County Dossier

Marathon County

Wisconsin | County

Population

138,403

Land Area

1,545.2 sq mi

Context

Metro

Geography

County silhouette

Land Area
1,545.2 sq mi
Water Area
31.1 sq mi
Water Share
2.0%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

138,403

Density
89.6 / sq mi
Households
57,866
Housing Units
60,910
Median Age
41.3 years

Income & Economy

Median Household Income

$77,884

GDP

$11.88B

Real GDP Change+2.5%
Per Capita Income
$41,413
Personal Income
$9.12B
Personal Income Per Capita
$65,589

Classification

RUCC 3
Metro

Counties in metro areas of fewer than 250,000 population

Relief

Min

1,010 ft

Mean

1,301 ft

Max

1,918 ft

Provenance

GEOID 55073 ANSI 01581096
Latitude 44.89804 Longitude -89.75782
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