ZIP code 59866: Saint Regis, MT
59866 is a ZIP code in Saint Regis, Montana, mainly in Mineral County, part of the Missoula, MT metro area. About 1,161 people live here.
- Population
- 1,161
- Median household income
- $73,462
- Typical home value
- $397,000+1.9% in 12 months
- Median rent
- $888gross, per month
- Median age
- 49.3
- Homeowners
- 81.9%of occupied homes
Shaded: ZIP code 59866's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 59866 details
| City | Saint Regis |
|---|---|
| State | Montana |
| County | Mineral County (also partly Sanders County) |
| Metro area | Missoula, MT |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 222.4 sq mi, plus 1.2 sq mi of water |
| Population density | 5 people per sq mi |
| Bachelor's degree or higher | 40.4% of adults 25+ |
| Average commute | 15.9 minutes |
| Center coordinates | 47.34290, -115.12040 |
Median rent in 59866 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $897/mo |
| 3 bedrooms | $1,071/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 59866
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 59842 | Haugan, MT | 14.9 mi | 46 |
| 59830 | De Borgia, MT | 17.0 mi | 102 |
| 59856 | Paradise, MT | 18.1 mi | 130 |
| 59872 | Superior, MT | 19.2 mi | 2,501 |
| 59859 | Plains, MT | 19.5 mi | 4,360 |
| 59867 | Saltese, MT | 21.0 mi | 85 |
| 59873 | Thompson Falls, MT | 23.2 mi | 2,920 |
| 83802 | Avery, ID | 23.8 mi | 124 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 59866?
A typical home in ZIP code 59866 is worth about $397,000 (Zillow Home Value Index). The median household here earns $73,462 a year. See what buying here would cost per month, with Montana average taxes and insurance filled in.
Monthly payment for a $397,000 homeWhat can a $73,462 income afford?Rental property numbers
About ZIP code 59866
What city is ZIP code 59866?
ZIP code 59866 is in Saint Regis, MT, in Mineral County.
What county is ZIP code 59866 in?
59866 is mainly in Mineral County, Montana, and partly in Sanders County.
What is the population of ZIP code 59866?
About 1,161 people live in ZIP code 59866, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 59866 in?
59866 is in Mountain Time (UTC−7). It observes daylight saving time.