Clark County, Ohio ZIP codes
16 ZIP codes are in Clark County, plus 7 that cross in from neighboring counties. It's part of the Springfield, OH metro area.
- ZIP codes
- 16
- Population in these ZIPs
- 134,795
- Avg. median income
- $64,800population-weighted
- Cities & towns
- 11
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Clark County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 43010 | Catawba | 305 | $68,500 | $184,900 |
| 45316 | Clifton | 141 | $83,125 | $200,000 |
| 45319 | Donnelsville | 308 | $67,708 | $142,200 |
| 45323 | Enon | 4,961 | $80,781 | $240,600 |
| 45341 | Medway | 3,639 | $56,470 | $182,200 |
| 45344 | New Carlisle | 16,979 | $78,471 | $216,300 |
| 45349 | North Hampton | 234 | $76,750 | $172,400 |
| 45368 | South Charleston | 3,889 | $60,850 | $269,900 |
| 45369 | South Vienna | 4,120 | $88,578 | $309,400 |
| 45372 | Tremont City | 265 | $70,500 | $117,900 |
| 45501 | Springfield | 0 | — | — |
| 45502 | Springfield | 17,692 | $88,988 | $311,600 |
| 45503 | Springfield | 32,638 | $59,595 | $193,800 |
| 45504 | Springfield | 16,363 | $69,960 | $211,900 |
| 45505 | Springfield | 19,826 | $43,819 | $129,700 |
| 45506 | Springfield | 13,435 | $42,104 | $114,600 |
ZIP codes partly in Clark County
These ZIP codes are mostly in a neighboring county but cover part of Clark County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 43044 | Mechanicsburg | Champaign County | 4,964 | $76,397 | $283,700 |
| 43078 | Urbana | Champaign County | 19,695 | $73,816 | $243,300 |
| 43140 | London | Madison County | 24,237 | $83,644 | $306,100 |
| 43153 | South Solon | Madison County | 1,112 | $90,417 | $302,200 |
| 45314 | Cedarville | Greene County | 6,536 | $84,844 | $326,200 |
| 45324 | Fairborn | Greene County | 41,194 | $64,979 | $208,100 |
| 45387 | Yellow Springs | Greene County | 5,285 | $96,042 | $377,900 |
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 Clark County
Nearby counties
Frequently asked questions
How many ZIP codes are in Clark County, Ohio?
16 ZIP codes are mainly in Clark County, and 7 more ZIP codes from neighboring areas reach partly into it.
What cities are in Clark County?
ZIP codes in Clark County use the city names Catawba, Clifton, Donnelsville, Enon, Medway, New Carlisle, North Hampton, South Charleston, South Vienna, Springfield and Tremont City.
What metro area is Clark County in?
Clark County is part of the Springfield, OH metropolitan statistical area.