London ZIP Codes — Madison County, OH

There is one unique ZIP code in London, Ohio and it is 43140. Area code: 740.
1
ZIP codes
219.92
sq mi land
0.72
sq mi water
740
area code
London, OH ZIP code map

About London, OH

London, Ohio, is a charming city located within Madison County. Known for its welcoming atmosphere and friendly community, it provides a quaint yet vibrant lifestyle for its residents. The city offers a mix of historical sights and modern amenities, making it a desirable place to live and visit.

Location & geography

London is located in central Ohio, approximately 25 miles southwest of Columbus, the state capital. The nearby cities of Plain City and West Jefferson lie about 10 miles to the northwest and northeast, respectively, while Circleville is about 20 miles to the southeast. The city spans a land area of 219.92 square miles and includes a small water area of 0.72 square miles, primarily consisting of rivers and ponds.

Community & economy

The character of London is defined by a close-knit community, where local events and gatherings are commonplace. Industries in the area include agriculture, manufacturing, and retail, which contribute to the city’s economy and employment. Daily life in London is marked by a mix of rural charm and suburban convenience, with local shops and parks enhancing the overall quality of life.

Transportation

London is served by several key highways, including U.S. Route 42 and State Route 665, which provide easy access to surrounding areas. The nearest major airport is John Glenn Columbus International Airport, located about 30 miles to the east. Public transit options are limited, so most residents rely on personal vehicles for transportation.

History

London was founded in the early 19th century and has a rich history tied to agriculture and various local industries. Throughout the years, the city has grown steadily, adapting to changes in the economy while preserving its historical identity. Notable events include the annual Madison County Fair, celebrating the region's agricultural heritage and community spirit.

Did you know?

A surprising fact about London is that it was originally named 'London Junction' due to its status as a railway hub in the 1850s. Another interesting detail is that the city hosts the annual London Music and Arts Festival, showcasing local talent and culture.

ZIP codes for London, OH (1)
ZIP code City County Map
43140 London Madison View map

Demographics & statistics

23,812
Population
41.8
Median age
$71,642
Median household income
$30,102
Per capita income
$199,200
Median home value
$850
Median monthly rent
74.4%
Home ownership
12.0%
Poverty rate
3.8%
Unemployment
6,384
Housing units
18.1%
Bachelor's or higher

Age distribution

Male Female
572
Under 5
380
681
5–9
452
763
10–14
508
660
15–19
439
875
20–24
581
1,900
25–34
1,264
2,344
35–44
1,559
2,484
45–54
1,652
954
55–59
635
985
60–64
655
1,186
65–74
788
667
75–84
444
231
85+
153
← Male
Female →

Age summary

GroupCount%
Under 184,08017.1%
18 and over19,73282.9%
65 and over3,46914.6%
Median age41.8 years

Race & ethnicity

White 82.4%
Black or African American 9%
Two or more races 5%
Hispanic or Latino 1.5%
Asian 1.3%
Other race 0.4%
American Indian / Alaska Native 0.3%
GroupCount%
White19,90982.4%
Black or African American2,1679%
Two or more races1,2205%
Hispanic or Latino3521.5%
Asian3231.3%
Other race1080.4%
American Indian / Alaska Native770.3%

Household income

Under $10k 3.5%
$10k–$15k 3.7%
$15k–$25k 4.6%
$25k–$35k 6.0%
$35k–$50k 16.3%
$50k–$75k 17.8%
$75k–$100k 15.6%
$100k–$150k 16.9%
$150k–$200k 10.9%
$200k+ 4.7%
Range% of households
Under $10k3.5%
$10k–$15k3.7%
$15k–$25k4.6%
$25k–$35k6.0%
$35k–$50k16.3%
$50k–$75k17.8%
$75k–$100k15.6%
$100k–$150k16.9%
$150k–$200k10.9%
$200k+4.7%
Median income$71,642

Housing

Home values

Under $50k 4.5%
$50k–$100k 7.3%
$100k–$150k 16.4%
$150k–$200k 22.3%
$200k–$300k 27.0%
$300k–$500k 16.0%
$500k–$1M 6.2%
$1M+ 0.5%

Housing overview

MetricValue
Median home value$199,200
Median rent / month$850
Owner occupied74.4%
Renter occupied25.6%
Vacant6.9%
Single-family detached78.6%
Large apartment buildings3.4%
Mobile homes3.3%
Median rooms5.9
Avg household size (owned)2.55

Year built

Era%
2020 or later0.0%
2010–20194.7%
2000–200910.4%
1990–199916.2%
1980–198911.4%
1970–197915.9%
1960–19699.5%
1950–19598.5%
1940–19494.6%
1939 or earlier18.7%

