US Department of Commerce, Bureau of the Census
20020417
onemap_prod.SDEADMIN.cenbg00
vector digital data
Washington, DC
US Department of Commerce, Bureau of the Census
NCCGIA distributes this dataset
The NC Center for Geographic Information and Analysis, using TIGER/line
2000 files and statistics from the US Department of Commerce/Bureau of
the Census, developed the GIS 2000 Census Block Group data sets for each of
the 100 counties in North Carolina and combined the data into one
statewide coverage.
This file was developed to enable a user to see the geographic
component from the 2000 Census.
>system filename : bg2000 file size = 7.78 mb
>
>Revisions and updates to this layer include:
>1) filename: bg2000 The 4/17/02 version was the first verion
>of this data.
REQUIRED: The year (and optionally month, or month and day) for which the data set corresponds to the ground.
20020310
20020417
Data creation and finalization dates
None planned
-84.422155
-75.355690
36.617235
33.641965
None
2000 Census
Block Group
William S. Powell, The North Carolina
GAZETTEER, A Dictionary of Tar Heel Places,(Chapel Hill: University of
North Carolina Press, August 1984.
North Carolina
None
Acknowledgement of products derived form this data set should cite the
following: The source of the 2000 Census Block Group data is the North
Carolina Corporate Geographic Database. Earlier versions of this data set
may exist. The user must be sure to use the appropriate data set for the
time period of interest. While efforts have been made to ensure that
these data are accurate and reliable within the state of the art, CGIA
cannot assume liability for any damages or misrepresentation caused by
any inaccuracies in the data or as a result of changes to the data caused
by system transfers.
US Department of Commerce, Bureau of the Census
Mailing and physical address
Bureau of the Census
Washington
D.C.
20233
U.S.A.
(301) 763-4100
(301) 763-4794
8:00am to 5:00pm
>U.S. Bureau of the Census
>Washington, DC 20233
>
>NCCGIA Director
>Database Administration, Zsolt Nagy
>Database Management, Ken Shaffer
>NC Center for Geographic Information and Analysis
>Governor's Office
>Office of State Planning
>State of North Carolina
>301 North Wilmington Street, Suite 700
>Raleigh, NC 27601-2825
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.722
The digital files from the Census Bureau were converted into
ARC/INFO files. Selected attributes were joined to the TIGER
files from the Census 2000 Summary File 1. Each county coverage
was checked against county census block grid maps on the Census
Bureau website (www.census.gov Maps=>Map Products=>Census2000 block
maps=>st37_northcarolina).
The ARC/INFO files have been "cleaned" and "built" to ensure complete topology.
Linework for the 2000 Census files is based predominantly on the Census
Bureau's TIGER Line files. The coverages were dissolved on the block group
item and selected attributes joined from the 2000 Summary File 1 by NC CGIA.
With the exception of dissolving polygons and projecting data,
no other positional changes were made by NC CGIA.
US Department of Commerce, Bureau of the Census
2000
Geographic Base File/Dual Independent Map Encoding
diagram
Washington, D.C.
US Department of Commerce, Bureau of the Census
100000
stable-base material
2000
Year of census data
None
Digital descriptions of street, other map
features, address ranges, and ZIP codes (DIME files)
NC Center for Geographic Information and Analysis
2000
ARC/INFO TIGER/Line county files
Map
Raleigh, NC
NC Center for Geographic Information and Analysis
100000
Digital Line Graphs
2000
Digital ARC/INFO TIGER/Line files
None
Conversion of Census digital files to an ARC/INFO platform
2000 Census TIGER line files were downloaded from the Census
Bureau website (www.census.gov). Note: Selected variables by
blockfrom Census 2000 Summary File 1 were furnished by the NC
State Data Center.
2000
NC Center for Geographic Information and Analysis
Mailing and physical address
301 North Wilmington Street, Suite 700
Raleigh
North Carolina
27601-2825
USA
(919) 733-2090
(919) 715-0720
dataq@cgia.state.nc.us
8:30-5:30
Email or phone contact preferred.
