# United States Census Bureau

**Canonical:** https://apis.io/providers/united-states-census-bureau/  
**Website:** https://www.census.gov/  
**APIs profiled:** 9

The U.S. Census Bureau is the nation's leading provider of quality data about its people and economy. The Census Bureau has been rolling out datasets via APIs, providing programmatic access to demographic, economic, housing, and social statistics. The Census Data API supports queries across datasets including the American Community Survey, Decennial Census, Population Estimates, County Business Patterns, Economic Census, and International Trade, with data available at national, state, county, tract, and block group geographic levels.

## Kin Score — 33.2 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 33.2).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 59.4 |
| Governance | 54.5 |
| Contract Governance | 54.5 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 14.3 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Government & Public Sector**: 20.4 (matched via tags).

## Agent readiness — 24.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (9)

- **TIGERweb GeoServices REST API** — The TIGERweb GeoServices REST API provides access to Census Bureau geographic data including boundaries for states, counties, census tracts, block groups, and other geographic e...
- **Census Geocoding Services** — The Census Geocoding Services convert addresses to geographic coordinates and census geography identifiers. Supports both single-address lookups and batch geocoding for large ad...
- **United States Census Bureau American Community Survey API** — ACS demographic, economic, social, and housing characteristics
- **United States Census Bureau County Business Patterns API** — Business establishment and employment data
- **United States Census Bureau Decennial Census API** — Decennial Census population and housing counts
- **United States Census Bureau Economic Census API** — Economic activity by industry and geography
- **United States Census Bureau Geographic Services API** — Geocoding and geographic boundary services
- **United States Census Bureau International API** — International demographic and trade data
- **United States Census Bureau Population Estimates API** — Annual population estimates and projections

## Agentic access (1)

- **United States Census Bureau Agentic Access** — 10 operations

## Security (1)

- **United States Census Bureau Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **United States Census Bureau Plans Pricing**

## Tags

Demographics, Federal-Government, Open Data, Statistics, Economics, Population

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/united-states-census-bureau/). Scores are computed from the provider's own public artifacts under a published rubric.