Alamosa Flag

Alamosa

County:
Alamosa County
County Seat:
Yes
Area (mi²):
7.965
State:
Colorado

Alamosa is a city located in Alamosa County, Colorado. Alamosa has a 2026 population of 9,953. It is also the county seat of Alamosa County. Alamosa is currently growing at a rate of 0.24% annually and its population has increased by 1.44% since the most recent census, which recorded a population of 9,812 in 2020.

The median household income in Alamosa is $49,688 with a poverty rate of 15.87%. The median age in Alamosa is 31.2 years: 30.1 years for males, and 32 years for females. For every 100 females there are 101.1 males.

10K
Total Population
1,250
Density (mi²)
24 0.24%
Growth

Alamosa Population

Alamosa Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20269,953240.24%
20259,929230.23%
20249,906190.19%
20239,887390.4%
20229,848-50-0.51%
20219,898860.88%
20209,812-5-0.05%
20199,38620.02%
20189,384890.96%
20179,295490.53%
20169,246710.77%
20159,175490.54%
20149,126620.68%
20139,064440.49%
20129,020-1-0.01%
20119,0211141.28%
20108,9071271.45%
20007,9603815.03%
19907,57974910.97%
19806,830-155-2.22%
19706,98578012.57%
19606,20585115.89%
19505,354-259-4.61%
19405,6135069.91%
19305,1071,93661.05%
19203,1711585.24%
19103,01300%

Median Age

Overall: 31.2 years
Female: 32 years
Male: 30.1 years

Alamosa Adults

There are 7,334 adults, (1,309 of whom are seniors) in Alamosa.

Sex Ratio

Female: 4,913 (49.7%)
Male: 4,966 (50.3%)

Demographics

The racial composition of Alamosa includes 54.47% White, 9.3% other race, 4.15% Native American, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5,38154.47%
Two or more races2,80828.42%
Other race9199.3%
Native American4104.15%
Black or African American1841.86%
Asian1641.66%
Native Hawaiian or Pacific Islander130.13%
Race
Population ↓
Percentage (of total)
Two or more races2,59026.22%
White1,57815.97%
Other race8878.98%
Native American2622.65%
Black or African American170.17%
Race
Population ↓
Percentage (of total)
White3,80338.5%
Two or more races2182.21%
Black or African American1671.69%
Asian1641.66%
Native American1481.5%
Other race320.32%
Native Hawaiian or Pacific Islander130.13%

Alamosa Marital Status

Economics and Income Statistics

Alamosa 's average per capita income is $42,151. Household income levels show a median of $49,688. The poverty rate stands at 15.87%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$88,750-
Families$62,095$87,394
Households$49,688$64,953
Non Families$25,664$40,759

$42,151

Average Income

$49,688

Median Household Income

15.87%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)