County Dossier

Martin County

Minnesota | County

Population

19,780

Land Area

712.3 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
712.3 sq mi
Water Area
17.2 sq mi
Water Share
2.4%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

19,780

Density
27.8 / sq mi
Households
8,839
Housing Units
9,729
Median Age
43.9 years

Income & Economy

Median Household Income

$59,507

GDP

$1.43B

Real GDP Change+12.4%
Per Capita Income
$37,332
Personal Income
$1.27B
Personal Income Per Capita
$65,079

Classification

RUCC 6
Nonmetro

Urban population of 5,000 to 20,000, adjacent to a metro area

Provenance

GEOID 27091 ANSI 00659490
Latitude 43.67717 Longitude -94.54710
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