Madison County, Ohio ZIP codes
7 ZIP codes are in Madison County, plus 5 that cross in from neighboring counties. It's part of the Columbus, OH metro area.
- ZIP codes
- 7
- Population in these ZIPs
- 56,968
- Avg. median income
- $102,500population-weighted
- Cities & towns
- 7
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Madison County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 43029 | Irwin | 544 | $107,744 | $354,400 |
| 43064 | Plain City | 18,143 | $139,591 | $544,300 |
| 43140 | London | 24,237 | $83,644 | $306,100 |
| 43143 | Mount Sterling | 5,803 | $100,333 | $296,600 |
| 43151 | Sedalia | 233 | $62,292 | $175,900 |
| 43153 | South Solon | 1,112 | $90,417 | $302,200 |
| 43162 | West Jefferson | 6,896 | $76,250 | $268,200 |
ZIP codes partly in Madison County
These ZIP codes are mostly in a neighboring county but cover part of Madison County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 43026 | Hilliard | Franklin County | 65,238 | $111,440 | $375,800 |
| 43044 | Mechanicsburg | Champaign County | 4,964 | $76,397 | $283,700 |
| 43119 | Galloway | Franklin County | 29,660 | $91,224 | $306,900 |
| 43146 | Orient | Pickaway County | 13,387 | $81,191 | $357,300 |
| 45369 | South Vienna | Clark County | 4,120 | $88,578 | $309,400 |
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 Madison County
Nearby counties
Frequently asked questions
How many ZIP codes are in Madison County, Ohio?
7 ZIP codes are mainly in Madison County, and 5 more ZIP codes from neighboring areas reach partly into it.
What cities are in Madison County?
ZIP codes in Madison County use the city names Irwin, London, Mount Sterling, Plain City, Sedalia, South Solon and West Jefferson.
What metro area is Madison County in?
Madison County is part of the Columbus, OH metropolitan statistical area.