County Dossier

Madison County

Idaho | County

Population

54,618

Land Area

469.3 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
469.3 sq mi
Water Area
4.1 sq mi
Water Share
0.9%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

54,618

Density
116.4 / sq mi
Households
13,326
Housing Units
15,145
Median Age
21.4 years

Income & Economy

Median Household Income

$60,160

GDP

$2.01B

Real GDP Change+0.4%
Per Capita Income
$23,958
Personal Income
$1.64B
Personal Income Per Capita
$29,485

Classification

RUCC 4
Nonmetro

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

Relief

Min

4,798 ft

Mean

5,551 ft

Max

8,082 ft

Provenance

GEOID 16065 ANSI 00394803
Latitude 43.78861 Longitude -111.65699
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