County · Montana
Cascade County, Montana
Cascade County, Montana. Cascade County had 85,029 residents in 2025 by the Census Bureau's estimate, up 0.7% since 2020, slower than Montana (+5.6%). It holds 24 places (4 cities, villages and boroughs and 20 census-designated) and 25 census tracts. GEOID 30013.
Cascade County is the county of the Great Falls, MT metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
85,029
Census Bureau estimate (no margin published)
2020 Census count: 84,414 · ACS 2020-2024: 84,606
Median household income
$67,690
±$2,796 (90% margin)
Montana: $72,509
Median home value
$265,300
±$7,950 (90% margin)
Montana: $375,800
Median gross rent
$939
±$28 (90% margin)
Montana: $1,081
How many people live in Cascade County, and is it growing?
The 2020 Census counted 84,414 residents in Cascade County. The Census Bureau estimates 85,029 for July 1, 2025, up 0.7% since 2020, slower than Montana (+5.6%). The 2020-2024 American Community Survey puts the population at 84,606 over 2,698 square miles of land.
| Measure | Cascade County | Montana | Change since 2015-2019 |
|---|---|---|---|
| Total population | 84,606 | 1,116,875 | +2,981 |
| Households | 35,615±397 | 458,859 | +1,286 |
| Average household size | 2.30±0.03 | 2.37 | no clear change |
| Housing units | 39,497±67 | 528,419 | +640 |
Cascade County's population since 2000
From 80,357 in 2000 to 85,029 in 2025: up 5.8%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Cascade County?
Cascade County holds 24 places: 4 cities, villages and boroughs (incorporated places) and 20 census-designated places. The largest is Great Falls with 60,208 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Great Falls | 60,442 | $63,373 |
|---|---|---|
| Malmstrom AFB | 4,131 | $64,833 |
| Sun Prairie | 1,615 | $55,688 |
| Black Eagle | 949 | $69,545 |
| Vaughn | 737 | $56,250 |
| Ulm | 723 | $102,708 |
| Cascade | 600 | $50,938 |
| Belt | 510 | $73,929 |
| SimmsGEOID 3068575 | 361 | $42,292 |
| Fort ShawGEOID 3028600 | 256 | $56,413 |
| Gibson FlatsGEOID 3030625 | 203 | not published |
| TracyGEOID 3074650 | 196 | not published |
| Sand CouleeGEOID 3065950 | 179 | not published |
| StockettGEOID 3071350 | 157 | $70,938 |
| Pleasant Valley ColonyGEOID 3058310 | 130 | not published |
| Cascade ColonyGEOID 3012783 | 115 | not published |
| Sun RiverGEOID 3072475 | 95 | $57,589 |
| HardyGEOID 3034300 | 88 | $80,417 |
| Big Stone ColonyGEOID 3006440 | 78 | not published |
| NeihartGEOID 3053200 | 43 | $83,000 |
| RicevilleGEOID 3062245 | 36 | not published |
| CentervilleGEOID 3013375 | 32 | not published |
| MonarchGEOID 3050950 | 26 | not published |
| Fair Haven ColonyGEOID 3025245 | 0 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Cascade County?
The median resident of Cascade County is 38.6 years old; 22.3% are under 18 and 19.6% are 65 or older. The largest group is non-Hispanic white residents at 82.4%, then non-Hispanic residents of two or more races at 6.0%. 2.3% of residents were born outside the United States.
| Measure | Cascade County | Montana | Change since 2015-2019 |
|---|---|---|---|
| Median age | 38.6±0.5 | 40.4 | no clear change |
| Under 18 years | 22.3% | 21.0% | – |
| 65 years and over | 19.6%±0.1 pts | 20.1% | – |
| Hispanic or Latino (any race) | 5.3% | 4.6% | +0.8 pts |
| White alone, not Hispanic | 82.4%±0.6 pts | 83.6% | −2.8 pts |
| Black or African American alone, not Hispanic | 1.3%±0.2 pts | 0.4% | no clear change |
| Asian alone, not Hispanic | 1.0%±0.2 pts | 0.8% | +0.3 pts |
| American Indian and Alaska Native alone, not Hispanic | 3.3%±0.4 pts | 5.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 6.0%±0.7 pts | 4.7% | – |
| Some other race alone, not Hispanic | 0.8%±0.4 pts | 0.5% | – |
| Born outside the United States | 2.3%±0.5 pts | 2.3% | no clear change |
| Speak a language other than English at home (age 5+) | 4.1%±0.6 pts | 4.2% | – |
| Civilian veterans (age 18+) | 12.6%±0.9 pts | 9.0% | – |
| With a disability | 16.3%±1.1 pts | 14.5% | – |
| No health insurance coverage | 7.0%±0.9 pts | 8.6% | no clear change |
| High school graduate or higher (age 25+) | 94.4%±0.6 pts | 94.6% | – |
| Bachelor's degree or higher (age 25+) | 28.4%±1.4 pts | 35.2% | +2.7 pts |
| Graduate or professional degree (age 25+) | 10.5%±1.0 pts | 12.0% | – |
| Moved from another state in the past year | 4.0%±1.0 pts | 3.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Cascade County earn?
