In 2021, Costilla County, CO had a population of 3.52k people with a median age of 51.7 and a median household income of $35,000. Between 2020 and 2021 the population of Costilla County, CO declined from 3,810 to 3,517, a −7.69% decrease and its median household income grew from $34,732 to $35,000, a 0.772% increase.
The 5 largest ethnic groups in Costilla County, CO are White (Hispanic) (36.6%), White (Non-Hispanic) (33.1%), Two+ (Hispanic) (16.2%), Two+ (Non-Hispanic) (4.69%), and American Indian & Alaska Native (Hispanic) (4.15%).
None of the households in Costilla County, CO reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
96.6% of the residents in Costilla County, CO are U.S. citizens.
In 2021, the median property value in Costilla County, CO was $123,000, and the homeownership rate was 75.4%.
Most people in Costilla County, CO drove alone to work, and the average commute time was 25.3 minutes. The average car ownership in Costilla County, CO was 2 cars per household.
Costilla County, CO borders Alamosa County, CO, Conejos County, CO, Huerfano County, CO, Las Animas County, CO, Colfax County, NM, and Taos County, NM.