Blaine County, Montana ZIP codes
7 ZIP codes are in Blaine County, plus 3 that cross in from neighboring counties.
- ZIP codes
- 7
- Population in these ZIPs
- 6,690
- Avg. median income
- $65,600population-weighted
- Cities & towns
- 7
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ZIP codes in Blaine County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 59523 | Chinook | 2,356 | $73,906 | $218,900 |
| 59526 | Harlem | 2,319 | $63,869 | $160,100 |
| 59527 | Hays | 1,345 | $54,500 | $80,800 |
| 59529 | Hogeland | 144 | $87,841 | $325,000 |
| 59535 | Lloyd | 33 | — | — |
| 59542 | Turner | 442 | $57,222 | $187,500 |
| 59547 | Zurich | 51 | — | $131,300 |
ZIP codes partly in Blaine County
These ZIP codes are mostly in a neighboring county but cover part of Blaine County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 59501 | Havre | Hill County | 12,243 | $51,872 | $229,600 |
| 59520 | Big Sandy | Chouteau County | 1,261 | $62,109 | $259,900 |
| 59524 | Dodson | Phillips County | 643 | $48,000 | $62,100 |
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 Blaine County
Nearby counties
Frequently asked questions
How many ZIP codes are in Blaine County, Montana?
7 ZIP codes are mainly in Blaine County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Blaine County?
ZIP codes in Blaine County use the city names Chinook, Harlem, Hays, Hogeland, Lloyd, Turner and Zurich.