2000 TIGER/Line files from the Census Bureau website were converted to
an ARC/INFO coverage format using TIGERTOOL. A unique id was generated
for each block, block group, tract and place based on the following:
Block: [State FIPS (37)] [County FIPS 1 to 199 odd, 3-digit]
[Tract, 6-digit] [Block, 4-digit]
Block Group: [State FIPS (37)] [County FIPS 1 to 199 odd, 3-digit]
[Tract, 6-digit] [Block group, 1-digit]
Tract: [State FIPS (37)] [County FIPS 1 to 199 odd, 3-digit] [Tract,
6-digit]
Place [5-digit place id, unique to North Carolina]
To create block group coverages, the TIGER Line files were then dissolved
on block group, cleaned and projected from NAD27 feet to NAD83 meters
projection. The individual county block group coverages were then appended
to create a statewide block group coverage. Selected attributes were
joined to the statewide coverage from Census 2000 Summary File 1.
2000
NC Center for Geographic Information and Analysis
Mailing and physical address
301 North Wilmington Street, Suite 700
Raleigh
North Carolina
27601-2825
USA
(919) 733-2090
(919) 715-0720
dataq@cgia.state.nc.us
8:30-5:30
Email or phone contact preferred.
Metadata imported.
C:\DOCUME~1\david\LOCALS~1\Temp\xml442.tmp
Dataset copied.
Server=cgiatdb; Service=5151; Database=onemap_test; User=sdeadmin; Version=sde.DEFAULT
None
Vector
G-polygon
5277
GT-polygon composed of chains
5278
Node, planar graph
9612
Area point
5277
State Plane Coordinate System 1983
3200
34.333333
36.166667
-79.000000
33.750000
609601.220000
0.000000
coordinate pair
0.001890
0.001890
meters
North American Datum of 1983
Geodetic Reference System 80
6378137.000000
298.257222
1.000000
Explicit elevation coordinate included with horizontal coordinates
onemap_prod.SDEADMIN.cenbg00
2000 Census Block Groups processed from TIGER/Line
files from the US Department of Commerce, Bureau of
the Census; statistics from Census 2000 Summary File 1
Bureau of the Census
OBJECTID
Internal feature number.
ESRI
Sequential unique whole numbers that are automatically generated.
SHAPE.len
HH_SIZE_OW
Average Household Size (Owner-Occupied Units)
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
PERIMETER
Total perimeter in coverage units
Software computed
91.537
2,170,780.000
linear meters
0.001
None planned
BGROUP
Block group 12-digit code
US Department of Commerce, Bureau of the Census
Block group varies.
None planned
TOTAL_POP
Total population within block group
US Department of Commerce, Bureau of the Census
Total population varies.
