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zipcodes.pro — CITY/OH/LAKE-SENECA

Lake Seneca ZIP codes, Ohio

No ZIP code is named for Lake Seneca, OH; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 43543 and 43554. Its area codes are 419 and 567.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
532
Area codes
419, 567
State
Ohio

NANPA lists no telephone rate centre for Lake Seneca itself, so these are the area codes of the nearest one, Montpelier (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Lake Seneca in numbers

About 532 people live in Lake Seneca, in 215 households. The median household income is $86,202 a year, 21% above the Ohio median of $71,389 (US: $80,734). The median owner-occupied home is valued at $193,200 (10% below the Ohio median). The median age is 52.7; 12.6% of adults 25 and over hold a bachelor's degree or higher (31.5% across Ohio); the average commute takes 30 minutes.

Population532Lake Seneca532
Households215Lake Seneca215
Median age52.7Lake Seneca52.7Ohio39.7US 38.9
Median household income$86,202Lake Seneca$86,202Ohio$71,389US $80,734
Median home value$193,200Lake Seneca$193,200Ohio$214,800US $332,700
Bachelor's degree or higher12.6%Lake Seneca12.6%Ohio31.5%US 35.7%
Mean commute29.5 minLake Seneca29.5 minOhio23.4 minUS 26.4 min
Population density375 / sq miLake Seneca375 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Lake Seneca CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Lake Seneca

These ZIP codes cover part of Lake Seneca but are addressed as somewhere else.

ZIP codes overlapping Lake Seneca
ZIP City Type Population Median income Median home
43543 Montpelier , OH Standard 7,401 $56,236 $136,700
43554 Pioneer , OH Standard 2,037 $52,917 $161,000

Map of Lake Seneca ZIP codes

4354343554

The ZIP codes of Lake Seneca, OH, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Lake Seneca

The nearest larger towns are Pioneer (1,024 people, 5.1 mi), Montpelier (3,905 people, 6.3 mi) and Camden, MI (608 people, 8.3 mi).

Towns near Lake Seneca
TownPopulationDistance
Montpelier 3,905 6.3 mi
Bryan 8,631 14.4 mi
Hillsdale, MI 8,002 18.1 mi
Angola, IN 9,408 18.9 mi
Butler, IN 2,660 20.2 mi
Archbold 4,397 20.5 mi
Hicksville 3,174 26.4 mi
Coldwater, MI 13,671 26.5 mi
Wauseon 7,505 27.3 mi
Auburn, IN 13,565 29.5 mi

More nearby: every ZIP code in Williams County · Ohio ZIP codes

Cite this page

zipcodes.pro. “Lake Seneca, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/lake-seneca

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