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U.S. Demographics API

Demographic data for any U.S. location. One API call.

Turn an address, ZIP code, city, coordinates, or IP address into useful demographic data without managing datasets or complicated location infrastructure.

Get your API keyView documentation

No credit card · 1,000 free lookups · JSON responses

You send
10001ZIP
Speck Insights
GET /demographics
You get

Income · Education · Age · Population · Household + more

One API. Five ways to look up demographics.

Building demographic features shouldn’t mean maintaining multiple data sources or complicated location logic.

Send us whatever location data you already have. Speck Insights handles the lookup and returns standardized U.S. demographic data your application can use immediately.

Try a demographic lookup

GET https://speckinsights.netlify.app/api/v1/demographics?zip=10001
Authorization: Bearer API_KEY

Response

{
  "geo": {
    "postal_code": "10001",
    "city": "New York",
    "region_code": "NY"
  },
  "demographics": {
    "population": { "total": 24111 },
    "income": { "median_household": 101890 },
    "education": { "bachelors_or_higher_pct": 68.4 }
  }
}

  • Nationwide coverage

    Demographic data across 33,000+ ZIP codes and 85,000+ census tracts.

  • One simple request

    Send a location. Get standardized demographic JSON back.

  • Start building free

    Get 1,000 lookups for 7 days. No credit card required.

Stop piecing together demographic data.

You shouldn’t need separate services for IP geolocation, coordinates, addresses, ZIP codes, and census geography.

Speck Insights gives your application one consistent way to turn location into demographics.

  • IP address
  • Street address
  • ZIP code
  • City
  • Latitude / Longitude
Speck Insights APIGET /demographics
  • Income
  • Education
  • Age
  • Population
  • Housing
  • Households
  • Employment

From location to demographics in three steps.

  1. 01

    Send a location

    Use an address, ZIP, city, coordinates, or IP.

  2. 02

    We resolve the geography

    Speck Insights determines the appropriate U.S. geographic area.

  3. 03

    Get demographics back

    Receive standardized demographic data as JSON.

Build demographic features without building demographic infrastructure.

Use Speck Insights for audience enrichment, personalization, analytics, lead intelligence, market research, geographic segmentation, and more.

Your app already has location data. Put it to work.

Start turning the locations you already collect into useful demographic insights.

Get your API key

7-day trial · 1,000 lookups · No credit card