None planned
POP_1RACE
Population comprised of single race
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
WHITE_ONLY
White population within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
BLACK_ONLY
Black or African American population within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
AMIND_ONLY
American Indian or Alaska Native population within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
ASIAN_ONLY
Asian population within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
HWPAC_ONLY
Native Hawaiian/Other Pacific Islander population within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
OTHER_ONLY
Population of other races within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
POP_2RACES
Population comprised of multiple races
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
HISPANIC
Hispanic/Latino population within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
MALE
Male population within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
FEMALE
Female population within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P_UNDER_5
Block group population under age 5
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P5_TO_9
Block group population in age range 5 to 9
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P10_TO_14
Block group population in age range 10 to 14
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P15_TO_19
Block group population in age range 15 to 19
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P20_TO_24
Block group population in age range 20 to 24
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P25_TO_34
Block group population in age range 25 to 34
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P35_TO_44
Block group population in age range 35 to 44
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P45_TO_54
Block group population in age range 45 to 54
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P55_TO_59
Block group population in age range 55 to 59
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P60_TO_64
Block group population in age range 60 to 64
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P65_TO_69
Block group population in age range 65 to 69
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P70_TO_74
Block group population in age range 70 to 74
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P75_TO_84
Block group population in age range 75 to 84
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P75_OLDER
Block group population 75 and older
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P85_OLDER
Block group population 85 and older
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
MEDIAN_AGE
Median Age (years)
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P18_OLDER
Block group population 18 and older
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P21_OLDER
Block group population 21 and older
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
P65_OLDER
Block group population 65 and older
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
M75_OLDER
Block group population 75 and older (males only)
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
F75_OLDER
Block group population 75 and older (females only)
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
HOUSEHOLDS
Number of Households
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
HH_SIZE
Average person per household within block group
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
SINGLE_HH
Single Person Households
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
FAMILY_HH
Family Households
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
MAR_COUPLE
Married Couple Family
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
W_OWN_CHLD
Married couple family with their own child/children
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
M_SNGL_PAR
Male Single Parent Household
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
F_SNGL_PAR
Female Single Parent Household
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
NONFAM_HH
Non-Family Household
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
HH_W_CHILD
Household with Child/Children Under 18
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
HH_W_ELDER
Household with Ederly Member (65 and older)
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
SNGL_ELDER
Single Elderly (65 and older) Household
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
POP_IN_HH
Population in Households
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
FAM_HHLDER
Family Householder (household head)
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
SPOUSE
Spouse of householder
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
CHILD
Child in family household
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
GROUP_QTRS
Population in Group Quarters
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
GQ_INST
Population in Institutionalized Group Quarters
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
GQ_NONINST
Population in Non-Institutionalized Group Quarters
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
FAM_SIZE
Average Family Size
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
HOUSING_U
Total Housing Units
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
OCCUPIED
Occupied Housing Units
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
VACANT
Vacant Housing Units
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
OWNER_U
Owner-Occupied Housing Units
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
RENTER_U
Renter-Occupied Housing Units
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
VACANT_SEA
Vacant (For Seasonal, Recreational, or Occasional Use)
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
HH_SIZE_RE
Average Household Size (Renter-Occupied Units)
US Department of Commerce, Bureau of the Census
Figure varies.
None planned
DENSITY
Population Density (Persons Per Square Mile)
GIS generated
Density varies.
None planned
ACRES
Area of Block Group in Acres
GIS generated
Acres varies.
None planned
CENBG00_
CENBG00_ID
SQMILES
SHAPE
Feature geometry.
ESRI
Coordinates defining the features.
SHAPE.area
onemap_prod.SDEADMIN.cenbg00.AREA
2000 Census Block Groups
2000 Census Block Groups processed from TIGER/Line
files from the US Department of Commerce, Bureau of
the Census
Bureau of the Census
FNODE#
From-node identifier of linear feature
Software computed
1
9,612
None planned
TNODE#
To-node identifier of linear feature
Software computed
1
9,612
None planned
LPOLY#
Internal number of poly to left of arc
Software computed
1
5,278
None planned
RPOLY#
Internal number of poly to right of arc
Software computed
1
5,278
None planned
LENGTH
Length of arc in coverage units
Software computed
1.223
149,105.578
meters
10.0
As needed
BG2000#
Internal feature number
Software computed
1
14,886
As needed
BG2000-ID
Internal identification number
User defined
1
14,886
As needed
An arc and polygon coverage depicting Census block groups.
