County demographics · Pennsylvania

Allegheny County, Pennsylvania demographics

Allegheny County, Pennsylvania (county FIPS 42003) has a median household income of $78,548 (±$994) and a total population of 1,238,177 in the American Community Survey 5-year estimates for 2020-2024.

Margins of error are at the 90% confidence level. The figures describe 2020-2024 (dollars in 2024 dollars), not the present. 119 ZIP Code Tabulation Areas overlap the county (Census 2020).

Data as of Oct 22, 2026 (Olympus publication) · Markdown version

  • Values are ACS 5-year estimates for 2020-2024 (dollars in 2024 dollars), not current figures.
  • ZCTA-county overlaps come from the Census 2020 relationship file and use 2020 counties, by land area; Connecticut uses its legacy counties, not the planning regions in ACS 2022+.

ACS 5-year estimates, 2020-2024

Census American Community Survey 5-year estimates for 2020-2024, with 90% margins of error as published by the Census Bureau.

MetricEstimateMargin of error (90%)ACS table
Total population1,238,177none (controlled estimate)B01003
Median age40.6 years±0.2 yearsB01002
Households545,802±1,976B11001
Median household income (inflation-adjusted to the final ACS year)$78,548±$994B19013
Median value of owner-occupied housing units$227,600±$1,801B25077
Median gross rent$1,153±$10B25064
Owner-occupied share of occupied housing units65.2%none (derived from several estimates)B25003 (derived)
Renter-occupied share of occupied housing units34.8%none (derived from several estimates)B25003 (derived)
High school graduate or higher (age 25+)95.7%none (derived from several estimates)B15003 (derived)
Bachelor's degree or higher (age 25+)45.8%none (derived from several estimates)B15003 (derived)
Share of people below the poverty level11.5%none (derived from several estimates)B17001 (derived)
Unemployment rate (civilian labor force)5%none (derived from several estimates)B23025 (derived)
  • Dollar values are in 2024 inflation-adjusted dollars.
  • Percentages' margins of error are in percentage points (pp).

Geography

MeasureValue
County FIPS42003
Land area729.95 sq mi
Water area14.3 sq mi
Population density1,696 per sq mi of land
Geography vintage2024 Gazetteer

ZIP codes (ZCTAs) in this county

ZCTAs that overlap the county in the Census 2020 ZCTA to county relationship file, largest share of the county's land first.

ZCTAShare of county landShare of ZCTA landCounty is the ZCTA's primary county
151085.4%100%Yes
150445.2%96.8%Yes
151434.6%90.1%Yes
150844%100%Yes
150373.6%100%Yes
152373.3%100%Yes
150903%100%Yes
151012.9%100%Yes
151262.7%99.1%Yes
151462.7%99.7%Yes
150572.6%34.6%
150712.5%100%Yes
150242.4%100%Yes
150252.3%100%Yes
152392.2%100%Yes
152382.2%100%Yes
152352%100%Yes
151221.8%100%Yes
150651.7%100%Yes
152051.6%100%Yes
150631.5%39.4%
151361.5%100%Yes
152361.5%100%Yes
150171.4%86.7%Yes
151021.4%99.1%Yes
152411.4%99%Yes
151471.4%100%Yes
150681.4%22%
151061.4%100%Yes
150261.1%23.5%
151371.1%100%Yes
151161.1%100%Yes
151291%97.9%Yes
151310.9%94.7%Yes
152210.9%100%Yes
152150.8%100%Yes
152270.8%100%Yes
152120.8%100%Yes
151320.8%100%Yes
151350.7%100%Yes
152090.7%100%Yes
152060.7%100%Yes
152200.6%100%Yes
152100.6%100%Yes
151200.6%100%Yes
152140.6%100%Yes
152070.6%100%Yes
152020.6%100%Yes
160460.6%19.6%
150050.6%26.7%
152290.6%100%Yes
152170.5%100%Yes
153320.5%13.1%
152160.5%100%Yes
151330.5%100%Yes
152280.4%100%Yes
152340.4%100%Yes
152430.4%100%Yes
152260.3%100%Yes
151040.3%100%Yes
152130.3%100%Yes
150200.3%100%Yes
152180.3%100%Yes
151420.3%100%Yes
152190.3%100%Yes
150460.3%100%Yes
151440.3%100%Yes
152010.3%100%Yes
151390.3%100%Yes
151450.3%100%Yes
152040.3%100%Yes
152230.3%100%Yes
151100.2%100%Yes
152110.2%100%Yes
150450.2%100%Yes
152250.2%100%Yes
152240.2%100%Yes
150300.2%100%Yes
152080.2%100%Yes
152030.2%100%Yes
150860.2%75.2%Yes
152330.2%100%Yes
150760.2%100%Yes
151480.2%100%Yes
150340.1%100%Yes
150560.1%100%Yes
150150.1%100%Yes
152220.1%100%Yes
160590.1%3.4%
156420.1%1.9%
151120.1%100%Yes
150180.1%100%Yes
152320.1%100%Yes
150640.1%100%Yes
151400.1%100%Yes
150490.1%100%Yes
150140.1%100%Yes
150830.1%12.5%
150510.1%100%Yes
150350.1%100%Yes
150070.1%100%Yes
152750%100%Yes
150310%100%Yes
150030%5.1%
153210%14.1%
150890%1.5%
150820%100%Yes
150060%100%Yes
150850%2.4%
150280%100%Yes
150470%100%Yes
150880%100%Yes
152820%100%Yes
152600%100%Yes
151230%100%Yes
156680%0.2%
152900%100%Yes
150750%100%Yes
160550%0%

Sources

Get this data from the API

The same figures, with provenance on every value, from the API (free API key, reference) or from an AI agent through the Olympus MCP server.

curl
curl -s "https://api.olympus.new-odyssey.com/v1/geo-demographics/counties/42003" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_us_demographics {"county_fips":"42003"}

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