Market insights · Colorado
Costilla County, CO: growth, migration and housing
Costilla County has 3,679 residents, up 5.1% since 2020 (+0.2% in the last year). In 2022–2023, 135 households moved in and 87 moved out (+48 net), bringing in a net $1.9M of income. Median household income is $36,861, the median home $184,700 and median rent $927 a month.
In Colorado: 13th of 64 counties for 5-year population growth · 1st of 60 counties for net in-migration (per resident) · 64th of 64 counties for median household income · 57th of 64 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Costilla County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Alamosa County, CO | 22 | $0.7M |
Where leavers went
Top counties by households leaving Costilla County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Alamosa County, CO | 21 | $0.6M |
BizyFi in Costilla County
No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse Colorado companies.
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.