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Use U.S. Census Bureau with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. The U.S. Census Mega-Server: 14 capabilities providing comprehensive access to the ACS and County Business Patterns. Analyze population, age, race, income, poverty, ed

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

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Complete set · 14 capabilities

The complete U.S. Census Bureau capability set.

These are the exact actions your AI can choose when you ask it to work with U.S. Census Bureau.

Capability set01 / 04

01-04

4 capabilities in this set.

Part of 14 available through U.S. Census Bureau.

  1. 01

    Get business patterns

    From County Business Patterns (CBP). the definitive dataset for understanding local economic activity and business concentration. Get County Business Patterns. establishments, employees, and payroll by county

  2. 02

    Get demographics by county

    Get racial and ethnic demographics for all counties in a state

  3. 03

    Get education by state

    Education level is a key predictor of income, employment, and economic development. Get educational attainment for all states. bachelor's degree or higher

  4. 04

    Get housing by county

    Essential for real estate investors, developers, and market researchers. Get housing data for all counties in a state. values, rent, ownership

Capability set02 / 04

05-08

4 capabilities in this set.

Part of 14 available through U.S. Census Bureau.

  1. 05

    Get income by state

    Median income is the single most-used economic indicator from the Census. it determines federal funding, cost-of-living adjustments, and market opportunity analysis. Get median household income and poverty rates for all states

  2. 06

    Get population by state

    The ACS is the most comprehensive demographic survey in the U.S., sampling 3.5 million households annually. Get total population and median age for all 50 U.S. states + DC

  3. 07

    Query census

    Specify ACS variables (e.g., B01003_001E for population), geography (state:, county:, place:*), optional in-clause for filtering, year, and dataset path. See api.census.gov/data.html for all available datasets and variables. Run a custom Census API query. any dataset, variables, and geography

  4. 08

    Get housing by state

    Renter-occupied, and vacant units for every state. The #1 dataset for real estate market analysis. Get housing data for all states. home values, rent, ownership rates, vacancies

Capability set03 / 04

09-11

3 capabilities in this set.

Part of 14 available through U.S. Census Bureau.

  1. 09

    Get state profile

    One query = complete state intelligence. Get a comprehensive socioeconomic profile for a state. population, income, housing, demographics

  2. 10

    Get income by county

    Critical for real estate analysis, business site selection, and understanding economic disparity within a state. Get median household income and poverty for all counties in a state

  3. 11

    Get population by county

    Use state FIPS codes: CA=06, TX=48, NY=36, FL=12, IL=17, PA=42, OH=39, GA=13, NC=37, MI=26, etc. Get population and median age for all counties in a state

Capability set04 / 04

12-14

3 capabilities in this set.

Part of 14 available through U.S. Census Bureau.

  1. 12

    Get demographics by state

    Essential for diversity analysis, market segmentation, and policy research. Get racial and ethnic demographics for all states. White, Black, Asian, Hispanic, foreign-born

  2. 13

    Get population by city

    This includes incorporated cities and Census Designated Places. Get population for all cities/towns/places within a state

  3. 14

    Get county profile

    Get a comprehensive profile for a specific county

Observed, not estimated

886ms average. Fast in production.

U.S. Census Bureau is checked daily against the live service.

Daily averagePeak 1179ms
Aug 20Today
Fastest day
695ms
Slowest day
1179ms
14-day trend
Slowing+45%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 14 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of U.S. Census Bureau, so you can see the experience inside your AI.

It does not authenticate your account with U.S. Census Bureau. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

U.S. Census Bureau Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_4mnS5ZdaLpQiQCMtt6ryAg6zDomZhSPyboPx8Sig/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — U.S. Census Bureau capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "us-census-full-complete-demographic-economic-intelligence-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_4mnS5ZdaLpQiQCMtt6ryAg6zDomZhSPyboPx8Sig/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions U.S. Census Bureau owners ask.

  • 01

    Why does it require an API key?

    While the SEC and Treasury APIs do not require keys, the Census Bureau requires a free API key to handle the massive volume of hyper-local data (thousands of variables across millions of geographies). The key prevents rate limiting and ensures stable connections.

  • 02

    What geographies can I query?

    This MCP limits the main built-in endpoints to State, County and Place (cities). Detailed geometries like zip-codes, tracts, or congressional districts can be queried utilizing the query_census custom capability.

  • 03

    Is Puerto Rico included?

    Yes! Puerto Rico is treated internally as state FIPS code 72.

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