County Dossier

Mendocino County

California | County

Population

90,244

Land Area

3,506.8 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
3,506.8 sq mi
Water Area
371.3 sq mi
Water Share
9.6%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

90,244

Density
25.7 / sq mi
Households
34,842
Housing Units
41,675
Median Age
44.1 years

Income & Economy

Median Household Income

$68,092

GDP

$4.69B

Real GDP Change+3.1%
Per Capita Income
$38,760
Personal Income
$5.57B
Personal Income Per Capita
$62,438

Classification

RUCC 4
Nonmetro

Urban population of 20,000 or more, adjacent to a metro area

Relief

Min

-4 ft

Mean

1,619 ft

Max

6,937 ft

Provenance

GEOID 06045 ANSI 00277287
Latitude 39.43239 Longitude -123.44288
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