In 2023, Costilla, NM had a population of 498 people with a median age of 25.4 and a median household income of $N/A. Between 2022 and 2023 the population of Costilla, NM grew from 414 to 498, a 20.3% increase and its median household income stayed from $N/A to $N/A, a NaNN% change.
The 5 largest ethnic groups in Costilla, NM are Other (Hispanic) (91.8%), Two Races Including Other (Hispanic) (8.23%), White (Non-Hispanic) (0%), Black or African American (Non-Hispanic) (0%), and American Indian & Alaska Native (Non-Hispanic) (0%).
None of the households in Costilla, NM 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.
100% of the residents in Costilla, NM are U.S. citizens.