County Dossier

Big Horn County

Montana | County

Population

12,891

Land Area

4,997.8 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
4,997.8 sq mi
Water Area
18.3 sq mi
Water Share
0.4%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

12,891

Density
2.6 / sq mi
Households
3,827
Housing Units
4,527
Median Age
31.9 years

Income & Economy

Median Household Income

$58,750

GDP

$1.29B

Real GDP Change+4.8%
Per Capita Income
$22,861
Personal Income
$510.79M
Personal Income Per Capita
$39,918

Classification

RUCC 8
Nonmetro

Urban population of fewer than 5,000, adjacent to a metro area

Relief

Min

2,740 ft

Mean

3,970 ft

Max

9,258 ft

Provenance

GEOID 30003 ANSI 01716521
Latitude 45.40787 Longitude -107.51816
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