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COUNTY · 2010 ACS

Seneca County

Ohio · 56,745 residents · 551.026 sq mi
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The short version

Seneca County has lower-than-average household income, with a median household income of $42,573. Population has declined 3% since 2000. 16% of adults hold a bachelor's degree or higher, below the national rate of 28%. Median home value is $101,100.

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

56,745
−3%since 2000
from 58,683 in 2000
1990 – 2025
103 / sq mi
−3%since 2000
from 106 / sq mi in 2000
US average: 261
38.8
+7%since 2000
from 36.3 in 2000
US average: 37.2
Population, 19902024
54K56K57K59K60K1990201020202024Seneca County
202455K
1990201020202024
Section 02

Income & economy

$42,573
−12%inflation adjusted, since 2000
from $38,037 in 2000
US average: $52,703
1990 – 2024
$20,976
+23%since 2000
from $17,027 in 2000
US average: $27,286
Households earning $100K+
21.0%
−1.0 ptssince 2009
from 22.0% in 2009
US average: 33.3%
11.9%
+3.0 ptssince 2000
from 9.0% in 2000
US average: 13.8%
0.396
US average: 0.461
Workforce by industry, 2010
Retail trade25.5%
US avg: 10.9%
Information13%
US avg: 11.5%
Wholesale trade5.6%
US avg: 7.2%
Finance & insurance4.9%
US avg: 5.1%
Professional, scientific, technical3.8%
US avg: 4.2%
Other services2.8%
US avg: 7%
Transportation & warehousing2.3%
US avg: 3.1%
Public administration2.1%
US avg: 4.9%
Agriculture, forestry, fishing2%
US avg: 1.9%
Construction1.6%
US avg: 1.4%
Arts, entertainment, food1.4%
US avg: 2.4%
Education & health services1.1%
US avg: 0.9%
Manufacturing0.4%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$101,100
−2%inflation adjusted, since 2000
from $81,100 in 2000
US average: $225,659
1990 – 2024
$577
+5%inflation adjusted, since 2000
from $433 in 2000
US average: $853
45.6%
−29.5 ptssince 2000
from 75.1% in 2000
26.3% rent
8.6%
+0.6 ptssince 2009
from 8.0% in 2009
US average: 12.1%
20.4%
−0.5 ptssince 2009
from 20.9% in 2009
US average: 30.9%
35.6%
+1.2 ptssince 2009
from 34.4% in 2009
US average: 46.8%
2.4
+11%since 2000
from 2.1 in 2000
1990 – 2024
RELATED:See current rent listings in Seneca County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic93.4%(54,821)
Black1.7%(1,016)
Hispanic / Latino3.4%(1,972)
Asian0.4%(218)
Other0%
Diversity Score13.2%(7,773)
2010
White, non-Hispanic91.2%(51,739)
Black2.2%(1,227)
Hispanic / Latino4.4%(2,524)
Asian0.6%(321)
Other1.5%(824)
Diversity Score20.3%(11,542)
20
+54%since 2000
from 13 in 2000
1990 – 2024
Section 05

Education

16.1%
+3.7 ptssince 2000
from 12.5% in 2000
US average: 27.9%
High school or higher
87.5%
+4.4 ptssince 2000
from 83.1% in 2000
US average: 84.9%
6.3%
+2.1 ptssince 2000
from 4.3% in 2000
US average: 10.2%
Section 06

Commute & transportation

19.9 min
+44%since 2000
from 13.8 min in 2000
US average: 25.2
85.4%
+0.8 ptssince 2009
from 84.5% in 2009
US average: 76.2%
8.2%
−0.4 ptssince 2009
from 8.6% in 2009
US average: 10.4%
0.2%
−0.1 ptssince 2009
from 0.3% in 2009
US average: 4.7%
2.2%
−0.2 ptssince 2009
from 2.4% in 2009
US average: 4.1%
2.7%
−0.5 ptssince 2009
from 3.2% in 2009
US average: 2.8%
0.7%
+0.5 ptssince 2009
from 0.2% in 2009
US average: 0.5%
5.2%
+0.4 ptssince 2009
from 4.8% in 2009
US average: 8.7%
Section 07

Work & employment

12.2%
−0.4 ptssince 2009
from 12.6% in 2009
US average: 12.9%
25.7%
−33.9 ptssince 2009
from 59.6% in 2009
US average: 35.2%
Section 08

People & community

49.8%
+0.3 ptssince 2009
from 49.5% in 2009
50.2%
−0.3 ptssince 2009
from 50.5% in 2009
1.4%
+0.1 ptssince 2009
from 1.3% in 2009
US average: 12.8%
11.6%
−37.3 ptssince 2009
from 48.9% in 2009
US average: 9.9%
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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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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