Alamosa County, CO — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
16,515
Male
8,153
49.4%
Female
8,362
50.6%
Median Age
33.1 yrs
Avg Household Size
2.4
Foreign Born
4.2%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher17.7%
High School or Higher33.0%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
3.1%
Disability
0.0%
Non-English Home
6.6%
Married
33.6%
Alamosa County, CO has a population of 16,515 according to 2023 Census Bureau estimates. The median age is 33.1 years. The largest racial or ethnic group is White at 61.6% of the population. 17.7% of residents hold a bachelor's degree or higher. 4.2% of residents are foreign-born.