Hill County, Montana ZIP codes
7 ZIP codes are in Hill County, plus 3 that cross in from neighboring counties.
- ZIP codes
- 7
- Population in these ZIPs
- 17,162
- Avg. median income
- $52,700population-weighted
- Cities & towns
- 7
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ZIP codes in Hill County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 59501 | Havre | 12,243 | $51,872 | $229,600 |
| 59521 | Box Elder | 3,529 | $50,288 | $103,700 |
| 59525 | Gildford | 473 | $48,438 | $233,500 |
| 59528 | Hingham | 249 | $89,375 | $170,800 |
| 59530 | Inverness | 141 | $61,875 | $192,400 |
| 59532 | Kremlin | 97 | $58,333 | — |
| 59540 | Rudyard | 430 | $74,250 | $173,400 |
ZIP codes partly in Hill County
These ZIP codes are mostly in a neighboring county but cover part of Hill County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 59520 | Big Sandy | Chouteau County | 1,261 | $62,109 | $259,900 |
| 59523 | Chinook | Blaine County | 2,356 | $73,906 | $218,900 |
| 59531 | Joplin | Liberty County | 351 | $67,891 | $110,000 |
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 Hill County
Nearby counties
Frequently asked questions
How many ZIP codes are in Hill County, Montana?
7 ZIP codes are mainly in Hill County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Hill County?
ZIP codes in Hill County use the city names Box Elder, Gildford, Havre, Hingham, Inverness, Kremlin and Rudyard.