| Geographic Availability | United States |
| Geographic Tiling | Country |
| Update Frequency | Quarterly |
| Datum | WGS84 (SRID = 4326) |
| Character Set | UTF-8 |
Available formats
| GIS | Esri Shapefile (SHP) |
| MapInfo Extended TAB (XTAB) | |
| Database-loadable | MySQL |
| PostGIS | |
| WKT | |
| Non-spatial Tables | CSV |
| DBF | |
| MySQL | |
| Postgres |