County Dossier

Seward County

Kansas | County

Population

21,486

Land Area

639.7 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
639.7 sq mi
Water Area
0.8 sq mi
Water Share
0.1%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

21,486

Density
33.6 / sq mi
Households
7,257
Housing Units
8,308
Median Age
31.0 years

Income & Economy

Median Household Income

$63,827

GDP

$1.72B

Real GDP Change+2.0%
Per Capita Income
$30,152
Personal Income
$1.03B
Personal Income Per Capita
$48,578

Classification

RUCC 7
Nonmetro

Urban population of 5,000 to 20,000, not adjacent to a metro area

Relief

Min

2,430 ft

Mean

2,810 ft

Max

2,990 ft

Provenance

GEOID 20175 ANSI 00485050
Latitude 37.18096 Longitude -100.85526
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