Costilla CDP, New Mexico Demographics & Population 2026

Population Overview

Costilla CDP is a small community located in New Mexico. The total population is 498. It ranks as the 249th most populous out of 492 cities and towns in New Mexico.

Age Demographics

The median age in Costilla CDP is 35.3 years. This is 10% lower than the state median of 39.2 years. With 34.5% of the population under 18, Costilla CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The poverty rate stands at 8.2%. This is 55% lower than the state poverty rate of 18.1%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 6.0%. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 44% higher than the state average of 69.3%.

Race & Ethnicity

Costilla CDP has a predominantly Hispanic or Latino population, comprising 100.0% of all residents. The Hispanic or Latino population is significantly higher than the state average (100.0% vs 48.1%).

Education

0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 100% lower than the state rate of 30.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 100.0%.

Data Sources & Methodology

All demographic data for Costilla CDP, New Mexico is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against New Mexico state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 492 Census-designated places in New Mexico. For official data, visit data.census.gov.