County demographics · Maine

Cumberland County, Maine demographics

Cumberland County, Maine (county FIPS 23005) has a median household income of $95,677 (±$1,883) and a total population of 308,827 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. 38 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 population308,827none (controlled estimate)B01003
Median age42.2 years±0.2 yearsB01002
Households132,168±983B11001
Median household income (inflation-adjusted to the final ACS year)$95,677±$1,883B19013
Median value of owner-occupied housing units$451,200±$5,798B25077
Median gross rent$1,589±$36B25064
Owner-occupied share of occupied housing units69.8%none (derived from several estimates)B25003 (derived)
Renter-occupied share of occupied housing units30.2%none (derived from several estimates)B25003 (derived)
High school graduate or higher (age 25+)96.8%none (derived from several estimates)B15003 (derived)
Bachelor's degree or higher (age 25+)53%none (derived from several estimates)B15003 (derived)
Share of people below the poverty level7.4%none (derived from several estimates)B17001 (derived)
Unemployment rate (civilian labor force)3.1%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 FIPS23005
Land area836.2 sq mi
Water area381.26 sq mi
Population density369 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
040096.8%100%Yes
040386%100%Yes
040745.7%100%Yes
042605.6%100%Yes
040115.6%100%Yes
040625.6%100%Yes
040845.2%100%Yes
040394.9%100%Yes
040714.4%100%Yes
040324.2%100%Yes
040404%53.5%Yes
040293.9%100%Yes
040553.8%100%Yes
040153.7%100%Yes
041053.5%100%Yes
040692.7%100%Yes
040792.5%100%Yes
040972.5%100%Yes
040212.5%100%Yes
040912.4%100%Yes
040922.1%100%Yes
040851.8%100%Yes
040241.8%100%Yes
041071.8%100%Yes
040961.6%100%Yes
041061.5%100%Yes
041031.2%100%Yes
041020.7%100%Yes
040170.4%100%Yes
041100.3%100%Yes
041010.2%100%Yes
040660.2%100%Yes
040500.2%100%Yes
041090.1%100%Yes
041080.1%100%Yes
040030.1%100%Yes
040190.1%100%Yes
040570%100%Yes

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/23005" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_us_demographics {"county_fips":"23005"}

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