Highland County, Ohio ZIP codes
7 ZIP codes are in Highland County, plus 8 that cross in from neighboring counties.
- ZIP codes
- 7
- Population in these ZIPs
- 42,566
- Avg. median income
- $65,100population-weighted
- Cities & towns
- 7
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ZIP codes in Highland County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 45123 | Greenfield | 8,740 | $62,404 | $166,500 |
| 45132 | Highland | 87 | $35,417 | $100,000 |
| 45133 | Hillsboro | 23,443 | $61,842 | $209,000 |
| 45135 | Leesburg | 5,291 | $79,629 | $262,900 |
| 45142 | Lynchburg | 4,187 | $66,844 | $214,000 |
| 45155 | Mowrystown | 510 | $72,813 | $93,000 |
| 45172 | Sinking Spring | 308 | $107,951 | $149,100 |
ZIP codes partly in Highland County
These ZIP codes are mostly in a neighboring county but cover part of Highland County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 45118 | Fayetteville | Brown County | 3,703 | $97,963 | $303,700 |
| 45154 | Mount Orab | Brown County | 8,969 | $74,087 | $270,100 |
| 45159 | New Vienna | Clinton County | 3,588 | $82,961 | $253,300 |
| 45171 | Sardinia | Brown County | 5,752 | $73,838 | $292,800 |
| 45612 | Bainbridge | Ross County | 4,933 | $53,500 | $164,700 |
| 45660 | Peebles | Adams County | 7,936 | $57,252 | $184,400 |
| 45679 | Seaman | Adams County | 2,841 | $55,028 | $199,000 |
| 45697 | Winchester | Adams County | 5,222 | $71,439 | $242,700 |
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 Highland County
Nearby counties
Frequently asked questions
How many ZIP codes are in Highland County, Ohio?
7 ZIP codes are mainly in Highland County, and 8 more ZIP codes from neighboring areas reach partly into it.
What cities are in Highland County?
ZIP codes in Highland County use the city names Greenfield, Highland, Hillsboro, Leesburg, Lynchburg, Mowrystown and Sinking Spring.