Lake Seneca

Census-designated place in Williams County, Ohio

Aerial view of Lake Seneca, Ohio
Aerial view: USDA NAIP · USGS The National Map (public domain)

Lake Seneca is an unincorporated community (census-designated place) in Williams County, Ohio, with 529 residents (2020 Census). The nearest town is Nettle Lake, 3.9 miles W.

About Lake Seneca

Lake Seneca is a census-designated place in Williams County, in the U.S. state of Ohio. The population was 529 at the 2020 census.

Text: Wikipedia · CC BY-SA 4.0

Lake Seneca weather: 7-day forecast

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Living in Lake Seneca

Median household income
$86,202
Median home value
$193,200
Median age
52.7
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Map of Lake Seneca

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Lake Seneca Street View

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Lake Seneca, OH population

Lake Seneca had 529 residents in the 2020 Census.

2020 Census529
Density373 per sq mi (144 per km²)

Source: U.S. Census Bureau, Decennial Census.

Lake Seneca at a glance

StateOhio (OH)
CountyWilliams County
TypeCensus-designated place
Population529 (2020)
Land area1.42 sq mi (3.7 km²)
Water area0.37 sq mi (0.95 km²)
Coordinates41.6684° N, 84.6514° W
ZIP code43543
Census code (GEOID)3941500

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Lake Seneca

Straight-line distance between town centers.

Frequently asked questions about Lake Seneca

What county is Lake Seneca in?

Lake Seneca is in Williams County, Ohio.

What is the population of Lake Seneca, OH?

529 people lived in Lake Seneca at the 2020 Census.

What is the ZIP code of Lake Seneca, OH?

The ZIP code of Lake Seneca is 43543.

What towns are near Lake Seneca?

Nettle Lake (3.9 mi), Pioneer (5.2 mi), Montpelier (6.6 mi), Holiday City (6.6 mi), Camden (8.1 mi).

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