US ZIP Code
43140

London, OH

Madison County  ·  Ohio

● Active
👥 24,162 Population
💰 $82,598 Median HH Income
▲ 8% above avg ↑ 24% since 2019
🎂 41.7 Median Age ↑ 3% since 2019
🏠 $228,000 Median Home Value
▼ 18% below avg ↑ 40% since 2019
🎓 31.2% College Grads
▼ 20% below avg
📊 4.8% Unemployment
≈ Avg ↑ 19% since 2019
ZIP Code Details
ZIP Code43140
CityLondon
StateOhio (OH)
CountyMadison County
Area Code220/740
Elevation999 ft
Latitude39.880108
Longitude-83.428512
TimezoneNew York (DST)
FIPS39097
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 60.3% (14,575) Female 39.7% (9,587) ♀

Race & Ethnicity

White: 82.2%Hispanic: 1.7%Black: 8.4%Asian: 1.5%Other: 5.7%Race
White82.2%
Hispanic1.7%
Black8.4%
Asian1.5%
Other5.7%

Age Breakdown

Under 5
4%
5–17
13%
18–24
7%
25–44
30%
45–64
31%
65+
6%

Key Indicators

Median Age41.7 yrs ↑ 3% since 2019
Avg Household Size2.50
Below Poverty8.9% ▼ 11% below avg
College Grads31.2% ▼ 20% below avg
Unemployment4.8% ≈ Avg
No HS Diploma124 (0.8%)
HS Graduate5,691 (35.1%)
Some College3,184 (19.6%)
Associates2,155 (13.3%)
Bachelors1,478 (9.1%)
Graduate Degree3,575 (22.1%)

Education

No HS: 0.8%HS Grad: 35.1%Some College: 19.6%Associates: 13.3%Bachelors: 9.1%Graduate: 22.1%Edu
No HS0.8%
HS Grad35.1%
Some College19.6%
Associates13.3%
Bachelors9.1%
Graduate22.1%
Housing & Income

Housing Tenure

Owner: 72.4%Renter: 27.6%Tenure
Owner72.4%
Renter27.6%

Home Value Distribution

Under $50k
5%
$50k–100k
6%
$100k–150k
11%
$150k–200k
20%
$200k–300k
30%
$300k–500k
20%
Over $500k
9%

Financials

Median HH Income$82,598 ▲ 8% above avg ↑ 24% since 2019
Median Home Value$228,000 ▼ 18% below avg ↑ 40% since 2019
Home/Income Ratio2.8x (nat avg ~3.5x)
Median Rent$901/mo ↑ 8% since 2019
Total Units8,419
Vacant Units589
Avg HH Size2.50

Income Distribution

Under $25k
13%
$25k–50k
15%
$50k–75k
16%
$75k–100k
13%
$100k–150k
21%
$150k–200k
13%
Over $200k
9%
Employment & Commute

How People Get to Work

Drove Alone
85%
Public Transit
0%
Walked
1%
Work From Home
13%

Commute Time

Under 15 min
32%
15–30 min
27%
30–45 min
28%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
9%
1960s–1970s
13%
1980s–1990s
17%
2000+
58%

Summary

Total Units8,419
Vacant589
Owner Occupied72.4%
Renter Occupied27.6%
Avg HH Size2.50
Frequently Asked Questions
ZIP code 43140 is in London, OH, in Madison County.
ZIP code 43140 is located in Ohio (OH).
ZIP code 43140 is in Madison County, OH.
ZIP 43140 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 43140 is 24,162 people (ACS 2023).
The median household income in ZIP code 43140 is $82,598 (ACS 2023).
The median home value in ZIP 43140 is $228,000 (ACS 2023).
About ZIP Code 43140

ZIP code 43140 is located in London, Ohio, within Madison County. With a population of 24,162, this is a moderately populated ZIP code with a middle-aged community — the median age is 41.7 years. Economically, 43140 is a middle-income ZIP code: the median household income of $82,598 is near the national average.

Real estate in ZIP code 43140 represents an affordable housing market. The median home value of $228,000 is below the national average. Renters can expect to pay around $901 per month in median rent. Homeownership is strong here — 72.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 40% since 2019.

The population of 43140 is primarily White (82.24%). Residents are moderately educated — 31.2% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 8.9%. Household income has grown by 24% since 2019.

The unemployment rate in 43140 stands at 4.8%, which is near the national average. About 12% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 78%.

Overall, ZIP code 43140 in London, OH is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 24,162 residents, a median household income of $82,598, and a median home value of $228,000, it offers a clear picture of life in this part of Ohio.