Ross County, Ohio ZIP codes
10 ZIP codes are in Ross County, plus 7 that cross in from neighboring counties. It's part of the Chillicothe, OH micro area.
- ZIP codes
- 10
- Population in these ZIPs
- 75,423
- Avg. median income
- $61,800population-weighted
- Cities & towns
- 10
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Ross County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 43101 | Adelphi | 316 | $39,107 | $164,300 |
| 43115 | Clarksburg | 1,796 | $94,265 | $203,700 |
| 45601 | Chillicothe | 55,836 | $59,748 | $201,300 |
| 45612 | Bainbridge | 4,933 | $53,500 | $164,700 |
| 45617 | Bourneville | 0 | — | — |
| 45628 | Frankfort | 5,999 | $72,587 | $229,100 |
| 45633 PO Box | Hallsville | — | — | — |
| 45644 | Kingston | 4,619 | $74,219 | $255,500 |
| 45673 | Richmond Dale | 473 | $64,438 | $87,000 |
| 45681 | South Salem | 1,451 | $49,510 | $189,400 |
ZIP codes partly in Ross County
These ZIP codes are mostly in a neighboring county but cover part of Ross County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 43135 | Laurelville | Hocking County | 3,937 | $72,823 | $306,600 |
| 43160 | Washington Court House | Fayette County | 22,105 | $61,740 | $232,600 |
| 43164 | Williamsport | Pickaway County | 2,176 | $68,000 | $243,000 |
| 45123 | Greenfield | Highland County | 8,740 | $62,404 | $166,500 |
| 45647 | Londonderry | Vinton County | 1,869 | $69,966 | $198,100 |
| 45672 | Ray | Vinton County | 1,361 | $49,231 | $181,900 |
| 45690 | Waverly | Pike County | 13,988 | $54,333 | $177,700 |
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 Ross County
Nearby counties
Frequently asked questions
How many ZIP codes are in Ross County, Ohio?
10 ZIP codes are mainly in Ross County, and 7 more ZIP codes from neighboring areas reach partly into it.
What cities are in Ross County?
ZIP codes in Ross County use the city names Adelphi, Bainbridge, Bourneville, Chillicothe, Clarksburg, Frankfort, Hallsville, Kingston, Richmond Dale and South Salem.
What metro area is Ross County in?
Ross County is part of the Chillicothe, OH micropolitan statistical area.