County demographics · Washington

Snohomish County, Washington demographics

Snohomish County, Washington (county FIPS 53061) has a median household income of $111,246 (±$1,305) and a total population of 844,430 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. 30 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 population844,430none (controlled estimate)B01003
Median age38.6 years±0.2 yearsB01002
Households316,212±1,181B11001
Median household income (inflation-adjusted to the final ACS year)$111,246±$1,305B19013
Median value of owner-occupied housing units$696,000±$4,737B25077
Median gross rent$1,949±$22B25064
Owner-occupied share of occupied housing units68.2%none (derived from several estimates)B25003 (derived)
Renter-occupied share of occupied housing units31.8%none (derived from several estimates)B25003 (derived)
High school graduate or higher (age 25+)93.1%none (derived from several estimates)B15003 (derived)
Bachelor's degree or higher (age 25+)38.2%none (derived from several estimates)B15003 (derived)
Share of people below the poverty level8%none (derived from several estimates)B17001 (derived)
Unemployment rate (civilian labor force)4.5%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 FIPS53061
Land area2,086.52 sq mi
Water area109.24 sq mi
Population density405 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
9824118.6%92.1%Yes
9822315.2%100%Yes
9825211.4%100%Yes
982517.7%100%Yes
982905.6%100%Yes
982725.1%100%Yes
982923.6%98.9%Yes
982563.6%100%Yes
982942.6%100%Yes
982712.2%100%Yes
982581.8%100%Yes
982961.7%100%Yes
982010.9%100%Yes
980120.8%100%Yes
982080.7%100%Yes
982700.7%100%Yes
982030.6%100%Yes
980210.5%100%Yes
980360.5%100%Yes
980260.4%100%Yes
982750.4%100%Yes
982040.3%100%Yes
980370.3%100%Yes
980870.3%100%Yes
980200.2%100%Yes
980720.2%27.8%
980430.2%100%Yes
980770.1%14.7%
982820%1.5%
982070%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/53061" -H "X-API-Key: $OLYMPUS_API_KEY"
MCP tool call
get_us_demographics {"county_fips":"53061"}

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