Sanders County, MT ZIP codes
There are 9 ZIP codes in Sanders County, MT, in 9 towns, from 59831 to 59874. The largest are 59859 (Plains), 59873 (Thompson Falls) and 59874 (Trout Creek).
The county seat is Thompson Falls.
- ZIP codes
- 9
- Towns
- 9
- County seat
- Thompson Falls
- County FIPS
30089- State
- Montana
- Population
- 13,285
- Median household income
- $57,476
- Land area
- 2,760 sq mi
Sanders County ZIP codes by town
- Thompson Falls (county seat)
- 59873
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Sanders County ZIP codes
The ZIP codes of Sanders County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Sanders County in numbers
About 13,285 people live in Sanders County, in 5,451 households, the 14th most populous of Montana's 56 counties. The median household income is $57,476 a year, 21% below the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $359,000 (4% below the Montana median), and median gross rent is $820 a month. The median age is 54.6; 21.5% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 22 minutes.
| Population | 13,285 |
|---|---|
| Households | 5,451 |
| Median age | 54.6 |
| Median household income | $57,476 |
| Median home value | $359,000 |
| Median gross rent | $820 |
| Bachelor's degree or higher | 21.5% |
| Mean commute | 22.0 min |
| Population density | 5 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Sanders County
| Town | ZIP codes | Population |
|---|---|---|
| Thompson Falls | 1 | 1,500 |
| Plains | 1 | 1,195 |
| Hot Springs | 1 | 557 |
| Heron | 1 | 328 |
| Dixon | 1 | 281 |
| Trout Creek | 1 | 252 |
| Noxon | 1 | 209 |
| Lonepine | 1 | 122 |
| Paradise | 1 | 76 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Sanders County.
Not sure you are in Sanders County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Sanders County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
59831 | Dixon , MT | Standard | 544 | $46,406 | $197,500 |
59844 | Heron , MT | Standard | 712 | $43,417 | $440,600 |
59845 | Hot Springs , MT | Standard | 1,223 | $31,970 | $191,100 |
59848 | Lonepine , MT | Standard | 81 | $37,188 | $462,500 |
59853 | Noxon , MT | Standard | 1,030 | $60,417 | $293,300 |
59856 | Paradise , MT | Standard | 130 | — | — |
59859 | Plains , MT | Standard | 4,360 | $64,846 | $429,200 |
59873 | Thompson Falls , MT | Standard | 2,920 | $60,000 | $305,900 |
59874 | Trout Creek , MT | Standard | 2,266 | $64,319 | $540,100 |
Cite this page
zipcodes.pro. “Sanders County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/mt/county/sanders
Underlying data is public domain or openly licensed — sources, vintages and licences.