Alamosa is a city located in Alamosa County, Colorado. Alamosa has a 2025 population of 9,929 . It is also the county seat of Alamosa County . Alamosa is currently growing at a rate of 0.23% annually and its population has increased by 1.19% since the most recent census, which recorded a population of 9,812 in 2020.
The average household income in Alamosa is $65,321 with a poverty rate of 17.81%. The median age in Alamosa is 29.4 years: 29.6 years for males, and 29 years for females. For every 100 females there are 95.9 males.
Data after 2023 is projected based on recent change
The racial composition of Alamosa includes 55.83% White, 9.18% other race, 4.23% Native American, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White (55.83%)
Two or more races (26.96%)
Other race (9.18%)
Native American (4.23%)
Black or African American (2.57%)
Asian (0.61%)
Native Hawaiian or Pacific Islander (0.61%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,498 | 55.83% |
| Two or more races | 2,655 | 26.96% |
| Other race | 904 | 9.18% |
| Native American | 417 | 4.23% |
| Black or African American | 253 | 2.57% |
| Asian | 60 | 0.61% |
| Native Hawaiian or Pacific Islander | 60 | 0.61% |
Married
Widowed
Divorced
Separated
Never Married
Alamosa's average per capita income is $36,522. Household income levels show a median of $46,969. The poverty rate stands at 17.81%.
Name | Median | Mean |
|---|---|---|
| Married Families | $76,424 | - |
| Families | $58,625 | $83,843 |
| Households | $46,969 | $65,321 |
| Non Families | $24,688 | $44,024 |
Average Income
Median Household Income
Poverty Rate