In 2019, Costilla County, CO had a population of 3.75k people with a median age of 51.9 and a median household income of $30,965. Between 2018 and 2019 the population of Costilla County, CO grew from 3,687 to 3,745, a 1.57% increase and its median household income grew from $30,593 to $30,965, a 1.22% increase.
The 5 largest ethnic groups in Costilla County, CO are White (Hispanic) (55%), White (Non-Hispanic) (33.4%), Other (Hispanic) (3.87%), Two+ (Non-Hispanic) (2.7%), and American Indian & Alaska Native (Hispanic) (1.71%). 0% of the households in Costilla County, CO speak a non-English language at home as their primary language.
94.7% of the residents in Costilla County, CO are U.S. citizens.
In 2019, the median property value in Costilla County, CO was $113,000, and the homeownership rate was 69%. Most people in Costilla County, CO drove alone to work, and the average commute time was 21.4 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.