Manhattan Population

2010–2026

2,069

2026 projection

0.8% since 2020 (decrease)

05001K1.5K2K2.5K201020122014201620182020202220242026

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 Manhattan. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,069-40.19%
20252,073-10.05%
20242,074-221.05%
20232,096-200.95%
20222,116-40.19%
20212,120+341.63%
20202,086+221.07%
20192,064+995.04%
20181,965+723.80%
20171,893+804.41%

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

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

  • Gallatin County+7.6%
  • Montana+5.3%
  • United States+3.1%
  • Manhattan−0.8%

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.

Manhattan Demographics

38.6median age

Median age

Female39.3 yrs
Male38.2 yrs

Adults

1,627
360 seniors (65+) · 22% of adults1,267 other adults

Sex

Female 45% · 1,029Male 55% · 1,259

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 23 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

Manhattan Income

$87,865median household income

Median household income

$87,865

Half of households earn more, half earn less

Median earnings

$60,375

Typical yearly pay for a worker 25 or older.

Poverty rate

2.9%

About 1 in 34 residents

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

Manhattan Marital Status

61% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married61%59%63%
Never married20%21%18%
Divorced13%15%11%
Widowed7%6%8%
Separated0%0%0%

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