County Dossier

Marshall County

Kentucky | County

Population

31,743

Land Area

302.1 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
302.1 sq mi
Water Area
38.0 sq mi
Water Share
11.2%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

31,743

Density
105.1 / sq mi
Households
13,209
Housing Units
16,572
Median Age
45.1 years

Income & Economy

Median Household Income

$65,831

GDP

$1.76B

Real GDP Change-1.5%
Per Capita Income
$34,734
Personal Income
$1.78B
Personal Income Per Capita
$56,075

Classification

RUCC 8
Nonmetro

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

Relief

Min

302 ft

Mean

416 ft

Max

553 ft

Provenance

GEOID 21157 ANSI 00516922
Latitude 36.88202 Longitude -88.33275
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