Lake SenecaOH
532 people live in this town in Ohio.
Is Lake Seneca a good place to live?
Lake Seneca’s midpoint age is 52.7 years, above both Ohio’s towns (41.7 years) and U.S. towns (40.5 years). No town among the 994 in Ohio we compare has a lower January low than Lake Seneca. Lake Seneca has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
532 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
The data
Ordered by what stands out in Lake Seneca.
Lake Seneca has 0.0 jobs per working resident, so most workers leave town for work
For half of commuters, work is under 15 miles away. Lake Seneca’s average trip to work is 30 minutes. The share of residents in Lake Seneca who live below the poverty line is 6.2%. The top destinations are Bryan (14%), Pioneer (10%) and Montpelier (8%).
| Lake Seneca | Typical Ohio town | Typical U.S. town | |
|---|---|---|---|
| Average trip to work | 30 minutes | 24 minutes | 25 minutes |
| Below the poverty line | 6.2% | 9.1% | 9.6% |
| Median household income | $86,000 | $75,000 | $80,000 |
Where working residents work
Census LEHD 2023 · ACS
Expect four seasons and pleasant summers in Lake Seneca
The midsummer high for Lake Seneca is 83°F.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
Low risk in Lake Seneca, with inland flooding at the top
FEMA puts 52% of Lake Seneca’s expected hazard losses down to inland flooding, and 21% to tornadoes. Expected storm and flood damage is lower than in nearly two thirds of U.S. communities.
FEMA National Risk Index · OpenFEMA
How healthy Lake Seneca is
Lake Seneca: 15% of adults binge drink. Two figures for adults locally: 44% have high blood pressure, 19% smoke cigarettes.
| Lake Seneca | Typical Ohio town | Typical U.S. town | |
|---|---|---|---|
| Diabetes (CDC PLACES) | 17% | 13% | 12% |
| High blood pressure (CDC PLACES) | 44% | 38% | 35% |
| Smoke cigarettes (CDC PLACES) | 19% | 16% | 14% |
| Get no exercise (CDC PLACES) | 33% | 28% | 25% |
| What stands out | Lake Seneca | OH |
|---|---|---|
| More adults with heart disease | 9.5% | 7.1% |
| More adults with COPD | 10.7% | 8% |
| More smokers | 19.4% | 15.4% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Compared with most of Ohio and the rest of the country, more of Lake Seneca’s households are owner-occupiers
Zillow Home Value Index · Redfin Data Center
Everything we know about Lake Seneca
Fun Spot Amusement Park & Zoo and 7 more within 40 miles
Museums, parks, gardens and other places to visit around Lake Seneca. Close and well known come first.
30 mi MuseumAuburn Cord Duesenberg Automobile Museum
38 mi GardenHidden Lake Gardens
19 mi GardenSlayton Arboretum
22 mi MuseumE.O. Grosvenor House
40 mi MuseumGardner HousePhoto credits
Auburn Cord Duesenberg Automobile Museum: Michael Walter, a.k.a. Cuppysfriend, CC BY-SA 3.0 · Hidden Lake Gardens: Dwight Burdette, CC BY 3.0 · Slayton Arboretum: Brother Atticus, CC0 · E.O. Grosvenor House: Unknown authorUnknown author, Public domain · Gardner House: Christopher L. Riley, CC BY-SA 4.0
Moving to Lake Seneca: who provides what
Lake Seneca is unincorporated, so Williams County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.
100% of working residents leave Lake Seneca for work
Where Lake Seneca’s working residents go each day. Line width shows the share.
Census LEHD 2023
Colleges nearby
None within 15 miles of Lake Seneca; the nearest are
About 0 of every 100 Lake Seneca residents are enrolled in college, against 6 across Ohio.
About Lake Seneca
CDP in Ohio, United States
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.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 1.8 sq mi
Questions about Lake Seneca
Short answers, built from the data on this page.
Is Lake Seneca, OH a good place to live?
Lake Seneca has fewer than 1,000 residents, too few for fair grades; the figures below are still real. 532 people live in this town in Ohio.
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