Bedrooms

Size% of units
No bedroom (studio)2.0%
1 bedroom5.2%
2 bedrooms25.0%
3 bedrooms47.3%
4 bedrooms17.8%
5+ bedrooms2.5%

Vehicles per household

Vehicles% of households
No vehicle3.6%
1 vehicle35.7%
2 vehicles33.6%
3 or more27.1%

Heating fuel

Fuel type%
Utility gas47.4%
Electricity33.3%
Propane / LP gas11.9%
Fuel oil4.6%
Wood2.0%
No fuel used0.2%

Households & families

Household typeCount%
Married-couple family3,81248.9%
Cohabiting couple7489.6%
Male householder, no spouse1,34717.3%
Female householder, no spouse1,89224.3%
Households with children under 182,21528.4%
Households with seniors (65+)2,44031.3%
Average household size2.47

Marital status

StatusMaleFemale
Never married45.5%21.5%
Married35.7%47.3%
Separated1.8%3.2%
Widowed2.6%11.9%
Divorced14.4%16.2%

Education

Less than 9th grade 2.1%
Some HS, no diploma 11.6%
HS graduate 39.5%
Some college, no degree 21.1%
Associate's degree 7.7%
Bachelor's degree 13.4%
Graduate / professional 4.7%
Metric%
HS diploma or higher86.3%
Bachelor's or higher18.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1583.2%
Kindergarten1633.3%
Elementary school2,01341.3%
High school1,33427.4%
College / grad school1,20824.8%

Employment

Industry of employment

Manufacturing 17.3%
Education & healthcare 15.9%
Retail trade 11.9%
Arts, food & hospitality 9.0%
Professional & management 8.9%
Transportation & utilities 8.1%
Construction 6.8%
Public administration 6.0%
Finance & real estate 5.7%
Other services 3.8%
Agriculture & mining 2.4%
Wholesale trade 2.2%
Information 1.9%

Occupation

Category%
Management, business & arts34.4%
Service15.8%
Sales & office16.8%
Natural resources & construction11.7%
Production & transportation21.3%

Employment type

Type%
Private sector77.8%
Government13.4%
Self-employed8.2%
Unpaid family workers0.6%

Commute

Method%
Drive alone81.5%
Carpool7.4%
Public transit0.2%
Walk1.2%
Other means0.7%
Avg commute (minutes)23.7

Poverty

All people 12.0%
Under 18 years 17.6%
18 and over 10.5%
Married-couple families 1.5%
Female-led households 34.6%

Income support

Source% of households
Social Security32.0%
Retirement income28.0%
Supplemental Security7.0%
Cash public assistance3.9%
Food stamps / SNAP13.5%

Health indicators

Condition%
High blood pressure33.3%
High cholesterol30.5%
Heart disease6.3%
Stroke3.0%
Asthma9.8%
Arthritis25.9%
Kidney disease2.6%
Pulmonary disease8.2%
Cancer5.8%
Behavior / access%
Binge drinking18.8%
No physical activity27.1%
Less than 7 hrs sleep38.1%
Fair or poor health15.3%
Poor mental health16.5%
Poor physical health10.5%
No health insurance14.6%
Visited doctor (checkup)73.7%
Visited dentist57.3%
Cholesterol screening86.6%
Teeth loss15.9%

Veterans & disability

VeteransCount%
Civilian veterans1,6328.3%
Disability%
Any disability17.1%
Under 186.2%
18–64 years14.2%
65 and over41.1%

Health insurance coverage

Type%
Private insurance68.3%
Public insurance38.8%
Uninsured under 195.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only22,86096.0%
Spanish4642.0%
Other Indo-European1750.8%
Asian & Pacific Islander1190.5%
Other languages1260.6%

Place of birth & citizenship

OriginCount%
Native born (US)23,28797.8%
Born in same state23,19597.4%
Born in different state19,57182.2%
Foreign born920.4%
Naturalized citizen5252.2%
Not a US citizen23945.5%

Ancestry

AncestryCount%
Italian3,46714.6%
French3,37214.2%
Arab3,24513.6%
English4381.8%
Irish970.4%
AncestryCount%
German540.2%
Dutch180.1%
Polish60%
Norwegian50%

Technology access

Metric% of households
Computer access32.8%
Internet access93.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does London, OH have?
London, OH has one ZIP code: 43140. Each ZIP code serves a distinct delivery area within the city and surrounding region.
Need the complete Ohio ZIP code database? Download all OH ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →