West Yellowstone Population

2010–2026

1,172

2026 projection

7.9% since 2020 (decrease)

02004006008001K1.2K1.4K201020122014201620182020202220242026

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 West Yellowstone. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,172-191.60%
20251,191-141.16%
20241,205-171.39%
20231,222-272.16%
20221,249-302.35%
20211,279+70.55%
20201,272-100.78%
20191,282-131.00%
20181,295-80.61%
20171,303+50.39%

Showing 10 of 17 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

West Yellowstone has a population change lower than Gallatin County, Montana, and the U.S.

  • Gallatin County+7.6%
  • Montana+5.3%
  • United States+3.1%
  • West Yellowstone−6.8%

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.

West Yellowstone Demographics

31.4median age

Median age

Female33 yrs
Male30 yrs

Adults

1,063
128 seniors (65+) · 12% of adults935 other adults

Sex

Female 50.5% · 745Male 49.5% · 729

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 15 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

West Yellowstone Income

$58,839median household income

Median household income

$58,839

Half of households earn more, half earn less

Median earnings

$35,114

Typical yearly pay for a worker 25 or older.

Poverty rate

13.1%

About 1 in 8 residents

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

West Yellowstone Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%51%48%
Never married40%41%40%
Divorced11%8%13%
Widowed0%0%0%
Separated0%0%0%

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