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Simms, MT
Census-designated place in Cascade County, Montana. ZIP codes: 59477.
Population
334
Land area
7.6sq mi
People per sq mi
44
ZIP codes
1
Simms and its ZIP codes
Simms at a glance
- Simms is about 5.7 times as dense as Montana as a whole.
Local data for Simms, MT
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Cascade County. PPP loans are for Simms.
Unemployment rate
3.3%
Aug 2026, -0.1 pts in a year
Average annual pay
$58,416
36,192 jobs, 2025
Income per person
$63,865
BEA, 2024
Federal spending
$856M
FY 2026, $10,140 per person
Environment and hazard risk
Simms, MT, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: winter weather
Storm events since 1996
663
Countywide, mostly thunderstorm wind
Flood insurance policies
246
0.7% of homes, county
July high / Jan low
80° / 17°F
12.4 inches of rain a year
Health statistics
Share of adults in Simms, MT, CDC PLACES estimates
Obesity
36.7%
U.S. 33.3% +3.4 pts
Diabetes
12.5%
U.S. 12.1% about the same
Smoking
16.8%
U.S. 12.8% +4.0 pts
Uninsured (18-64)
9.4%
U.S. 11.1% -1.7 pts
ZIP codes in Simms
1 in or overlapping Simms. Population shown
Cities near Simms
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Fort ShawCensus-designated place | 5.4 mi | 5.7 |
| Cascade ColonyCensus-designated place | 6.5 mi | 0.9 |
| FairfieldTown | 9 mi | 0.3 |
| Sun RiverCensus-designated place | 11 mi | 1.9 |
| Fair Haven ColonyCensus-designated place | 16 mi | 0.4 |
| Milford ColonyCensus-designated place | 17 mi | 0.4 |
| VaughnCensus-designated place | 18 mi | 3.6 |
| CascadeTown | 19 mi | 0.7 |
| UlmCensus-designated place | 19 mi | 20.3 |
| GilmanCensus-designated place | 20 mi | 0.7 |
| PowerCensus-designated place | 20 mi | 1.5 |
| Sun PrairieCensus-designated place | 21 mi | 5.3 |
| AugustaCensus-designated place | 21 mi | 0.9 |
| HardyCensus-designated place | 22 mi | 1.1 |
| ChoteauCity | 25 mi | 1.5 |
| New Rockport ColonyCensus-designated place | 26 mi | 3.5 |
Frequently asked questions
- What county is Simms, MT in?
- Simms is in Cascade County, Montana.
- What ZIP codes are in Simms, MT?
- ZIP codes in or overlapping Simms include 59477.
- What is the population of Simms, MT?
- About 334 people live in Simms, based on American Community Survey 5-year estimates.
- What cities are near Simms?
- Nearby places include Fort Shaw (5.4 mi), Cascade Colony (6.5 mi), Fairfield (9 mi), Sun River (11 mi), Fair Haven Colony (16 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023