US > Ohio > Madison County > London, OH 43140

43140 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
London, OH | Summerford, OH
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ZIP Code 43140: Basic Data & USPS Preferred City Name

Preferred Name, USPS
London, OH 43140

Acceptable Alternative
Summerford, OH 43140

  • ZIP Code Type: STANDARD
  • County: Madison County
  • Centroid: Latitude 39.891, Longitude -83.405
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 43140 has segments in 3 Counties (Clark, Franklin, Madison).

  • Businesses Addresses: 592
  • PO Box Addresses: 169
  • Residential Addresses: 8,196
    • Multi-Family Addresses: 180
    • Single Family Addresses: 8,016

The ZIP Code maps and database are updated 4 times per year.
Database updated: March 1, 2026, Maps updated: May 1, 2024.

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London, OH 43140 Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION

Total Population 24,237 (100%)
Population Density 110 per sq mi
Diversity Index1 32
 
 

INCOME

Median Household Income $83,644
Per Capita Income $34,937
Median Home Value $242,900
 

HOUSING

Total HU (Housing Units) 8,704 (100%)
Owner Occupied HU 5,967 (68.6%)
Renter Occupied HU 2,210 (25.4%)
Vacant Housing Units 527 (6.1%)
 

HOUSEHOLDS

Total Households 8,177
Average Household Size 2.44
Family Households 5,407 (66.1%)
NOTES
  1. The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

London, OH 43140 - Peer Comparisons by Rank and Percentile

The table below compares 43140 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 5166 85th
Population Density # 15122 55th
Median Household Income # 11383 66th
Per Capita Income # 18834 44th
Diversity Index # 14583 57th

Additional comparisons and rankings can be made with a VERY EASY TO USE Ohio Census Data Comparison Tool.


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