Costilla is home to 450 people in New Mexico. 0% of adults hold a bachelor's degree, below the 36% national rate. Owners hold 100% of the housing stock. 0% of people here were born outside the United States. People stay put here: 100% were in the same home a year ago. This skews young, with a median age of 35.4.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Over time
Costilla, decade by decade
Costilla population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
2010
205
$22,242
$252,757
22.8%
39.2
2020
177
–
–
0.0%
48.5
2024
450
–
–
0.0%
0.0
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
