Unalaska Population

1880–2026

4,308

2026 projection

1.3% since 2020 (increase)

01K2K3K4K5K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Unalaska. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20264,308+20.05%
20254,306+431.01%
20244,263+511.21%
20234,212+611.47%
20224,151-531.26%
20214,204-501.18%
20204,254-90.21%
20194,26300.00%
20184,263-851.95%
20174,348+30.07%

Showing 10 of 30 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Unalaska is growing faster than Alaska, about as fast as Aleutians West Census Area, and slower than the U.S.

  • United States+3.1%
  • Unalaska+1.2%
  • Aleutians West Census Area+1.2%
  • Alaska+0.6%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Unalaska Demographics

40.4median age

Median age

Female41.8 yrs
Male39.7 yrs

Adults

4,157
234 seniors (65+) · 6% of adults3,923 other adults

Sex

Female 30.2% · 1,375Male 69.8% · 3,181

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 46 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

Unalaska Income

$131,964median household income

Median household income

$131,964

Half of households earn more, half earn less

Median earnings

$50,788

Typical yearly pay for a worker 25 or older.

Poverty rate

9.6%

About 1 in 10 residents

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

Unalaska Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%49%52%
Never married35%37%28%
Divorced9%9%10%
Widowed2%<1%4%
Separated5%4%6%

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