43140   Zip Code London Madison OH United States

City London
County Madison
State Ohio
Latitude 39.88406
Longitude -83.42946
Population 24,237
Density 110.36 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $83,644
Median individual: $41,019

Race

Mode: 81.9% White

Gender

 59.5% male 

Rent

  $918 / month  

Median house value: $236,673.0

Age

Median: 42.0 years old

Education

With at least college degree: 22.6%
With STEM degree: 50.3%

Marital Status

 44.3% married 

Never married: 34.1%

Labor Force Participation

 54.1% working 

Unemployed: 4.2%

Average Family Size

 2.98 people 

Commute Time

 24.6 minutes 

Health Care

 7.3% uninsured 

Poverty

 9.5%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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