# Census Data API

**Canonical:** https://apis.io/apis/public-sector/census-data-api/  
**Provider:** Public Sector — https://apis.io/providers/public-sector/  
**Base URL:** https://api.census.gov/data  
**Documentation:** https://www.census.gov/data/developers.html

Census Data API is one of 21 APIs that [Public Sector](https://apis.io/providers/public-sector/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Federal, Census, Demographics, ACS, and Economic.

U.S. Census Bureau Data API at api.census.gov serving approximately 1,784 datasets across major survey programs — Decennial Census, American Community Survey (ACS 1-year and 5-year), Population Estimates Program (PEP), Current Population Survey (CPS), Survey of Income and Program Participation (SIPP), County Business Patterns (CBP), Economic Census, International Trade, and more. API key obtained via Census Bureau registration.

## Machine-readable artifacts (4)

- **Portal** — https://www.census.gov/data/developers.html
- **Catalog** — https://api.census.gov/data.html
- **Signup** — https://api.census.gov/data/key_signup.html
- **GitHubOrganization** — https://github.com/uscensusbureau

## Other Public Sector APIs (12)

- [api.data.gov](https://apis.io/apis/public-sector/apidatagov/)
- [data.gov (CKAN catalog)](https://apis.io/apis/public-sector/datagov-ckan-catalog/)
- [Regulations.gov API](https://apis.io/apis/public-sector/regulationsgov-api/)
- [Federal Register API](https://apis.io/apis/public-sector/federal-register-api/)
- [GovInfo API](https://apis.io/apis/public-sector/govinfo-api/)
- [SAM.gov APIs](https://apis.io/apis/public-sector/samgov-apis/)
- [USAspending.gov API](https://apis.io/apis/public-sector/usaspendinggov-api/)
- [Treasury Fiscal Data API](https://apis.io/apis/public-sector/treasury-fiscal-data-api/)
- [Congress.gov API](https://apis.io/apis/public-sector/congressgov-api/)
- [FEC openFEC API](https://apis.io/apis/public-sector/fec-openfec-api/)
- [api.weather.gov (NOAA NWS)](https://apis.io/apis/public-sector/apiweathergov-noaa-nws/)
- [api.nasa.gov](https://apis.io/apis/public-sector/apinasagov/)

## Tags

Federal, Census, Demographics, ACS, Economic

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/public-sector/census-data-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/public-sector/.