Lincoln County, Montana ZIP codes
7 ZIP codes are in Lincoln County.
- ZIP codes
- 7
- Population in these ZIPs
- 21,175
- Avg. median income
- $48,900population-weighted
- Cities & towns
- 7
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ZIP codes in Lincoln County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 59917 | Eureka | 4,920 | $50,139 | $528,500 |
| 59918 | Fortine | 509 | $67,250 | $488,000 |
| 59923 | Libby | 10,450 | $44,980 | $341,800 |
| 59930 | Rexford | 1,220 | $61,923 | $494,100 |
| 59933 | Stryker | 2 | — | — |
| 59934 | Trego | 693 | $108,875 | $530,000 |
| 59935 | Troy | 3,381 | $39,712 | $415,900 |
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
Cities and towns in Lincoln County
Nearby counties
Frequently asked questions
How many ZIP codes are in Lincoln County, Montana?
7 ZIP codes are mainly in Lincoln County.
What cities are in Lincoln County?
ZIP codes in Lincoln County use the city names Eureka, Fortine, Libby, Rexford, Stryker, Trego and Troy.