Alamosa County, Colorado
Located in Colorado, Alamosa County has a population of 16,581 residents and a median age of 33.2 years, making it the #2,065 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 17.2%. The median home value is $239,100, and the median household income is $55,397, which is 26% below the national median.
Demographics
Alamosa County has a population of 16,581, making it the #2,065 most populous county in the US. The median age is 33.2 years, which is 14.7% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Alamosa County is $55,397, ranking #2,444 out of 3,222 counties — 26.3% below the national median. The poverty rate is 17.2% and unemployment stands at 3.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Alamosa County is $239,100 (-15.2% vs national). Renters pay a median of $907/mo and the homeownership rate is 55.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Alamosa County, 32.4% of adults age 25+ hold a bachelor's degree or higher, which is 3.7% below the national average, ranking #601 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Alamosa County is 73.0 years. 21.2% of adults report poor or fair health and 10.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.6% of adults in Alamosa County smoke , 31.9% are obese , and 20.4% report excessive drinking. The drug overdose death rate is 58.8 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Alamosa County is 12.1 per 100,000 and the suicide rate is 34.5 per 100,000. Motor vehicle deaths occur at a rate of 18.2 per 100,000.
Suicide Rate Trend
Families & Children
26.0% of children in Alamosa County live in poverty . The teen birth rate is 16.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Alamosa County is 67.9%. The mean commute time is 17.4 min, which is 36.9% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Alamosa County voted Republican with a margin of 10.9%. The vote was 43.1% Dem / 54% Rep. Compared to 2020, the margin shifted 10.2 toward Republicans .
Vote Share Over Time
About Alamosa County, Colorado
Alamosa County, Colorado has a total population of 16,581, making it the 2,065th most populous county in the United States. The median age in Alamosa County is 33.2 years, which is 14.7% below the national median of 38.9 years.
The median household income in Alamosa County is $55,397, which ranks #2,444 of 3,222 counties nationwide. This is 26.3% below the national median of $75,149. The poverty rate is 17.2%, higher than the national rate of 12.6%. The unemployment rate stands at 3.7%.
The median home value in Alamosa County is $239,100, 15.2% below the national median. Renters in Alamosa County pay a median gross rent of $907 per month. The homeownership rate is 55.9%, compared to the national rate of 64.4%.
In Alamosa County, 32.4% of residents aged 25 and older hold a bachelor's degree or higher, 3.7% below the national average of 33.7%. Health insurance coverage stands at 94.2% of the population. The average commute time for workers is 17.4 min.
Alamosa County is a diverse community. The largest racial or ethnic group is Hispanic or Latino at 48.2% of the population, followed by White (non-Hispanic) (45.2%) and Two or More Races (2.4%).
All data for Alamosa County, Colorado comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.