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ZIP code demographics, before you mail.

Income, ages, homeowners, families, new movers, local businesses and every USPS carrier route — for all 34K U.S. ZIP codes, in one place.

ZIP code areas
33,791
ZIP code areas
data points
14M+
data points
figures per ZIP
400+
figures per ZIP
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Free
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National tools

Median household income by ZIP codeLook up any ZIP code's median income, see the highest- and lowest-income ZIP codes and every state's median.Population by ZIP codeResidents for any ZIP code, the most populous and densest ZIP codes, the fastest-growing, and a state table.

Data reports

Interactive ZIP code maps

ZIP code rankings

Explore the map

Every ZIP code in the state, shaded by the measure you pick. Hover for the number, click for the full profile.

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What each ZIP profile includes

Deep demographics

Age pyramid, income brackets, education, race and ethnicity, language, internet access, commuting — every figure with its margin of error.

Carrier routes, profiled

Each USPS route with homes, businesses and estimated income, homeowners, families and movers — select the best ones in a click.

Local businesses

Establishments by industry and size, and how common each business type is compared with the rest of the country.

Side-by-side compare

Line up to four ZIP codes and see which neighborhood fits your offer before you spend a cent on postage.

ZIP code data by state

Found the right neighborhood?

Pick its carrier routes on the map. We print and bundle your mailers for the Post Office, or handle the mailing for you with Full Service.

Open the route map

Sources & how to read these numbers

  • Demographics, income, housing, work and language: U.S. Census Bureau, American Community Survey (ACS) 5-year estimates, 2020–2024. Trend figures use the 2010–2014 and 2015–2019 releases.
  • Resident and housing counts labeled "2020 Census": 2020 Decennial Census, Demographic and Housing Characteristics file.
  • Businesses: U.S. Census Bureau, ZIP Codes Business Patterns 2023 (establishments with paid employees).
  • Carrier routes and mailbox counts: USPS EDDM route data stored by EDDM2GO. Route-level demographics are EDDM2GO estimates that spread Census block-group figures along each route's streets; they are modeled, not counted.

ZIP codes vs. ZCTAs. The Census Bureau reports on ZIP Code Tabulation Areas (ZCTAs), which approximate the areas USPS ZIP codes serve. They usually line up closely but not perfectly, and PO-box-only ZIP codes have no ZCTA.

Margins of error. ACS figures are survey estimates. Hover a figure to see its 90% margin of error; the colored dot rates reliability (green reliable, amber use with care, red rough guide). "Compare to" benchmarks are weighted averages of every ZCTA in the state or nation, except where an official published median is shown.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.