London, OH ZIP code
The ZIP code for London, Ohio is 43140. It is in Madison County.
- Population in these ZIPs
- 24,237
- Avg. median income
- $83,600population-weighted
- Typical home value
- $306,100population-weighted
- Metro area
- Columbus, OH
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London, OH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 43140 | 24,237 | $83,644 | $306,100 |
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 near London
- West Jefferson 8 mi
- South Vienna 10 mi
- Sedalia 10 mi
- South Solon 12 mi
- South Charleston 12 mi
- Galloway 13 mi
- Catawba 13 mi
- Mechanicsburg 14 mi
- Mount Sterling 14 mi
- Derby 14 mi
- Harrisburg 15 mi
- Irwin 15 mi
Frequently asked questions
What is the ZIP code for London, OH?
The ZIP code for London, OH is 43140.
What county is London, Ohio in?
London ZIP codes are in Madison County.