County Dossier

Snohomish County

Washington | County

Population

844,430

Land Area

2,086.5 sq mi

Context

Metro

Geography

County silhouette

Land Area
2,086.5 sq mi
Water Area
109.2 sq mi
Water Share
5.0%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

844,430

Density
404.7 / sq mi
Households
316,212
Housing Units
331,530
Median Age
38.6 years

Income & Economy

Median Household Income

$111,246

GDP

$61.97B

Real GDP Change+1.8%
Per Capita Income
$54,628
Personal Income
$67.79B
Personal Income Per Capita
$78,447

Classification

RUCC 1
Metro

Counties in metro areas of 1 million population or more

Relief

Min

-1 ft

Mean

2,056 ft

Max

10,542 ft

Provenance

GEOID 53061 ANSI 01529222
Latitude 48.05491 Longitude -121.76504
Canonical 2025 Gazetteer ACS ACS 2020-2024 5-year BEA BEA county 2024 release (2026-02-05) BLS BLS LAUS 2024 annual average USDA USDA RUCC 2023 USGS USGS 3DEP published as of 2026-03-23