County ProfileMT
Cascade County
Population: 84,414 · 18 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
84,414
People
Median age
38.6
Housing
Total households
35,615
Income
Median household income
$67,690
Housing
Total housing units
39,497
Employment
Employment rate
56.7%
Education
Bachelor’s degree or higher
28.4%
Healthcare
Insured population
93%
County details
Local time 03:21:55(MT)| Name | Cascade |
|---|---|
| Total ZIP codes | 18total |
| ZIP codes (by type) | 14 Standard4 PO Box |
| Area code | 406 |
| Timezone | Mountain Time (MT) |
| Coordinates | 47.3165751, -111.3502622 |
| Land area | 2,698.2 sq miles(6,988.3 km²) |
Map of Cascade county, Montana with ZIP codes
Cities and Communities in Cascade County
Compare the largest cities in Cascade County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Great Falls | 60,442 | $63,373 | 5ZIPs |
| Malmstrom AFB | 4,131 | $64,833 | 1ZIPs |
| Black Eagle | 949 | $69,545 | 1ZIPs |
| Vaughn | 737 | $56,250 | 1ZIPs |
| Ulm | 723 | $102,708 | 1ZIPs |
| Cascade | 600 | $50,938 | 1ZIPs |
| Belt | 510 | $73,929 | 1ZIPs |
| Simms | 361 | $42,292 | 1ZIPs |
| Fort Shaw | 256 | $56,413 | 1ZIPs |
| Sand Coulee | 179 | — | 1ZIPs |
| Stockett | 157 | $70,938 | 1ZIPs |
| Sun River | 95 | $57,589 | 1ZIPs |
| Neihart | 43 | $83,000 | 1ZIPs |
| Monarch | 26 | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Cascade County
Review the most populated postal areas across Cascade County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 59405 | Great Falls | $59,449 | 33,578 |
| 59404 | Great Falls | $83,867 | 28,131 |
| 59401 | Great Falls | $55,299 | 13,030 |
| 59421 | Cascade | $78,125 | 2,057 |
| 59412 | Belt | $82,955 | 1,680 |
| 59487 | Vaughn | $56,359 | 1,252 |
| 59414 | Black Eagle | $69,545 | 950 |
| 59485 | Ulm | $90,286 | 879 |
| 59472 | Sand Coulee | $68,036 | 709 |
| 59443 | Fort Shaw | $81,221 | 653 |
| 59483 | Sun River | $97,813 | 445 |
| 59477 | Simms | $42,292 | 431 |
| 59480 | Stockett | $80,714 | 334 |
| 59463 | Monarch | — | 197 |
| 59465 | Neihart | $83,000 | 62 |
| 59402 | Malmstrom AFB | — | — |
| 59403 | Great Falls | — | — |
| 59406 | Great Falls | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS