Costilla Population

2011–2026

566

2026 projection

536% since 2020 (increase)

010020030040050060020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for Costilla. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026566+234.24%
2025543+454.42%
2023498+8420.29%
2022414+266.70%
2021388+299335.96%
202089-33.26%
20199200.00%
201892-1211.54%
2017104+4782.46%
201657-46.56%

Showing 10 of 15 years.

Costilla Demographics

35.4median age

Median age

Female15.8 yrs
Male0 yrs

Adults

328
35 seniors · 11%293 other adults

Sex

Female 50.7% · 228Male 49.3% · 222

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 5 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Costilla Marital Status

78% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married78%84%69%
Never married13%0%31%
Divorced0%0%0%
Widowed9%16%0%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201