Open
Local agent spot
This featured-agent spot is open for a licensed local real estate professional in Ohio.
Advertise here →Lake Seneca, OH · Census-designated place
Lake Seneca, Ohio houses and real estate market data.
Houses in Lake Seneca, OH (Williams County) — market data for Lake Seneca houses and the whole local market.
Census-designated place · Census GEOID 3941500
🔥 FEATURED LISTING: WATERFRONT LAKE HOME FOR SALE
Clearlake Oaks Canal-Front Oasis
$374,999 • 3 Beds • 2 Baths • 1,204 Sq Ft
554 Keys, Clearlake Oaks, CA 95423
Luxury Living Lake Lifestyle – Deep Water Access to Clear Lake: PAID-OFF SOLAR • 10-Ft Concrete Seawall • Double Boat Lifts & Private Dock • Hot Tub • Mini-Split HVAC • Close to SF Bay / Wine Country • Cleanest Air in America (Lake County CA) • Spacious Patio and Deck • Open Floor Plan • RV/Boat Parking • Want the Boats? • Make Offer ASAP This Lake Home For Sale in California won't last!
*Listed by Scott Brown, EXP Realty, DRE #01956840. Inquiries delivered directly to listing agent. Search.USAHouses.com*
📩 Contact Agent Direct:
Scott Brown - EXP Realty
Scott@USAHouses.com
Call/Text (707) 474-8855
👉 Click Anywhere on Ad for More Info / Listing Page
Lake Seneca, OH is a Census-designated place in Williams County, Ohio — this guide covers houses in Lake Seneca and the whole local market: resale homes, condos, land, and new construction.
Info from government sites and builders may have provided source info.
Open map pin ↗ · 41.665792, -84.647154
At a glance
Lake Seneca market snapshot
Place type
Census-designated place
County
Williams County
Map pin
41.665792, -84.647154
Census GEOID
3941500
Land area
1.42 sq mi
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
Local resources
Get help buying or selling in Lake Seneca
What can I afford?
Estimate a comfortable price range in under a minute, then connect with a lender for real numbers.
Rough estimate only (28% of income toward housing, ~6.5% illustrative rate, 30-year term) — not a loan offer or pre-qualification. Connect with a lender for real numbers →
Open
Advertise to local buyers
Lenders, inspectors, movers, and other local pros — this spot is open.
Advertise here →Why Lake Seneca
What makes Lake Seneca different
Census-designated place
The U.S. Census Bureau lists Lake Seneca as a Census-designated place in Williams County, Ohio — a settled community that is not an incorporated city, town, or village. This page uses the same /ohio/lake-seneca/ guide pattern as incorporated places.
Nearby
Places around Lake Seneca
County guide: Williams County — cities, market context, and local resources for the county that includes Lake Seneca.
USAHouses.com also publishes Census place pages for other communities in the same county as Lake Seneca.
Nearby communities include Nettle Lake, Pioneer, Holiday City, Montpelier, Kunkle, Edon, Blakeslee, Alvordton, West Unity, Pulaski, Bryan, Edgerton, Stryker.
Nettle Lake market data
Nearby city · ~4.2 mi
Pioneer market data
Nearby city · ~5.1 mi
Holiday City market data
Nearby city · ~6.3 mi
Montpelier market data
Nearby city · ~6.3 mi
Kunkle market data
Nearby city · ~8.2 mi
Edon market data
Nearby city · ~9.9 mi
Blakeslee market data
Nearby city · ~10.7 mi
Alvordton market data
Nearby city · ~11.0 mi
West Unity market data
Nearby city · ~12.4 mi
Pulaski market data
Nearby city · ~12.9 mi
Bryan market data
Nearby city · ~14.4 mi
Edgerton market data
Nearby city · ~15.9 mi
Stryker market data
Nearby city · ~16.4 mi
Adjacent-county Census places with USAHouses.com pages: Fayette (~16.5 mi), Archbold (~20.5 mi), Ney (~20.8 mi), Tedrow (~23.3 mi), Pettisville (~23.7 mi), Ridgeville Corners (~25.6 mi), Sherwood (~26.3 mi), Hicksville (~26.4 mi), Wauseon (~27.3 mi), Brunersburg (~28.1 mi), Lyons (~29.8 mi), Defiance (~30.3 mi), Cecil (~31.0 mi), Napoleon (~32.7 mi), Delta (~32.9 mi), Florida (~33.1 mi).
Census & home facts
Lake Seneca data from published sources
County FHFA annual change (2025)
5.37%
Census place type
CDP
County
Williams County
Land area (Census Gazetteer 2024)
1.42 sq mi
Census GEOID
3941500
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Lake Seneca
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Spring Wood Acres ↗
Allen Edwin Homes · Fayette, Ohio · ~16.5 mi
Three Meadows North ↗
Allen Edwin Homes · Hillsdale, Michigan · ~18.1 mi
Hawthorn Heights ↗
Allen Edwin Homes · Litchfield, Michigan · ~26.4 mi
Western Meadows ↗
Allen Edwin Homes · Coldwater, Michigan · ~26.5 mi
Fawn Creek Estates ↗
D.R. Horton · Waterloo, Indiana · ~27.0 mi · from $277,900
Reach Lake Seneca buyers
Builders: feature your communities in front of Lake Seneca buyers — learn about advertising ↗
Want to own this market? Ask about our Lake Seneca domains — see available domains ↗
Common questions
Lake Seneca FAQ
What kind of place is Lake Seneca, OH?
The U.S. Census Bureau lists Lake Seneca as a Census-designated place in Williams County, Ohio — a settled community that is not an incorporated city, town, or village.
Search Lake Seneca
Look up homes in Lake Seneca
Search USAHouses.com places, or open verified new construction on NewUSAHouses.com.
New construction in Ohio ↗Get connected
Find your Lake Seneca new home
Prices, availability, and incentives change weekly and don't always make it onto this page. Tell us your area, budget, and timeline and we'll point you to communities that fit — including options we track but haven't published here yet.
Get connected in Lake SenecaExplore more
Where to go next
Get the Lake Seneca market guide
Tell us what you're looking for — buy, sell, both, invest, rent, or you're an agent, builder, vendor, or advertiser. Include where you want to buy or sell and your address if relevant, and we'll route you to the right resource.
Buyer · Seller · Both · Investor · Renter · Agent/Broker · New Home Builder · Vendor/Service Pro · Advertiser · Other
