The Town FilesLake Seneca, Ohio
Community in Williams County · population 529 (2020 Census)
- Median home
- $193,200
- Household income
- $86,202
- Jan low / Jul high
- 17° / 83°
- Snow a year
- 33 in
- Tornadoes ≤10 mi since 1950
- 15
- Median age
- 52.7
Lake Seneca is a community of 529 people in Williams County, Ohio. The median home is worth $193,200, above the typical Ohio town ($171,100). It ranks better for cycling than 90% of Ohio towns, easier by car than 89% of Ohio towns, better transit than 77% of Ohio towns.
How Lake Seneca ranks
Percentile among Ohio towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Ohio towns.
Homes and cost of living
The median home in Lake Seneca is worth $193,200, above the typical Ohio town ($171,100). Homes cost about 2.2 times the median household income of $86,202, which is more affordable than 79% of Ohio towns. 96.7% of households own their home.
| Housing | Lake Seneca | Typical Ohio town |
|---|---|---|
| Median home value | $193,200 | $171,100 |
| Median rent | — | $914 |
| Median household income | $86,202 | $67,019 |
| Home value ÷ income | 2.2× | 2.6× |
| Homeownership | 96.7% | 71.7% |
| Median year built | 1994 | 1965 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Lake Seneca
| People | Lake Seneca | Typical Ohio town |
|---|---|---|
| Median age | 52.7 | 40.6 |
| Age 65 and over | 34.0% | 19.1% |
| Under 18 | 13.3% | — |
| Bachelor's degree or higher | 12.6% | 21.3% |
| Below the poverty line | 6.2% | 10.3% |
| Veterans | 3.7% | — |
| Born outside the U.S. | 0.0% | — |
| Work from home | 8.8% | 8.6% |
| Average commute | 29.5 min | 23.3 min |
| Homes with broadband | 95.8% | 90.9% |
Weather in Lake Seneca
July highs average 83.4°F and January lows 16.6°F. About 37.9 inches of rain and melted snow fall a year, with 32.5 inches of snow (typical Ohio town: 23.8 in). Expect about 16 days a year at 90°F or hotter and 145 nights at or below freezing.
Tornadoes, storms and disasters
15 tornadoes have passed within 10 miles of Lake Seneca since 1950, compared with 16 for the typical Ohio town. 6 rated (E)F2 or stronger. The strongest, an F3, struck on March 27, 1991 about 4.4 miles from the town center. Tornadoes within 10 miles have caused 1 deaths and 25 injuries since 1950. The most recent was on September 24, 2024.
Hail of 1 inch or larger has been reported within 10 miles 14 times; the largest was 2.00 inches on August 26, 1986.
Severe weather in Williams County since 1996
Williams County has been included in 8 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.
| Declared | Incident | Declaration |
|---|---|---|
| March 31, 2020 | Biological | DR-4507: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3457: Covid-19 |
| June 30, 2012 | Severe Storm | EM-3346: Severe Storms |
| September 13, 2005 | Hurricane | EM-3250: Hurricane Katrina Evacuation |
| September 19, 2004 | Severe Storm | DR-1556: Severe Storms And Flooding |
Jobs and pay in Williams County
Williams County had 16,327 jobs in 2024, paying an average of $51,298 a year. Unemployment was 3.1% in 2023; in Lake Seneca itself the ACS puts it at 0%.
Towns near Lake Seneca
- Amboy, MI4.2 mi · 1,176 people · home $238,100
- Pioneer, OH5.1 mi · 1,429 people · home $152,400
- Montpelier, OH6.3 mi · 3,942 people · home $106,900
- Woodbridge, MI7.5 mi · 1,322 people · home $159,600
- Camden, MI9.1 mi · 2,070 people · home $161,600
- Ransom, MI9.5 mi · 808 people · home $171,100
- Edon, OH9.9 mi · 796 people · home $110,100
- West Unity, OH12.4 mi · 1,763 people · home $110,500
Lake Seneca questions
Is Lake Seneca, Ohio a good place to retire?
On The Town Files lifestyle rankings, Lake Seneca scores better for retirees than 14% of Ohio towns and quieter than 76%. 34.0% of residents are 65 or older (median age 52.7).
How much does a house cost in Lake Seneca?
The median owner-occupied home in Lake Seneca is valued at $193,200 (Census ACS 2020–2024), against a median household income of $86,202, so homes cost about 2.2 times income. Median rent is — a month.
What is the weather like in Lake Seneca?
July highs average 83.4°F and January lows 16.6°F (NOAA 1991–2020 normals). It gets about 37.9 inches of precipitation a year and 32.5 inches of snow.
Does Lake Seneca get tornadoes?
15 tornadoes have passed within 10 miles of Lake Seneca since 1950 (NOAA Storm Events); the strongest was a F3 on March 27, 1991. The typical Ohio town has had 16.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)