US Census Bureau API
Provides access to US Census Bureau datasets including the American Community Survey, Decennial Census, and Economic Census. Developers can query demographic, economic, and housing statistics at geographic levels ranging from national to block group.
Screenshot:
Slug: census
Key:
Base URL:
Auth: none
Endpoints: 23
Reachable: yes
CORS: unknown
Tier: verified
Last checked: 2026-03-14 22:15:42.907442
Key:
census.gov:us-census-bureau-apiBase URL:
https://api.census.gov/data/Auth: none
Endpoints: 23
Reachable: yes
CORS: unknown
Tier: verified
Last checked: 2026-03-14 22:15:42.907442
Links
Documentation:
- Data Tools and Apps official
- Datasets official
- Developers official
SDKs:
- US Census Bureau Data API MCP (typescript) official
- CitySDK Node Wrapper (javascript)
- idbr - International Data Base R Interface (r)
- Census API Ruby Gem (ruby)
- Census Bureau CLI (ruby)
Topics
ANALYTICS, GOVERNMENT, KNOWLEDGE
Tutorials
- Getting Started with the US Census Bureau API — I can pull official US demographic, economic, and housing statistics from the Census Bureau API — population, income, poverty, employment — at any geographic level from national down to county or tract, across ACS, Decennial Census, and County Business Patterns surveys.
Skills
- Access us census statistics — I can pull official US demographic, economic, and housing statistics from the Census Bureau API — population, income, poverty, employment — at any geographic level from national down to county or tract, across ACS, Decennial Census, and County Business Patterns surveys.
Endpoints (23)
| Path | Summary | Response | Auth |
|---|---|---|---|
| List available datasets | application/json |
api_key | |
| 2020/dec/pl | 2020 Decennial Census Public Law 94-171 Data | application/json |
api_key |
| data.json | Get API catalog | application/json |
api_key |
| {vintage}/{dataset}.json | Query dataset data | application/json |
api_key |
| {vintage}/{dataset}/examples.json | Get API examples | application/json |
api_key |
| {vintage}/{dataset}/geography.json | List geography levels | application/json |
api_key |
| {vintage}/{dataset}/groups.json | List data groups | application/json |
api_key |
| {vintage}/{dataset}/variables.json | List dataset variables | application/json |
api_key |
| {year}/acs/acs1 | Query ACS 1-Year Estimates | text/plain |
api_key |
| {year}/acs/acs1/geography.json | ACS 1-Year Geography Levels | application/json |
api_key |
| {year}/acs/acs1/variables.json | ACS 1-Year Variables | application/json |
api_key |
| {year}/acs/acs5 | Query ACS 5-Year Estimates | application/json |
api_key |
| {year}/acs/acs5/geography.json | Get ACS 5-Year geography levels | ? |
— |
| {year}/acs/acs5/variables.json | Get ACS 5-Year variables | ? |
— |
| {year}/cbp | Query County Business Patterns | application/json |
api_key |
| {year}/dec/{dataset} | Query Decennial Census data | ? |
— |
| {year}/nonemp | Nonemployer Statistics | application/json |
api_key |
| {year}/popestimates | Query Population Estimates | ? |
— |
| {year}/{dataset} | Query census data for a specific dataset | application/json |
api_key |
| {year}/{dataset}/examples | Get example API calls for a dataset | ? |
api_key |
| {year}/{dataset}/geography | List geography levels for a dataset | application/json |
api_key |
| {year}/{dataset}/groups | List variable groups for a dataset | application/json |
api_key |
| {year}/{dataset}/variables | List variables for a dataset | application/json |
api_key |