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Summary for London

About London (Click for our profile page)

Located in: Madison County (see below)

Pronunciation: LUN-dun <1>

Time Zone: London lies in the Eastern Time Zone (EST/EDT)

Telephone Area Codes: 740 & 220<2>

ZIP Code: 43140<3>

Elevation: 1,040 feet [316.99 m] above sea level<4>

From the 2010 US Census (For more detail, see our Census Page for London)

Population

Year	Population
2019 Est:<5>	10,344 (4.44% increase since 2010)
2010:	9,904 (12.92% increase since 2000)
2000:	8,771

Total Area:<6> 8.45 sq. miles [21.9 km²]

Housing Units:<7> 4,410

Official Website: www.ci.london.oh.us/

GPS Coordinates (Latitude/Longitude)<8>

For the purpose of mapping and calculating distances, we have chosen the following reference point for London:

Lat: 39.887000° (or 39°53'13" N)

Lon: -83.446900° (or -83°26'48" W)

USGS Topo Map: London<9>

Federal GNIS/FIPS Codes for London

GNIS ID: 1086545

FIPS State / Place Code: 39 / 44674

(For more about Federal Codes, see our Misc Page for London)

About Madison County

The city of London is the County Seat for {Madison County}.

From the 2010 US Census (For more detail, see our Census Page for Madison)

Population

Year	Population
2019 Est:	44,731 (2.99% increase since 2010)
2010	43,434 (8.01% increase since 2000)
2000:	40,213

Total Area: 466.6 sq. miles [1,208.6 km²]

Housing Units: 15,939

Official Website: https://www.co.madison.oh.us/

Federal GNIS/FIPS Codes for Madison

GNIS ID: 1074061

FIPS State / County Code: 39 / 097

(For more about Federal Codes, see our Misc Page for London)

About Ohio

From the US Census

Population

Year	Population
2019 Est:	11,696,507 (1.39% increase since 2010)
2010:	11,536,504 (1.62% increase since 2000)
2000:	11,353,140

Websites for State of Ohio

Official Website: https://ohio.gov/

Tourism: https://ohio.gov/tourism/

Parks: https://ohiodnr.gov/discover-and-learn/safety-conservation/about-odnr/division-parks-watercraft

Fishing: https://ohiodnr.gov/go-and-do/outdoor/fishing

Hunting: https://ohiodnr.gov/go-and-do/outdoor/hunting

Federal GNIS/FIPS Codes for State of Ohio

GNIS ID: 1085497

FIPS State: 39

(For more about Federal Codes, see our Misc Page for London)

Footnotes ...

<1>	The pronunciation we've provided is our attempt to give a phonetic pronunciation for London. While it might not be exactly right, hopefully it will be close. If we have it wrong or there's a better way to pronounce the name, please contact us through our Feedback Page.
<2>	When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 740 code has been Overlayed with the 220 area code. New phone numbers in the London area will be assigned with one of these codes: 740 or 220. As a result, placing a call in the London area will require 10-digit dialing (where you enter both the area code and then the phone number).
<3>	ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as London). When looking for a ZIP Code, whether London or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<4>	The elevation is an estimate for the area around London - it will be higher in some places and lower in others.
<5>	Every year, the US Census Bureau creates a population estimate for the preceeding year. Keep in mind that this value is an estimate and not an actual count. The most recent Census estimate is for the year 2019.
<6>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of London. The value given by the Census Bureau reflects their statistical (or sampling) requirements. For example, if there is a cluster of people living just outside of the community's official boundary, the Census-defined area might be expanded to include that group.
<7>	A Housing Unit is a broad term for those places where people live (whether occupied or temporarily vacant), such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway).
<8>	Longitude & latitude values may not be the geographic center of London, rather it may be a prominent intersection or the center of population, etc. It will vary depending on the source.
<9>	Name of the USGS 7.5 Minute topographic map which includes London.