County Dossier

Costilla County

Colorado | County

Population

3,607

Land Area

1,227.6 sq mi

Context

Nonmetro

Geography

County silhouette

Land Area
1,227.6 sq mi
Water Area
3.4 sq mi
Water Share
0.3%

Terrain Layer

Open the county terrain view inside the atlas flow.

Terra Firma

Population & Housing

Population

3,607

Density
2.9 / sq mi
Households
1,651
Housing Units
2,433
Median Age
50.5 years

Income & Economy

Median Household Income

$36,861

GDP

$125.76M

Real GDP Change+9.4%
Per Capita Income
$28,445
Personal Income
$159.73M
Personal Income Per Capita
$43,334

Classification

RUCC 9
Nonmetro

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

Relief

Min

7,385 ft

Mean

8,811 ft

Max

14,318 ft

Provenance

GEOID 08023 ANSI 00198127
Latitude 37.27755 Longitude -105.42894
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