Alamosa Population

1880–2026

9,871

2026 projection

0.6% since 2020 (increase)

02K4K6K8K10K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Alamosa. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20269,871+220.22%
20259,849-540.55%
20249,903+40.04%
20239,899+320.32%
20229,867-310.31%
20219,898+850.87%
20209,813+4274.55%
20199,386+20.02%
20189,384+890.96%
20179,295+490.53%

Showing 10 of 30 years.

Alamosa Demographics

31.2median age

Median age

Female32 yrs
Male30.1 yrs

Adults

7,334
1,309 seniors · 18%6,025 other adults

Sex

Female 49.7% · 4,913Male 50.3% · 4,966

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 99 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Alamosa Income

$49,688median household income

Median household income

$49,688

Half of households earn more, half earn less

Median earnings

$42,151

Typical yearly pay for a worker 25 or older.

Poverty rate

15.9%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Alamosa Marital Status

32% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married32%29%35%
Never married45%52%36%
Divorced16%12%20%
Widowed6%3%9%
Separated2%3%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201