Great Falls Population

1890–2026

60,117

2026 projection

0.5% since 2020 (decrease)

010K20K30K40K50K60K70K1900192019401960198020002020

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 Great Falls. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202660,117-910.15%
202560,208+1180.20%
202460,090-1470.24%
202360,237-2200.36%
202260,457+400.07%
202160,417-250.04%
202060,442+940.16%
201960,348-1140.19%
201860,462+530.09%
201760,409+1660.28%

Showing 10 of 29 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

Great Falls has a population change lower than Cascade County, Montana, and the U.S.

  • Montana+5.3%
  • United States+3.1%
  • Cascade County+0.7%
  • Great Falls−0.4%

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.

Great Falls Demographics

39median age

Median age

Female41.2 yrs
Male37.4 yrs

Adults

47,432
12,067 seniors (65+) · 25% of adults35,365 other adults

Sex

Female 50.3% · 30,323Male 49.7% · 30,006

Population by age

MaleFemale85+ years, male: 62885+ years, female: 79780–84 years, male: 47180–84 years, female: 1,03175–79 years, male: 1,11775–79 years, female: 1,43370–74 years, male: 1,36070–74 years, female: 1,47065–69 years, male: 1,71065–69 years, female: 2,05060–64 years, male: 1,98560–64 years, female: 2,11055–59 years, male: 1,56755–59 years, female: 1,69950–54 years, male: 1,66550–54 years, female: 1,61745–49 years, male: 1,50945–49 years, female: 1,43340–44 years, male: 2,10740–44 years, female: 1,90035–39 years, male: 1,88135–39 years, female: 1,88730–34 years, male: 2,30630–34 years, female: 2,06925–29 years, male: 2,50025–29 years, female: 2,16120–24 years, male: 2,07220–24 years, female: 1,79515–19 years, male: 1,75615–19 years, female: 1,57310–14 years, male: 1,96910–14 years, female: 2,0365–9 years, male: 1,9735–9 years, female: 1,6700–4 years, male: 1,4300–4 years, female: 1,59285+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 603 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

Great Falls Income

$63,373median household income

Median household income

$63,373

Half of households earn more, half earn less

Median earnings

$45,000

Typical yearly pay for a worker 25 or older.

Poverty rate

14.5%

About 1 in 7 residents

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

Great Falls Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%47%46%
Never married30%35%26%
Divorced15%14%16%
Widowed7%4%10%
Separated2%2%2%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources