Costilla County, Colorado
Costilla County: county in Colorado, United States.
About
Costilla County is a county located in the U.S. state of Colorado. As of the 2010 census, the population was 3,524 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 3,921 inhabitants. Its county seat is San Luis. The county was created 164 years ago in 1861.
Quick Facts about Costilla County
| Population | 3,921 (2020) |
| Country | United States of America |
| State | Colorado (United States) |
| Area | 3187 km2 |
| Water as percent of area | 0.3% |
| Land as percent of area | 99.7% |
| Latitude & Longitude | 37.2781,-105.4283 |
| Altitude | 8,035 feet / 2449 meters |
| Capital | San Luis |
| Establishment | November 01, 1861 |
| Time Zone | America/Denver |
| Local time | 05:16:57 (23rd September 2026) |
| Density | 1 Pop. per km² as of 2020 |
| Population growth | 11.27% (2010-2020) |
Geography
Costilla County is located at 37°16'41"N 105°25'42"W (37.2781000, -105.4282700). It has 6 neighbors: Conejos County, Huerfano County, Las Animas County, Colfax County, Taos County and Alamosa County.
Costilla County map
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Costilla County Populated Places
Cities, towns, neighborhoods & other populated places in Costilla County.
| City Name | Population | Title |
|---|
Official website of Costilla County
Official WebsiteDemographics
The population of Costilla County increased by 11.27% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 3,524 | - | census |
| 2011 | 3,641 | 3.32% | estimation process |
| 2012 | 3,603 | -1.04% | estimation process |
| 2013 | 3,541 | -1.72% | estimation process |
| 2014 | 3,561 | 0.56% | estimation process |
| 2015 | 3,576 | 0.42% | estimation process |
| 2016 | 3,693 | 3.27% | estimation process |
| 2017 | 3,756 | 1.71% | estimation process |
| 2018 | 3,812 | 1.49% | estimation process |
| 2019 | 3,887 | 1.97% | estimation process |
| 2020 | 3,921 | 0.87% | estimation process |
Colorado Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Denver | 735,538 | The twentieth most populous city in the United States and the center of the Denver metropolitan area. |
| Denver County | 735,538 | County in Colorado, United States, coterminous with the City of Denver |
| El Paso County | 728,310 | One of the 64 counties in the U. |
| Arapahoe County | 657,452 | County in Colorado, United States |
| Jefferson County | 583,283 | County in Colorado, United States |
| Adams County | 519,883 | County in Colorado, United States |
| Colorado Springs | 482,131 | The second most populous city in Colorado and the center of the Colorado Springs metropolitan area. |
| Aurora | 387,377 | The third most populous city in Colorado and the center of the Denver metropolitan area. |
| Douglas County | 360,750 | County in Colorado, United States |
| Larimer County | 360,428 | County in Colorado, United States |
| Weld County | 333,983 | County in Colorado, United States |
| Boulder County | 327,171 | County in Colorado, United States |
| Pueblo County | 169,823 | County in Colorado, United States |
| Fort Collins | 168,234 | The fifth most populous city in Colorado. |
| Lakewood | 157,429 | The fifth most populous city in Colorado. |
| Mesa County | 155,603 | County in Colorado, United States |