ZIP code · London · Ohio · United States
ZIP code 43140 — London
ZIP code 43140 serves London, Ohio.
- Postal code
- 43140Single source Value from one source, not cross-checked.
- City
- London
- County
- Madison FIPS 39097
- State
- Ohio
- Country
- United States
- Coordinates
- 39.9001, -83.4439 — precision precise (locality)
View on OpenStreetMap - Population
- 24,162 (ZCTA, ACS 5-year)
- Population density
- 110 / sq mi
- Land area
- 219.9 sq mi (569.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $82,598
- Per-capita income
- $33,411
- Median age
- 41.7
- Households
- 7,830
- Housing units
- 8,419
- Median home value
- $228,000
- Median gross rent
- $901 / month
- Congressional district
- OH-15 (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 43140 with another ZIP · ZIPs within 25 miles · distance from 43140
Map of ZIP code 43140
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 19°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 37 | 48 | 61 | 71 | 79 | 82 | 81 | 76 | 64 | 50 | 39 |
| Avg low °F | 19 | 21 | 29 | 39 | 50 | 60 | 63 | 61 | 53 | 41 | 32 | 24 |
| Precip in | 3.1 | 2.3 | 3.7 | 4.0 | 4.7 | 4.7 | 5.0 | 2.9 | 2.9 | 2.8 | 3.0 | 3.2 |
NOAA 1991–2020 climate normals from the nearest station: LONDON FISH HATCHERY (3.5 mi) · NOAA NCEI
Places in ZIP 43140
- 13 schools
- 2 hospitals & clinics
- 1 supermarkets
- 18 restaurants & cafés
- 3 bars & pubs
- 11 parks
- 10 playgrounds
- 2 gyms & sports centres
- 2 libraries
- 1 post offices
- 17 places of worship
- 1 banks
- 13 gas stations
- 1 EV charging stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page