The attributes table summaries follow:
>BG2000.PAT Polygon Attribute Table
>COL ITEM NAME WIDTH OUTPUT TYPE DEC DESCRIPTION
> 1 AREA 4 12 F 3 Total area in meters
> 5 PERIMETER 4 12 F 3 Total perimeter in meters
> 9 BG2000# 4 5 B - Poly internal id number
> 13 BG2000-ID 4 5 B - Poly user id number
> 17 BGROUP 13 13 C - Block group 12-digit code
> 30 TOTAL_POP 4 5 B - Total population
> 34 POP_1RACE 4 5 B - Population comprised of single race
> 38 WHITE_ONLY 4 5 B - White population
> 42 BLACK_ONLY 4 4 B - Black/African American population
> 46 AMIND_ONLY 4 4 B - American Indian/Alaska native population
> 50 ASIAN_ONLY 4 4 B - Asian population
> 54 HWPAC_ONLY 4 3 B - Hawaiian/Other Pacific population
> 58 OTHER_ONLY 4 4 B - Population of other races
> 62 POP_2RACES 4 4 B - Population comprised of multiple races
> 66 HISPANIC 4 4 B - Hispanic/Latino population
> 70 MALE 4 5 B - Male population
> 74 FEMALE 4 4 B - Female population
> 78 P_UNDER_5 4 4 B - Population under age 5
> 82 P5_TO_9 4 3 B - Population in age range 5 to 9
> 86 P10_TO_14 4 3 B - Population in age range 10 to 14
> 90 P15_TO_19 4 3 B - Population in age range 15 to 19
> 94 P20_TO_24 4 4 B - Population in age range 20 to 24
> 98 P25_TO_34 4 4 B - Population in age range 25 to 34
>102 P35_TO_44 4 4 B - Population in age range 35 to 44
>106 P45_TO_54 4 3 B - Population in age range 45 to 54
>110 P55_TO_59 4 3 B - Population in age range 55 to 59
>114 P60_TO_64 4 3 B - Population in age range 60 to 64
>118 P65_TO_69 4 3 B - Population in age range 65 to 69
>122 P70_TO_74 4 3 B - Population in age range 70 to 74
>126 P75_TO_84 4 3 B - Population in age range 75 to 84
>130 P75_OLDER 4 3 B - Population 75 and older
>134 P85_OLDER 4 3 B - Population 85 and older
>138 MEDIAN_AGE 4 5 F 2 Median Age (years)
>142 P18_OLDER 4 4 B - Population 18 and older
>146 P21_OLDER 4 4 B - Population 21 and older
>150 P65_OLDER 4 4 B - Population 65 and older
>154 M75_OLDER 4 3 B - Population 75 and older (males)
>158 F75_OLDER 4 3 B - Population 75 and older (females)
>162 HOUSEHOLDS 4 4 B - Number of Households
>166 HH_SIZE 4 4 F 2 Average persons per household
>170 SINGLE_HH 4 4 B - Single Person Households
>174 FAMILY_HH 4 4 B - Family Households
>178 MAR_COUPLE 4 4 B - Married Couple Family
>182 W_OWN_CHLD 4 4 B - Married couple family with their own
> child/children
>186 M_SNGL_PAR 4 2 B - Male Single Parent Household
>190 F_SNGL_PAR 4 3 B - Female Single Parent Household
>194 NONFAM_HH 4 4 B - Non-Family Household
>198 HH_W_CHILD 4 4 B - Household with Child/Children Under 18
>202 HH_W_ELDER 4 3 B - Household with Ederly Member
> (65 and older)
>206 SNGL_ELDER 4 3 B - Single Elderly (65 and older)
> Household
>210 POP_IN_HH 4 5 B - Population in Households
>214 FAM_HHLDER 4 4 B - Family Householder (household head)
>218 SPOUSE 4 4 B - Spouse of householder
>222 CHILD 4 4 B - Child in family household
>226 GROUP_QTRS 4 5 B - Population of Group Quarters
>230 GQ_INST 4 4 B - Population of Institutionized
> Group Quarters
>234 GQ_NONINST 4 5 B - Population of Non-Institutionized
> Group Quarters
>238 FAM_SIZE 4 4 F 2 Average Family Size
>242 HOUSING_U 4 4 B - Total Housing Units
>246 OCCUPIED 4 4 B - Occupied Housing Units
>250 VACANT 4 4 B - Vacant Housing Units
>254 OWNER_U 4 4 B - Owner-Occupied Housing Units
>258 RENTER_U 4 4 B - Renter-Occupied Housing Units
>262 VACANT_SEA 4 4 B - Vacant (For Seasonal, Recreational, or
> Occasional Use)
>266 HH_SIZE_OW 4 4 F 2 Average Household Size (Owner-Occupied
> Unit)
>270 HH_SIZE_RE 4 4 F 2 Average Household Size (Renter-Occupied
