Costilla County, Colorado

county in Colorado, United States

Costilla County is a county in the state of Colorado in the United States. As of the 2020 census, 3,499 people lived there.[1] The county seat is San Luis.

Costilla County
The Costilla County Courthouse in San Luis
The Costilla County Courthouse in San Luis
Map of Colorado highlighting Costilla County
Location within the U.S. state of Colorado
Map of the United States highlighting Colorado
Colorado's location within the U.S.
Coordinates: 37°17′N 105°26′W / 37.28°N 105.43°W / 37.28; -105.43
Country United States
State Colorado
FoundedNovember 1, 1861
SeatSan Luis
Largest townSan Luis
Area
 • Total1,230 sq mi (3,200 km2)
 • Land1,227 sq mi (3,180 km2)
 • Water3.4 sq mi (9 km2)  0.3%
Population
 • Estimate 
(2020)
3,499[1]
 • Density2.9/sq mi (1.1/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district3rd
Websitecostillacounty.colorado.gov
Colorado's first permanent settlement

It is the ninth-least populous county in Colorado.

References change

  1. 1.0 1.1 "U.S. Census Bureau QuickFacts". U.S. Census Bureau. Retrieved September 4, 2021.