Traill County, North Dakota ZIP codes
9 ZIP codes are in Traill County, plus 4 that cross in from neighboring counties.
- ZIP codes
- 9
- Population in these ZIPs
- 6,256
- Avg. median income
- $81,200population-weighted
- Cities & towns
- 9
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ZIP codes in Traill County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 58009 | Blanchard | 48 | — | — |
| 58016 | Clifford | 178 | $109,359 | $136,900 |
| 58035 | Galesburg | 212 | $131,471 | $288,600 |
| 58038 | Grandin | 179 | $112,750 | $210,000 |
| 58045 | Hillsboro | 2,239 | $86,484 | $260,900 |
| 58218 | Buxton | 873 | $91,964 | $269,000 |
| 58219 | Caledonia | 175 | $81,724 | $191,700 |
| 58223 | Cummings | 172 | $96,750 | $342,300 |
| 58257 | Mayville | 2,180 | $60,395 | $208,900 |
ZIP codes partly in Traill County
These ZIP codes are mostly in a neighboring county but cover part of Traill County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 58048 | Hunter | Cass County | 505 | $100,227 | $207,800 |
| 58240 | Hatton | Steele County | 991 | $85,950 | $227,200 |
| 58274 | Portland | Steele County | 930 | $105,395 | $268,600 |
| 58275 | Reynolds | Grand Forks County | 713 | $105,385 | $263,600 |
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 Traill County
Nearby counties
Frequently asked questions
How many ZIP codes are in Traill County, North Dakota?
9 ZIP codes are mainly in Traill County, and 4 more ZIP codes from neighboring areas reach partly into it.
What cities are in Traill County?
ZIP codes in Traill County use the city names Blanchard, Buxton, Caledonia, Clifford, Cummings, Galesburg, Grandin, Hillsboro and Mayville.