Harrison County, Missouri ZIP codes
8 ZIP codes are in Harrison County, plus 5 that cross in from neighboring counties.
- ZIP codes
- 8
- Population in these ZIPs
- 7,981
- Avg. median income
- $57,500population-weighted
- Cities & towns
- 8
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ZIP codes in Harrison County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 64424 | Bethany | 3,929 | $53,479 | $134,500 |
| 64426 | Blythedale | 530 | $87,844 | $28,200 |
| 64442 | Eagleville | 951 | $61,985 | $114,800 |
| 64458 | Hatfield | 159 | — | $77,700 |
| 64467 | Martinsville | 145 | — | $211,800 |
| 64471 | New Hampton | 309 | $34,375 | $74,200 |
| 64481 | Ridgeway | 1,154 | $55,341 | $111,900 |
| 64642 | Gilman City | 804 | $64,107 | $121,200 |
ZIP codes partly in Harrison County
These ZIP codes are mostly in a neighboring county but cover part of Harrison County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 64456 | Grant City | Worth County | 1,367 | $48,611 | $92,000 |
| 64632 | Cainsville | Mercer County | 371 | $50,313 | $157,600 |
| 64636 | Coffey | Daviess County | 217 | $34,167 | $113,300 |
| 64657 | Mc Fall | Gentry County | 266 | $59,659 | $159,800 |
| 64670 | Pattonsburg | Daviess County | 1,007 | $52,083 | $292,500 |
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 Harrison County
Nearby counties
Frequently asked questions
How many ZIP codes are in Harrison County, Missouri?
8 ZIP codes are mainly in Harrison County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Harrison County?
ZIP codes in Harrison County use the city names Bethany, Blythedale, Eagleville, Gilman City, Hatfield, Martinsville, New Hampton and Ridgeway.