NHGIS (IPUMS)
Historical census tables and boundary files from 1790 onward, harmonized.
| Publisher | Unknown |
|---|---|
| Coverage | Unspecified |
| Licence | LicenseRef-Custom
Publisher's wording: Custom (free with registration) |
| Themes | us-federal-census, open-data-sources |
| Update cadence | Not stated |
| Formats | Not stated |
| Status | active |
| Last verified | Not stated |
| Notes | Requires account; citation terms |
| Recipe | Not stated |
| Related | Not stated |
Access endpoints
| Type | URL | Layer or index | Auth | Notes |
|---|---|---|---|---|
http | https://www.nhgis.org/ | Not stated | none | Not stated |