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Unionville, MT
Census-designated place in Lewis and Clark County, Montana.
Population
412
Land area
1.3sq mi
People per sq mi
322
ZIP codes
0
Unionville and its ZIP codes
Unionville at a glance
- Unionville is about 42 times as dense as Montana as a whole.
Economy and federal money
Jobs, pay, income and spending are for Lewis and Clark County. PPP loans are for Unionville.
Unemployment rate
2.4%
Sep 2026, -0.6 pts in a year
Average annual pay
$65,290
39,657 jobs, 2025
Income per person
$67,391
BEA, 2024
Federal spending
$890M
FY 2026, $12,544 per person
Environment and hazard risk
Unionville, MT, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
621
Countywide, mostly high wind
Flood insurance policies
176
0.6% of homes, county
July high / Jan low
86° / 14°F
11.4 inches of rain a year
Health statistics
Share of adults in Unionville, MT, CDC PLACES estimates
Obesity
34.3%
U.S. 33.3% +1.0 pts
Diabetes
11.9%
U.S. 12.1% about the same
Smoking
15.3%
U.S. 12.8% +2.5 pts
Uninsured (18-64)
8.0%
U.S. 11.1% -3.1 pts
Cities near Unionville
| Name | Distance | Land area (sq mi) |
|---|---|---|
| HelenaCity | 3.9 mi | 17.2 |
| Helena West SideCensus-designated place | 4 mi | 15.1 |
| South HillsCensus-designated place | 4.1 mi | 5.9 |
| Montana CityCensus-designated place | 7.6 mi | 34.1 |
| Helena Valley West CentralCensus-designated place | 8 mi | 26.4 |
| ClancyCensus-designated place | 8.1 mi | 39.2 |
| East HelenaCity | 8.2 mi | 4.1 |
| RiminiCensus-designated place | 8.8 mi | 0.3 |
| Helena Valley SoutheastCensus-designated place | 9.9 mi | 21.5 |
| Jefferson CityCensus-designated place | 12 mi | 23.2 |
| Helena Valley NortheastCensus-designated place | 13 mi | 53.2 |
| Helena Valley NorthwestCensus-designated place | 13 mi | 16.4 |
| Spokane CreekCensus-designated place | 16 mi | 17.3 |
| MarysvilleCensus-designated place | 18 mi | 0.5 |
| EllistonCensus-designated place | 18 mi | 8.1 |
| ElkhornCensus-designated place | 19 mi | 6.7 |
Frequently asked questions
- What county is Unionville, MT in?
- Unionville is in Lewis and Clark County, Montana.
- What is the population of Unionville, MT?
- About 412 people live in Unionville, based on American Community Survey 5-year estimates.
- What cities are near Unionville?
- Nearby places include Helena (3.9 mi), Helena West Side (4 mi), South Hills (4.1 mi), Montana City (7.6 mi), Helena Valley West Central (8 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023