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COUNTY · 2020 ACS

Seneca County

Ohio · 55,069 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 $52,897. Population has declined 6% since 2000. 17% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value is $108,900.

At a glance
Lower income
below the US median
US median: $66,278
Mid-age
median age 40.6
US median: 38.8
Less educated
17% hold a bachelor's degree
US average: 33%
More affordable
home values down 11%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

55,069
−6%since 2000
from 58,683 in 2000
1990 – 2025
100 / sq mi
−6%since 2000
from 106 / sq mi in 2000
US average: 280
40.6
+12%since 2000
from 36.3 in 2000
US average: 38.8
Population, 19902024
54K56K57K59K60K1990201020202024Seneca County
202455K
1990201020202024
Section 02

Income & economy

$52,897
−7%inflation adjusted, since 2000
from $38,037 in 2000
US average: $66,278
1990 – 2024
$26,810
+57%since 2000
from $17,027 in 2000
US average: $35,364
Households earning $100K+
32.0%
+10.0 ptssince 2009
from 22.0% in 2009
US average: 43.9%
12.7%
+3.7 ptssince 2000
from 9.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade28.6%
US avg: 10%
Information10.5%
US avg: 11.1%
Wholesale trade6.8%
US avg: 6.7%
Finance & insurance5.3%
US avg: 5.5%
Professional, scientific, technical4.6%
US avg: 4.7%
Other services2.8%
US avg: 6.6%
Public administration2.2%
US avg: 4.7%
Transportation & warehousing2%
US avg: 2.5%
Agriculture, forestry, fishing1.6%
US avg: 1.7%
Construction1.4%
US avg: 1.2%
Education & health services0.8%
US avg: 0.8%
Arts, entertainment, food0.7%
US avg: 2%
Manufacturing0.2%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

$108,900
−11%inflation adjusted, since 2000
from $81,100 in 2000
US average: $265,253
1990 – 2024
$699
+7%inflation adjusted, since 2000
from $433 in 2000
US average: $1,124
71.7%
−3.4 ptssince 2000
from 75.1% in 2000
28.3% rent
2.1
−3%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)
Segregation Score0%
2020
White, non-Hispanic87.6%(48,213)
Black2.4%(1,314)
Hispanic / Latino5.3%(2,899)
Asian0.7%(359)
Other1.8%(1,013)
Diversity Score24.1%(13,281)
Segregation Score29%(15,948)
24
+82%since 2000
from 13 in 2000
1990 – 2024
Section 05

Education

17.3%
+4.9 ptssince 2000
from 12.5% in 2000
US average: 32.9%
High school or higher
92.1%
+9.0 ptssince 2000
from 83.1% in 2000
US average: 88.5%
6.0%
+1.7 ptssince 2000
from 4.3% in 2000
US average: 12.7%
Section 06

Commute & transportation

21.2 min
+54%since 2000
from 13.8 min in 2000
US average: 26.9
82.0%
−2.5 ptssince 2009
from 84.5% in 2009
US average: 75.1%
6.4%
+1.6 ptssince 2009
from 4.8% in 2009
US average: 8.4%
Section 07

Work & employment

4.2%
−6.5 ptssince 2011
from 10.7% in 2011
US average: 5.4%
62.0%
−2.1 ptssince 2011
from 64.1% in 2011
US average: 63.4%
27.3%
−32.3 ptssince 2009
from 59.6% in 2009
US average: 39.3%
Section 08

People & community

50.2%
+0.8 ptssince 2009
from 49.5% in 2009
49.8%
−0.8 ptssince 2009
from 50.5% in 2009
2.1%
+0.7 ptssince 2009
from 1.3% in 2009
US average: 13.5%
5.4%
−83.6 ptssince 2013
from 89.0% in 2013
US average: 8.8%
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Frequently asked

How many people live in Seneca County, Ohio?

Seneca County, Ohio has about 55,069 residents according to the 2020 American Community Survey.

What is the median household income in Seneca County, Ohio?

The typical household in Seneca County, Ohio earns about $52,897 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 $108,900, and the typical rent is about $699 a month.

How educated are people in Seneca County, Ohio?

About 17.3% 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 12.7% 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 4,664 residents, a change of about -8 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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