| Field Name | Type | Width | Decimal Places | Description |
|---|---|---|---|---|
| CENSUS_ID | String | 5 | -- | Unique ID (Primary Key) for each blockgroup. Consists of a tract number + blockgroup number |
| AREA | Number | 12 | 6 | Area of the polygon (blockgroup) in sq. meters |
| PERIMETER | Number | 12 | 6 | Perimeter of the polygon (blockgroup) in meters |
| COUNTY_NAM | String | 20 | -- | Country Name |
| TRACT | String | 8 | -- | Census tract number |
| BLCKGR | String | 1 | -- | Census blockgroup number |
| AREALAND | Number | 9 | 0 | land area (units unknown - hectares?) |
| AREAWAT | Number | 9 | 0 | water area (units unknown - hectares?) |
| HU100 | Number | 9 | 0 | Total number of households in the blockgroupTD> |
| POP100 | Number | 9 | 0 | Total population in the blockgroup |
| PERC_WHITE | Number | 4 | 2 | Percent of the population that reported itself being 'Caucasian' |
| PERC_BLACK | Number | 4 | 2 | Percent of the population that reported itself being 'Black' |
| PERC_NATAM | Number | 4 | 2 | Percent of the population that reported itself being 'Native American' |
| PERC_ASIAN | Number | 4 | 2 | Percent of the population that reported itself being of 'Asian' origin |
| PERC_OTHER | Number | 4 | 2 | Percent of the population that reported itself being 'Other' |
| PERC_VACAN | Number | 4 | 1 | Percent of housing that is vacant |
| NO_EMPLYD | Number | 9 | 0 | Number of employed of the population age 16 and up |
| NO_UNEMPL | Number | 9 | 0 | Number of unemployed of the population age 16 and up |
| NO_NOTLABO | Number | 9 | 0 | Number of persons age 16 and up not in the the labor force |
| AGE16UP | Number | 9 | 0 | Number of persons age 16 and up. |
| UNEM_RATE | Number | 4 | 1 | Unemployment rate (NO_UNEMPL / NO_EMPLYD) as a percent |
| PROPVALUE | Number | 9 | 0 | Mean property value for the blockgroup |
| ZOWNER_OCC | Number | 4 | 1 | Percent of housing that is Owner-Occupied (as opposed to Rented or Leased) |
| PERCAPINCM | Number | 9 | 0 | Mean income per person (per capita) |
| NO_BELOWPO | Number | 9 | 0 | Number of persons considered 'below poverty' (arbitrary level set at poverty rate of family of four) |
| PERC_BELPO | Number | 4 | 1 | Percent of persons in the blockgroup 'below poverty' (arbitrary level set at poverty rate of family of four) |
| MEDHOUSINC | Number | 9 | 0 | Median household income |
| AGE0_11 | Number | 9 | 0 | Number of persons age 0 to 11 |
| AGE12_17 | Number | 9 | 0 | Number of persons age 12 to 17 |
| AGE18_21 | Number | 9 | 0 | Number of persons age 18 to 21 |
| AGE22_29 | Number | 9 | 0 | Number of persons age 22 to 29 |
| AGE30_39 | Number | 9 | 0 | Number of persons age 30 to 39 |
| AGE40_49 | Number | 9 | 0 | Number of persons age 40 to 49 |
| AGE50_64 | Number | 9 | 0 | Number of persons age 50 to 64 |
| AGE65_79 | Number | 9 | 0 | Number of persons age 65 to 79 |
| AGE80_ | Number | 9 | 0 | Number of persons age 80 and up |