United States › Ohio › Seneca County COUNTY · 2010 ACS
Seneca County Ohio · 56,745 residents · 551 sq mi
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The short version
Seneca County is a county of 56,745 people in Ohio. 16% of adults hold a bachelor's degree or higher. Median home value sits at $101,100. 1% of locals were born outside the United States. Owners hold 74% of the housing stock. Renters pay $577 a month at the median.
At a glance
Lower income
below the US median
US median: $52,703
Mid-age
median age 38.8
US median: 37.2
Less educated
16% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 36.3 in 2000
US average: 37.2
Population, 1990 – 2024
54K 56K 57K 59K 60K 1990 2000 2010 2020 2024 Seneca County Age distribution, 2010
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Section 02
Income & economy $42,573
−12%inflation adjusted, since 2000
from $38,037 in 2000
US average: $52,703
from $17,027 in 2000
US average: $27,286
Households earning $100K+
from 22.0% in 2009
US average: 33.3%
from 9.0% in 2000
US average: 13.8%
Workforce by industry, 2010
Professional, scientific, technical 3.8%
Transportation & warehousing 2.3%
Public administration 2.1%
Agriculture, forestry, fishing 2%
Arts, entertainment, food 1.4%
Education & health services 1.1%
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$101,100
−2%inflation adjusted, since 2000
from $81,100 in 2000
US average: $225,659
$577
+5%inflation adjusted, since 2000
from $433 in 2000
US average: $853
from 75.1% in 2000
26.3% rent
from 8.0% in 2009
US average: 12.1%
from 2.43 people in 2009
US average: 2.60
from 20.9% in 2009
US average: 30.9%
from 34.4% in 2009
US average: 46.8%
from 2.3 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 93.4%(54,821)
Hispanic / Latino 3.4%(1,972)
2010
White, non-Hispanic 91.2%(51,739)
Hispanic / Latino 4.4%(2,524)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 26 more ancestry groups with data from 12.5% in 2000
US average: 27.9%
High school or higher
from 83.1% in 2000
US average: 84.9%
from 4.3% in 2000
US average: 10.2%
Section 06
Commute & transportation from 13.8 min in 2000
US average: 25.2
from 84.5% in 2009
US average: 76.2%
from 8.6% in 2009
US average: 10.4%
from 0.3% in 2009
US average: 4.7%
from 2.4% in 2009
US average: 4.1%
from 3.2% in 2009
US average: 2.8%
from 0.2% in 2009
US average: 0.5%
from 4.8% in 2009
US average: 8.7%
Section 07
Work & employment from 12.6% in 2009
US average: 12.9%
from 26.6% in 2009
US average: 35.2%
Section 08
People & community from 1.3% in 2009
US average: 12.8%
from 10.9% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 37.5%(8,482)
Women 15+
Never married 28.2%(6,406)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 11.0% in 2013
US average: 8.4%
from 58.6% in 2020
US average: 54.8%
Direct-purchase
from 14.3% in 2020
US average: 13.8%
from 19.2% in 2020
US average: 18.4%
from 20.7% in 2020
US average: 20.9%
VA health care
from 2.6% in 2020
US average: 2.2%
Any private
from 70.3% in 2020
US average: 67.1%
Any public
from 38.1% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 19.1%(555)
Gulf War (1990s) 17.5%(509)
Share of the 2,912 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Seneca County Head to head
Compare Seneca County to nearby counties SENECA COUNTY VS
Sandusky County
Income $62,295 +46%
Home value $160,700 +59%
Population 58,655 +8%
SEE FULL COMPARISON →
SENECA COUNTY VS
Crawford County
Income $58,044 +36%
Home value $136,700 +35%
Population 41,896 −23%
SEE FULL COMPARISON →
SENECA COUNTY VS
Wyandot County
Income $69,768 +64%
Home value $163,400 +62%
Population 21,567 −60%
SEE FULL COMPARISON →
SENECA COUNTY VS
Huron County
Income $67,878 +59%
Home value $166,000 +64%
Population 58,250 +7%
SEE FULL COMPARISON →
Frequently asked
How many people live in Seneca County, Ohio? Seneca County, Ohio has about 56,745 residents according to the 2010 American Community Survey.
What is the median household income in Seneca County, Ohio? The typical household in Seneca County, Ohio earns about $42,573 a year. Half of households make more than that, and half make less.
Is Seneca County, Ohio expensive? In Seneca County, Ohio, the median home is worth about $101,100, and the typical rent is about $577 a month.
How educated are people in Seneca County, Ohio? About 16.1% of adults age 25 and over in Seneca County, Ohio hold a bachelor's degree or higher.
What is the poverty rate in Seneca County, Ohio? About 11.9% of people in Seneca County, Ohio live below the federal poverty line.
Has Seneca County, Ohio grown since 1990? Yes, Seneca County, Ohio has shrunk since 1990. The population has lost about 2,988 residents, a change of about -5 percent over that period.
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