Costilla County, CO Demographics

The total population of Costilla County is estimated to be 3,534 with 1,775 males (50.23%) and 1,759 females (49.77%). There are 16 less females than males in Costilla County.
The median household income in Costilla County was $37,832 in 2021, which marked an a decrease of 1,524(3.87%) from $39,356 in 2020. This income is 50.71% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Costilla County sees its highest median household income among householders in the age group of 45 to 64 years old, at $50,700. Overall, the median household income for the county of Costilla County stands at $37,832.
In Costilla County, the median income for all workers aged 15 years and older, regardless of work hours, was $27,867 for males and $17,134 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $47,131 for males and $34,961 for females.
In Costilla County, the demographic landscape is diverse, spanning 4 distinct racial categories among households. Among these, White households have the highest median household income at $47,802, while Two or More Races households represent the opposite end with the lowest median household income of $29,480.
In 2022, the population of Costilla County was 3,603, a 0.22% increase year-by-year from 2021. Previously, in 2021, Costilla County's population was 3,595, an increase of 2.68% compared to a population of 3,501 in 2020.
The median age in Costilla County, CO is 51.7, as per 2021 ACS 5-Year Estimates. Of the total population, 11.83% were under the age of 15, 18.31% aged 15 to 29, 43.53% aged 30 to 64, 24.85% aged 65 to 84, and 1.48% were 85 years of age and older.
Racial distribution of Costilla County population: 69.75% are White, 4.69% are American Indian and Alaska Native, 1.14% are Asian, 3.55% are some other race and 20.87% are multiracial.