Census ACS Demographics

Population, income, poverty, education, housing, and commuting from the US Census ACS

CommunityDegradedNo sign-inGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Population, income, poverty, education, housing, and commuting from the US Census ACS

    How to connect

    How to connect Census ACS Demographics to Claude

    The server address to paste into Claude settings:

    https://mcp.olyport.com/census/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect Census ACS Demographics to ChatGPT

    The server address to paste into ChatGPT settings:

    https://mcp.olyport.com/census/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect Census ACS Demographics to Cursor

    The server address to paste into Cursor settings:

    https://mcp.olyport.com/census/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (5)

    Raw names from tools/list. Only developers need these.

    get_county_demographicsGet demographic data for counties: population, median age, race, Hispanic origin, income, and poverty. Returns one record per county with total population, median age, racial breakdown (White, Black, American Indian, Asian, Pacific Islander, Other, Two+), Hispanic/Latino percentage, median household income, and poverty rate. Args: state: Two-letter state abbreviation (e.g. 'WA', 'CA') or 2-digit FIPS code. county_fips: Three-digit county FIPS code (e.g. '033' for King County). Omit to get all counties in the state. year: ACS 5-year estimate year (default 2022). Data covers year-4 through year.
    get_county_economicsGet economic data for counties: income, poverty, home values, rent, and health insurance. Returns median household income, poverty rate, median home value, median gross rent, and health insurance coverage rates (insured vs uninsured). Args: state: Two-letter state abbreviation (e.g. 'WA', 'CA') or 2-digit FIPS code. county_fips: Three-digit county FIPS code (e.g. '033' for King County). Omit to get all counties in the state. year: ACS 5-year estimate year (default 2022).
    get_county_educationGet educational attainment for counties (population 25+). Returns counts and percentages for: less than high school, high school diploma/GED, some college/associate degree, bachelor's degree, and graduate/professional degree. Args: state: Two-letter state abbreviation (e.g. 'WA', 'CA') or 2-digit FIPS code. county_fips: Three-digit county FIPS code (e.g. '033' for King County). Omit to get all counties in the state. year: ACS 5-year estimate year (default 2022).
    get_tract_dataGet tract-level ACS data for any variables within a county. This is a flexible tool for querying any ACS 5-year estimate variables at the census tract level. Automatically batches requests if more than 50 variables are requested. Common variable examples: - B01001_001E: Total population - B19013_001E: Median household income - B17001_002E: Population below poverty level - B25077_001E: Median home value - B02001_002E-008E: Race breakdown Args: state: Two-letter state abbreviation (e.g. 'WA') or 2-digit FIPS code. county_fips: Three-digit county FIPS code (e.g. '033' for King County, WA). variables: Comma-separated ACS variable codes (e.g. 'B01001_001E,B19013_001E'). NAME is always included automatically. year: ACS 5-year estimate year (default 2022).
    get_commuting_dataGet means of transportation to work data for counties. Returns worker counts and percentages for: drove alone, carpooled, public transit, walked, bicycle, taxi/motorcycle/other, and worked from home. Args: state: Two-letter state abbreviation (e.g. 'WA', 'CA') or 2-digit FIPS code. county_fips: Three-digit county FIPS code (e.g. '033' for King County). Omit to get all counties in the state. year: ACS 5-year estimate year (default 2022).