> Unit)
>274 ACRES 4 10 F 3 Area of Block Group in Acres
>278 SQMILES 4 10 F 3 Area of Block Group in Square Miles
>282 DENSITY 4 12 F 3 Population Density (Persons Per Square
> Mile)
>BG2000.AAT Arc Attribute Table
>COL ITEM NAME WIDTH OUTPUT TYPE DEC DESCRIPTION
> 1 FNODE# 4 5 B - From-node id of
> linear feature
> 5 TNODE# 4 5 B - To-node id of linear
> feature
> 9 LPOLY# 4 5 B - Left-side polygon
> id of linear feature
> 13 RPOLY# 4 5 B - Right-side polygon
> id of linear feature
> 17 LENGTH 4 12 F 3 Length of linear
> feature in meters
> 21 BG2000# 4 5 B - Internal id number
> 25 BG2000-ID 4 5 B - Internal id number
None
NC Center for Geographic Information and Analysis
Production Services
Mailing and physical address
301 North Wilmington Street, Suite 700
Raleigh
North Carolina
27601-2825
USA
(919) 733-2090
(919) 715-0725
dataq@cgia.state.nc.us
8:30AM - 5:30PM
Phone and electronic mail preferred
For current price information use a web browser:
COST INFORMATION - http://www.cgia.state.nc.us/cost.html
2000 Census Block Groups
NCCGIA is charged with the development and maintenance
of the State's corporate geographic database and, in
cooperation with other mapping organizations, is
committed to offering its users accurate, useful, and
current information about the state. Although every
effort has been made to ensure the accuracy of information,
errors and conditions originating from physical sources
used to develop the corporate database may be reflected
in the data supplied. The client must be aware of data
conditions and bear responsibility for the appropriate
use of the information with respect to possible errors,
original map scale, collection methodology, currency
of data, and other conditions specific to certain data.
NCCGIA does not support secondary distribution of this
data. The use of trade names or commercial products does
not constitute their endorsement by the NCCGIA or North
Carolina State Government.
FOR DIGITAL OR NON-DIGITAL DATA, Contact NC CGIA,
Data Distribution to order data, Phone 919.733.2090 ...
Email dataq@cgia.state.nc.us ... Web Page order form
http://www.cgia.state.nc.us/cgdb/index.html
For current FORMAT/MEDIA INFORMATION, use a web browser:
http://www.cgia.state.nc.us/cost.html or phone NC CGIA
Data Distribution 919.733.2090
Data creation and large data analysis jobs contact
Database Administration P:(919)733-2090. All data
is available through standard ordering procedures on a
cost-recovery basis.
All formats supplied are created using ARC/INFO GIS software
on Unix workstations. Other formats are available.
Format compatibility is the user's responsibility.
For more information on formats and media, use a web browser:
FORMAT/MEDIA INFORMATION - http://www.cgia.state.nc.us/cost.html
2000
Present
20061002
NC Center for Geographic Information and Analysis
REQUIRED: The person responsible for the metadata information.
Database Management
Mailing and physical address
301 North Wilmington Street, Suite 700
Raleigh
North Carolina
27601-2825
USA
(919) 733-2090
(919) 715-0725
dataq@cgia.state.nc.us
8:30AM - 5:30PM
Phone and electronic mail preferred
FGDC Content Standards for Digital Geospatial Metadata
FGDC-STD-001-1998
local time
None
This metadata file is to accompany the data set identified
and received from NCCGIA. NCCGIA does not support secondary
distribution. If this data file was received from anyone
besides NCCGIA, this metadata file and the data set it
describes may contain discrepancies.
http://www.esri.com/metadata/esriprof80.html
ESRI Metadata Profile