Half of Cascade County's 35,615 households earn less than $67,690 a year (±$2,796), against $72,509 in Montana. In 2015-2019 the median was $61,428 in 2024 dollars, so it rose by $6,262 after inflation. 13.1% of residents live below the poverty line.
| Measure | Cascade County | Montana | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $67,690±$2,796 | $72,509 | +$6,262 |
| Mean household income | $89,832±$4,018 | $98,908 | – |
| Per capita income | $38,795±$1,587 | $41,711 | no clear change |
| People below the poverty line | 13.1%±1.6 pts | 11.5% | no clear change |
| Children under 18 below the poverty line | 16.4%±3.8 pts | 12.7% | no clear change |
| Households receiving SNAP | 10.4%±1.2 pts | 7.8% | – |
| Households with a broadband subscription | 89.2%±1.2 pts | 89.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Cascade County?
Owners occupy 68.5% of Cascade County's occupied homes and renters 31.5%. The median owner-occupied home is valued at $265,300 by its owner (±$7,950). The median renter pays $939 a month including utilities, and 32.3% of renters pay 35% or more of their income on rent.
| Measure | Cascade County | Montana | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $265,300±$7,950 | $375,800 | +$43,898 |
| Median gross rent | $939±$28 | $1,081 | no clear change |
| Renters paying 35% or more of income on rent | 32.3%±3.5 pts | 35.5% | −6.7 pts |
| Median monthly owner costs, with a mortgage | $1,538±$45 | $1,798 | – |
| Owner-occupied homes | 68.5%±1.5 pts | 69.2% | +4.1 pts |
| Housing units | 39,497±67 | 528,419 | +640 |
| Homeowner vacancy rate | 0.6%±0.3 pts | 0.9% | – |
| Rental vacancy rate | 3.9%±1.6 pts | 5.3% | – |
| Single-family detached homes | 67.0%±1.6 pts | 68.8% | – |
| Mobile homes | 7.1%±0.8 pts | 9.4% | – |
| Built 2020 or later | 1.5%±0.6 pts | 2.3% | – |
| Built 1939 or earlier | 15.4%±1.2 pts | 12.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Cascade County building?
Builders took permits for 253 new housing units across Cascade County in 2025 (153 single-family), 3.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Cascade County get to work?
77.4% of Cascade County's workers drive alone and 7.4% work from home. The average trip to work takes 16.5 minutes. The unemployment rate in 2020-2024 averaged 3.3%.
| Measure | Cascade County | Montana | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.9%±1.1 pts | 62.9% | – |
| Unemployment rate | 3.3%±0.7 pts | 3.6% | no clear change |
| Drove alone to work | 77.4%±1.6 pts | 71.1% | – |
| Carpooled | 10.3%±1.3 pts | 9.7% | – |
| Public transportation | 0.7%±0.3 pts | 0.6% | – |
| Walked | 2.7%±0.6 pts | 3.9% | – |
| Worked from home | 7.4%±1.0 pts | 12.5% | +3.4 pts |
| Mean travel time to work | 16.5 min±0.7 | 19.1 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Cascade County's census tracts?
Cascade County is divided into 25 census tracts. Among those with a reliable estimate, median household income runs from $31,498 (Tract 108) to $160,984 (Tract 23.02).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Cascade County compare with Montana's other counties?
| Measure | Rank |
|---|---|
| Population | 5th of 56 |
| Growth 2020-2025 | 36th of 56 |
| Residents per square mile | 5th of 56 |
| Median household income | 25th of 56 |
| Median home value | 21st of 56 |
| Median gross rent | 16th of 56 |
| Poverty rate | 25th of 56 |
| Bachelor's degree or higher | 19th of 56 |
| Median age | 45th of 56 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Cascade County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.