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.
In 2013, the median property value in Costilla, NM was $132,800, and the homeownership rate was 100%.