County Dossier

Flathead County

Montana | County

Population

110,695

Land Area

5,087.3 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
5,087.3 sq mi
Water Area
168.7 sq mi
Water Share
3.2%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

110,695

Density
21.8 / sq mi
Households
44,233
Housing Units
51,680
Median Age
42.2 years

Income & Economy

Median Household Income

$73,925

GDP

$7.21B

Real GDP Change+4.7%
Per Capita Income
$41,557
Personal Income
$8.46B
Personal Income Per Capita
$73,843

Classification

RUCC 5
Nonmetro

Urban population of 20,000 or more, not adjacent to a metro area

Relief

Min

2,840 ft

Mean

4,919 ft

Max

10,096 ft

Provenance

GEOID 30029 ANSI 01719611
Latitude 48.29542 Longitude -114.05206
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