Seneca County, OH Population Statistics: Density Map Data
Analyze local population trends, population density map, housing costs, and the local economy.
Area Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
Population: density and quick facts
| Metric | Seneca County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Population | 54,621 | 11,704,233 | 334,821,731 |
| Population density (per sq mi) | 98.8 | 261.1 | 85.8 |
| Population growth (%/yr) | -0.22% | 0.22% | 0.57% |
| Median age | 40.9 | 38.4 | 37.1 |
| Households | 22,099 | 4,820,926 | 128,459,983 |
Population in Seneca County declined by 3.3% from 2009 to 2023, reaching 54,861 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
Seneca County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Seneca County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Median household income | $65,456 | $69,785 | $78,145 |
| Income growth (%/yr) | 4.38% | 4.66% | 5.07% |
| Unemployment rate | 3.9% | 4.8% | 5.2% |
The median household income in Seneca County is about 6% lower than in Ohio.
Housing
| Metric | Seneca County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Median home price | $99,193 | $130,696 | $242,182 |
| Median rent | $814 | $987 | $1,342 |
| Homeownership rate | 73.4% | 67.0% | 65.1% |
The median home price in Seneca County is about 10.2 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $814 per month for that long.
Commute Time & Mobility
Commuters in Seneca County spend about 34 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 144 hours, about 6.0 full days, spent commuting.
| Metric | Seneca County | Ohio Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 17.2 | 21.2 | 22.5 |
| Round-trip commute (min) | 34.5 | 42.4 | 44.9 |
| Yearly time spent (hours) | 144 | 177 | 187 |
| Estimated yearly cost | $4,453 | $5,472 | $5,803 |
| Work from home | 5.0% | 11.5% | 13.4% |
| Highway traffic (vehicles/day) | 6,609 | 8,648 | 8,813 |
| Local road traffic (vehicles/day) | 673 | 1,212 | 1,355 |
Fastest commutes among counties in
Ohio:
Van Wert County (15.4 min), Hancock County (15.4 min), Mercer County (16.3 min).
Slowest:
Morgan County (33.4 min), Brown County (31.6 min), Morrow County (31.6 min).
The average commute time in Seneca County is 17 minutes, shorter than the 21 minutes in Ohio.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Seneca County has a education index of D, which means it is barely educated.
| Metric | Seneca County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 17.4% | 28.1% | 31.6% |
| Average household size | 2.36 | 2.38 | 2.54 |
Highest education index among counties in
Ohio:
Delaware County (0.4), Warren County (0.4), Greene County (0.3).
Lowest:
Holmes County (0.1), Vinton County (0.2), Noble County (0.2).
Health
Seneca County has a health index of B, which means it is quite healthy.
| Metric | Seneca County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.4 | 77.0 | 78.3 |
| Self-rated poor health | 16.2% | 17.2% | 16.3% |
| Smokers | 23.8% | 24.3% | 19.0% |
Highest health index among counties in
Ohio:
Delaware County (0.8), Union County (0.8), Warren County (0.8).
Lowest:
Adams County (0.8), Holmes County (0.8), Scioto County (0.8).
Frequently Asked Questions
Common questions about Seneca County, Ohio.
What is the population of Seneca County, Ohio?
The population of Seneca County, Ohio is 54,621, compared to the U.S. total of 334,821,731.
What is the population density of Seneca County, Ohio?
The population density of Seneca County, Ohio is 98.8 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in Seneca County, Ohio?
The median household income in Seneca County, Ohio is $65,456, compared to the U.S. median of $78,145.
What is the median home price in Seneca County, Ohio?
The median home price in Seneca County, Ohio is $99,193, compared to the U.S. median of $242,182.
What is the unemployment rate in Seneca County, Ohio?
The unemployment rate in Seneca County, Ohio is 3.9%, compared to the U.S. average of 5.2%.