Costilla County, Colorado
Costilla County, Colorado · ZIP 81123, 81126, 81133
- Census data · ACS 2019-2023
- 3,686 (2024 estimate)Population
- 1,574Households
- $36,519Median household income
- $171,300Median home value
- 4Towns with a page
- 6ZIP codes
Costilla County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 3,663 |
| 2010 | 3,524 |
| 2020 | 3,499 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 08, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 08, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 08, retrieved November 14, 2026.
Median household income $36,519 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 08, retrieved November 14, 2026.
- Owner occupied
- 1,236 units
- Renter occupied
- 338 units
- Vacancy rate
- 34.9%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 08, retrieved November 14, 2026.
385 employees in 50 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 08, retrieved November 14, 2026.
| Measure | Costilla County | Colorado |
|---|---|---|
| Population | 3,571 | 5,810,774 |
| Median household income | $36,519 | $92,470 |
| Median age | 50.7 | 37.5 |
| Median home value | $171,300 | $502,200 |
| Bachelor’s degree or higher | 27.8% | 44.7% |
| Foreign-born residents | 6.3% | 9.6% |
| Owner-occupied homes | 78.5% | 66.3% |
| Mean commute to work | 27.5 minutes | 25.5 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 08, retrieved November 14, 2026.
Townships, towns and villages in Costilla County4 with a page · sort by any column
| Type | |||
|---|---|---|---|
| San Luis | Town | 628 | 0.57 sq mi |
| Fort Garland | Census designated place | 426 | 0.38 sq mi |
| Blanca | Town | 342 | 1.83 sq mi |
| San Acacio | Census designated place | 23 | 1.26 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 08 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Costilla County
No job is posted in Costilla County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Costilla County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Alamosa CountyPopulation 16,689 (2024 estimate)
- Colfax CountyPopulation 12,307 (2024 estimate)
- Conejos CountyPopulation 7,549 (2024 estimate)
- Huerfano CountyPopulation 6,988 (2024 estimate)
- Las Animas CountyPopulation 14,518 (2024 estimate)
- Taos CountyPopulation 34,482 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 08, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 35, retrieved November 14, 2026.