Alamosa County
Alamosa County has notably lower household income than the US average, with a median household income of $55,397. Population has held roughly steady since 2000. Median home value has roughly tripled since 2000, reaching $239,100. At a median age of 33.2, residents skew younger than the country as a whole. Households here earn about 42% less than the Colorado median.
Population & growth
PEP 2025 EST:16,688 residents (Census Bureau Vintage 2025, released March 2026)
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How many people live in Alamosa County, Colorado?
Alamosa County, Colorado has about 16,581 residents according to the 2024 American Community Survey.
What is the median household income in Alamosa County, Colorado?
The typical household in Alamosa County, Colorado earns about $55,397 a year. Half of households make more than that, and half make less.
Is Alamosa County, Colorado expensive?
In Alamosa County, Colorado, the median home is worth about $239,100, and the typical rent is about $907 a month.
How educated are people in Alamosa County, Colorado?
About 32.4% of adults age 25 and over in Alamosa County, Colorado hold a bachelor's degree or higher.
What is the poverty rate in Alamosa County, Colorado?
About 17.2% of people in Alamosa County, Colorado live below the federal poverty line.
Has Alamosa County, Colorado grown since 1990?
Yes, Alamosa County, Colorado has grown since 1990. The population has added about 2,964 residents, a change of about 22 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024