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Alamosa, Colorado Demographics & Population 2026

During the 2020–2024 ACS period, Alamosa, Colorado had a total population of 9,879, the 72nd largest city in Colorado, with a median household income of $49,688, which is 48% lower than the state average. The poverty rate is 15.9%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Key Takeaways

Alamosa Quick Facts

Population 9,879
Median Household Income $49,688
Median Home Value $225,200
Poverty Rate 15.9%
Unemployment Rate 4.4%
Median Age 31.2 years
Homeownership Rate 44.3%
Affordability Ratio 4.5x
Bachelor's Degree or Higher 33.3%
High School Graduation Rate 89.3%
Diversity Index 56/100
Population 9,879 72nd of 472
Median Income $49,688 bottom 20%
Poverty Rate 15.9% 27% higher than national
Median Home Value $225,200 bottom 30%

How Alamosa Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population9,8479,879+0.3%
Median household income$46,969$49,688+5.8%
Median home value$200,200$225,200+12.5%

How Alamosa Compares

Economy & Housing

Household Income Distribution

Under $25K 29.1%
$25K-$50K 22.4%
$50K-$100K 29.0%
$100K+ 19.4%
Detailed income brackets
Under $10K
9.2%
$10K-$15K
5.2%
$15K-$20K
11.6%
$20K-$25K
3.1%
$25K-$30K
3.8%
$30K-$35K
0.7%
$35K-$40K
1.6%
$40K-$45K
3.2%
$45K-$50K
13.2%
$50K-$60K
9.3%
$60K-$75K
10.6%
$75K-$100K
9.2%
$100K-$125K
8.1%
$125K-$150K
2.1%
$150K-$200K
7.0%
$200K+
2.2%

Employment

4.4% Unemployment Rate State: 4.6%|National: 5.2%
61.7% Labor Force Participation

Housing Overview

Owner 44.3%
Renter 55.7%
Affordability Index Moderate
4.5x home value to income ratio
Median gross rent $837/mo 20.2% of median household income annually

People & Demographics

Diversity Index

56out of 100
High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 52 | National average: 61

Education

Alamosa Rankings in Colorado

#72 Population of 472
#338 Median Income of 399
#230 Education of 472
#316 Home Value of 412

Other Cities in Alamosa County

CityPopulationMedian IncomePovertyHome Value
Alamosa East 1,298 $76,683 27.5% $264,400
Hooper 152 $46,875 23.0% $158,800

Cities Similar to Alamosa

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Delta9,421$45,250$283,30024.4%20.5%
Cortez8,976$54,247$272,90026.6%15.0%
Trinidad8,286$52,273$226,80018.8%21.1%
Craig8,991$72,636$278,50018.2%8.9%
Fort Morgan11,605$64,158$313,40018.2%16.0%

Population Overview

Alamosa is a small city located in Colorado, within Alamosa County. The total population is 9,879. It ranks as the 72nd most populous out of 472 Census-designated places in Colorado.

Age Demographics

The median age in Alamosa is 31.2 years. This is 17% lower than the state median of 37.7 years.

Economy, Income & Housing

The median household income in Alamosa is $49,688. This is 48% lower than the state median of $95,470. It is also 38% lower than the national median of $80,734. The poverty rate stands at 15.9%. This is 68% higher than the state poverty rate of 9.4%. The unemployment rate is 4.4%. This is 5% lower than the state rate of 4.6%. The median home value is $225,200. Housing costs are 58% lower than the state median of $539,400. The home-value-to-income ratio is 4.5x. 44.3% of occupied housing units are owner-occupied. This homeownership rate is 33% lower than the state average of 66.2%.

Race & Ethnicity

The largest racial or ethnic group in Alamosa is Hispanic or Latino, making up 54.0% of the population. White (non-Hispanic) residents account for 38.5%. The Black or African American population (1.7%) is well below the state average of 3.8%. The Hispanic or Latino population is significantly higher than the state average (54.0% vs 22.5%).

Education

33.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 27% lower than the state rate of 45.7%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.3%. Notably, 18.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Alamosa, Colorado is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Colorado state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 472 Census-designated places in Colorado. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

Free data download: Get all Colorado city and county demographics as CSV. Download Cities CSV | Download Counties CSV

Frequently Asked Questions

What is the population of Alamosa, Colorado?

Alamosa, Colorado has a population of 9,879 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Alamosa, CO?

The median household income in Alamosa is $49,688, which is 38% lower than the national median of $80,734.

What is the poverty rate in Alamosa, CO?

The poverty rate in Alamosa is 15.9%. This means approximately 1,441 residents live below the federal poverty line.

What is the racial makeup of Alamosa, Colorado?

Alamosa's population is 38.5% White, 1.7% Black, 54.0% Hispanic/Latino, and 1.7% Asian.

What is the median home value in Alamosa, CO?

The median home value in Alamosa is $225,200. The home-value-to-income ratio is 4.5x.

How educated is Alamosa, Colorado?

33.3% of adults (25+) in Alamosa hold a bachelor's degree or higher, and 18.0% hold a graduate or professional degree.