Market insights · Colorado
Alamosa County, CO: growth, migration and housing
Alamosa County has 16,688 residents, up 1.9% since 2020 (-0.0% in the last year). In 2022–2023, 582 households moved in and 537 moved out (+45 net), bringing in a net $2.9M of income. Median household income is $55,397, the median home $239,100 and median rent $907 a month.
In Colorado: 36th of 64 counties for 5-year population growth · 23rd of 60 counties for net in-migration (per resident) · 51st of 64 counties for median household income · 50th of 64 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Alamosa County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Rio Grande County, CO | 87 | $4.0M |
| Conejos County, CO | 51 | $2.3M |
| El Paso County, CO | 27 | $1.7M |
| Costilla County, CO | 21 | $0.6M |
| Denver County, CO | 21 | $1.3M |
Where leavers went
Top counties by households leaving Alamosa County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Rio Grande County, CO | 58 | $3.5M |
| Conejos County, CO | 48 | $1.9M |
| El Paso County, CO | 26 | $1.4M |
| Costilla County, CO | 22 | $0.7M |
BizyFi in Alamosa County
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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.