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COUNTY

Seneca County

Ohio · 54,522 residents (2025 est.) · 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 $66,025. Population has declined 7% since 2000. 21% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $154,700.

At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 40.2
US median: 38.9
Less educated
21% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
54,770
−7%since 2000
from 58,683 in 2000
1990 – 2025
Population density
99 / sq mi
−7%since 2000
from 106 / sq mi in 2000
US average: 281
Median age
40.2
+11%since 2000
from 36.3 in 2000
US average: 38.9

PEP 2025 EST:54,522 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
54K56K57K59K60K1990201020202024Seneca County
202455K
1990201020202024
Section 02

Income & economy

Median household income
$66,025
−5%inflation adjusted, since 2000
from $38,037 in 2000
US average: $82,259
1990 – 2024
Per capita income
$33,984
+100%since 2000
from $17,027 in 2000
US average: $44,673
Households earning $100K+
43.7%
+21.7 ptssince 2009
from 22.0% in 2009
US average: 53.3%
Poverty rate
11.9%
+2.9 ptssince 2000
from 9.0% in 2000
US average: 12.5%
Income inequality (Gini)
0.424
+7%since 2010
from 0.396 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade26.4%
US avg: 9.9%
Information9.3%
US avg: 10.8%
Wholesale trade5.9%
US avg: 6.9%
Finance & insurance5.1%
US avg: 5.9%
Professional, scientific, technical4.3%
US avg: 5.1%
Other services3.3%
US avg: 6.7%
Public administration2.5%
US avg: 4.8%
Agriculture, forestry, fishing2.2%
US avg: 1.6%
Construction2%
US avg: 1.2%
Transportation & warehousing1.9%
US avg: 2.2%
Arts, entertainment, food1.4%
US avg: 1.9%
Education & health services0.8%
US avg: 0.9%
Manufacturing0.2%
US avg: 0.4%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$154,700
+5%inflation adjusted, since 2000
from $81,100 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$856
+9%inflation adjusted, since 2000
from $433 in 2000
US average: $1,442
Owner-occupied
73.4%
−1.8 ptssince 2000
from 75.1% in 2000
26.6% rent
Vacancy rate
7.1%
−0.9 ptssince 2009
from 8.0% in 2009
US average: 10.0%
Owner cost-burdened
13.3%
−7.6 ptssince 2009
from 20.9% in 2009
US average: 22.9%
Renter cost-burdened
36.9%
+2.5 ptssince 2009
from 34.4% in 2009
US average: 47.4%
Afford Score
2.3
+10%since 2000
from 2.1 in 2000
1990 – 2024
Gentrification Score
39
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%
2024
White, non-Hispanic87.8%(48,097)
Black2.4%(1,299)
Hispanic / Latino5.7%(3,123)
Asian0.5%(288)
Other3.6%(1,963)
Diversity Score28%(15,315)
Segregation Score26.1%(14,320)
Diversity Score
28
+111%since 2000
from 13 in 2000
1990 – 2024
Segregation Score
26
−10%since 2020
from 29 in 2020
Section 05

Education

Bachelor's degree or higher
20.6%
+8.1 ptssince 2000
from 12.5% in 2000
US average: 35.6%
High school or higher
93.3%
+10.3 ptssince 2000
from 83.1% in 2000
US average: 89.6%
Graduate degree
7.6%
+3.3 ptssince 2000
from 4.3% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
20.7 min
+50%since 2000
from 13.8 min in 2000
US average: 26.5
Drive alone to work
81.6%
−2.9 ptssince 2009
from 84.5% in 2009
US average: 68.9%
Carpooled to work
7.4%
−1.2 ptssince 2009
from 8.6% in 2009
US average: 8.5%
Public transit
0.2%
−0.1 ptssince 2009
from 0.3% in 2009
US average: 3.2%
Worked from home
5.9%
+3.5 ptssince 2009
from 2.4% in 2009
US average: 15.0%
Walked to work
4.0%
+0.8 ptssince 2009
from 3.2% in 2009
US average: 2.4%
Biked to work
0.1%
−0.1 ptssince 2009
from 0.2% in 2009
US average: 0.4%
No vehicle available
6.1%
+1.4 ptssince 2009
from 4.8% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.6%
−7.1 ptssince 2011
from 10.7% in 2011
US average: 5.2%
Labor force participation
61.5%
−2.6 ptssince 2011
from 64.1% in 2011
US average: 63.5%
Self-employed
12.4%
−0.1 ptssince 2009
from 12.6% in 2009
US average: 13.1%
Management & professional
32.3%
−27.4 ptssince 2009
from 59.6% in 2009
US average: 42.5%
Section 08

People & community

Male
50.2%
+0.7 ptssince 2009
from 49.5% in 2009
Female
49.8%
−0.7 ptssince 2009
from 50.5% in 2009
Foreign born
1.2%
−0.1 ptssince 2009
from 1.3% in 2009
US average: 14.1%
Veterans
6.8%
−42.1 ptssince 2009
from 48.9% in 2009
US average: 6.2%
With a disability
15.2%
+1.2 ptssince 2012
from 14.0% in 2012
US average: 13.3%
Uninsured
5.3%
−83.7 ptssince 2013
from 89.0% in 2013
US average: 8.4%
Broadband at home
88.1%
+14.3 ptssince 2017
from 73.8% in 2017
US average: 91.0%
English only at home
97.4%
+0.5 ptssince 2016
from 96.9% in 2016
US average: 77.7%
Spanish at home
1.6%
−0.2 ptssince 2016
from 1.8% in 2016
US average: 13.6%
Drill deeper

Places similar to Seneca County

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Pop 54,420
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Pop 54,121
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Pop 56,953
Habersham County
Pop 50,416
Places similar to Seneca County
Head to head

Compare Seneca County to nearby counties

SENECA COUNTY VS
Sandusky County
Income$62,295−6%
Home value$160,700+4%
Population58,655+8%
SEE FULL COMPARISON →
SENECA COUNTY VS
Crawford County
Income$58,044−12%
Home value$136,700−12%
Population41,896−23%
SEE FULL COMPARISON →
SENECA COUNTY VS
Wyandot County
Income$69,768+6%
Home value$163,400+6%
Population21,567−60%
SEE FULL COMPARISON →
SENECA COUNTY VS
Huron County
Income$67,878+3%
Home value$166,000+7%
Population58,250+7%
SEE FULL COMPARISON →
Frequently asked

How many people live in Seneca County, Ohio?

Seneca County, Ohio has about 54,770 residents according to the 2024 American Community Survey.

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

The typical household in Seneca County, Ohio earns about $66,025 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 $154,700, and the typical rent is about $856 a month.

How educated are people in Seneca County, Ohio?

About 20.6% 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 4,963 residents, a change of about -8 percent over that period.

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Explore from here

14 census tracts
Census Tract 9637Census Tract 9634Census Tract 9629Census Tract 9631Census Tract 9635Census Tract 9636Census Tract 9638Census Tract 9632Census Tract 9633Census Tract 9625Census Tract 9626Census Tract 9627Census Tract 9628Census Tract 9630
14 ZIP codes
ZIP 44883ZIP 44830ZIP 44836ZIP 44867ZIP 44807ZIP 44818ZIP 44853ZIP 44802ZIP 44844ZIP 44815ZIP 44841ZIP 44828ZIP 44809ZIP 44861
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →