| ZIP Codes: | 9 ZIP Codes (8 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Code: | 406 |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 11:54:13 PM |
| Population: | 13,266 [See All] |
| FIPS: | 30089 |
| Land Area: | 2,753 sq mi |
| Water Area: | 29 sq mi |
| Coordinates: | 47.6882, -115.1066 |
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13,266 residents live across 9 ZIPs covering 2,753 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 11,381 to 13,266 from 2014 to 2024 — a +16.6% change. 5 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 59859 (Plains, $64,846 median) and poorest ZIP 59845 (Hot Springs, $31,970) are 13.4 miles apart — a 2.0× income gap across local geography.
Median home values vary 2.8× across this county — from $191,100 in 59845 (Hot Springs) to $540,100 in 59874 (Trout Creek).
Density varies 3× across the county — from 2 people/sq mi in 59848 (Lonepine) to 7 in 59874 (Trout Creek).
Educational attainment ranges from 11.8% bachelor's+ in 59853 (Noxon) to 27.9% in 59844 (Heron) — the breadth of educational profiles across the area.
Within Montana, this is the #15 most populous of 56 counties and ranks #54 for median household income with the #7 fastest decade growth .
Weighted by population, the typical household earns about $58,174 across the county — reflecting what a typical resident sees, not a simple ZIP average.
21.6% of adults age 25+ hold a bachelor's degree or higher (2,171 of 10,072 reporting).
8 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
Sanders County grew 16.6% over the past decade — concentrated in 3 high-growth ZIPs:
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 59859 | Plains | Standard | 4,360 | $64,846 | 666.2 | 45.8% |
| 59873 | Thompson Falls | Standard | 2,920 | $60,000 | 743.1 | -20.4% |
| 59874 | Trout Creek | Standard | 2,266 | $64,319 | 334.3 | 136.3% |
| 59845 | Hot Springs | Standard | 1,223 | $31,970 | 459.9 | 3.8% |
| 59853 | Noxon | Standard | 1,030 | $60,417 | 245.8 | 35.7% |
| 59844 | Heron | Standard | 712 | $43,417 | 125.0 | -5.3% |
| 59831 | Dixon | Standard | 544 | $46,406 | 116.0 | 2.4% |
| 59856 | Paradise | PO Box | 130 | — | 21.4 | -66.4% |
| 59848 | Lonepine | Standard | 81 | $37,188 | 41.0 | -48.7% |