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COUNTY · 2000 CENSUS

Seneca County

Ohio · 58,683 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 $38,037. Population has held roughly steady since 1990. 12% of adults hold a bachelor's degree or higher, below the national rate of 24%. Median home value has risen by half since 1990, reaching $81,100.

At a glance
Lower income
below the US median
US median: $42,589
Mid-age
median age 36.3
US median: 35.2
Less educated
12% hold a bachelor's degree
US average: 24%
Less affordable
home values up 30%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
58,683
−2%since 1990
from 59,733 in 1990
1990 – 2025
Median age
36.3
+11%since 1990
from 32.6 in 1990
US average: 35.2
Population, 1990 – 2024
54K56K57K59K60K1990201020202024Seneca County
202455K
1990201020202024
Age distribution, 2000
Under 56.2%(3,664)
US avg: 6.8%
5 to 97.3%(4,258)
US avg: 7.3%
10 to 147.6%(4,459)
US avg: 7.3%
15 to 198.3%(4,881)
US avg: 7.2%
20 to 246.9%(4,062)
US avg: 6.7%
25 to 3411.7%(6,879)
US avg: 14.2%
35 to 4415.5%(9,096)
US avg: 16%
45 to 5413.9%(8,128)
US avg: 13.4%
55 to 648.5%(5,005)
US avg: 8.6%
65 to 747.5%(4,389)
US avg: 6.5%
75 to 845%(2,959)
US avg: 4.4%
85 and over1.5%(903)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$38,037
+7%inflation adjusted, since 1990
from $26,988 in 1990
US average: $42,589
1990 – 2024
Per capita income
$17,027
+52%since 1990
from $11,226 in 1990
US average: $21,522
Poverty rate
9.0%
−1.8 ptssince 1990
from 10.8% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$81,100
+30%inflation adjusted, since 1990
from $47,300 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$433
+2%inflation adjusted, since 1990
from $322 in 1990
US average: $602
Owner-occupied
75.1%
+1.2 ptssince 1990
from 74.0% in 1990
24.9% rent
RELATED:See current rent listings in Seneca County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic95.9%(57,278)
Black1.8%(1,058)
Hispanic / Latino2.9%(1,749)
Asian0.5%(311)
2000
White, non-Hispanic93.4%(54,821)
Black1.7%(1,016)
Hispanic / Latino3.4%(1,972)
Asian0.4%(218)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican4.4%(2,396)
Puerto Rican0.7%(365)
Spaniard0.1%(69)
Colombian0.1%(58)
Guatemalan0.1%(52)
Honduran0%(26)
Cuban0%(13)
Asian origin
Korean0.2%(110)
Asian Indian0.2%(110)
Filipino0%(23)
Mongolian0%(18)
Japanese0%(13)
Laotian0%(9)
Chinese0%(5)
Pacific Islander origin
Ancestry
German38.6%(21,154)
Irish10.8%(5,897)
English10.1%(5,536)
American6%(3,268)
Italian4.3%(2,343)
French1.8%(979)
Polish1.7%(910)
Scottish1.2%(632)
Dutch0.7%(368)
Welsh0.5%(275)
Scotch-Irish0.5%(266)
+ 31 more ancestry groups with data
Hungarian0.4%(194)
Swiss0.3%(183)
British0.3%(141)
Nigerian0.3%(137)
Norwegian0.2%(123)
Swedish0.2%(97)
Belgian0.2%(88)
Arab0.2%(83)
Greek0.1%(82)
Austrian0.1%(61)
Palestinian0.1%(58)
Finnish0.1%(57)
Canadian0.1%(48)
Russian0.1%(47)
Romanian0.1%(42)
Kenyan0.1%(41)
Armenian0.1%(40)
Bulgarian0.1%(39)
Portuguese0.1%(39)
Lithuanian0.1%(32)
Czech0.1%(31)
Lebanese0%(25)
Ukrainian0%(21)
Slovak0%(20)
Danish0%(13)
Slovene0%(7)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Mexican population
Section 05

Education

Bachelor's degree or higher
12.5%
+2.4 ptssince 1990
from 10.1% in 1990
US average: 24.4%
High school or higher
83.1%
+7.8 ptssince 1990
from 75.3% in 1990
US average: 80.3%
Graduate degree
4.3%
+1.2 ptssince 1990
from 3.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
13.8 min
−28%since 1990
from 19.1 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married28.3%(6,399)
Married59.7%(13,482)
Widowed2.4%(545)
Divorced9.6%(2,167)
Women 15+
Never married22.3%(5,274)
Married56.6%(13,411)
Widowed10.9%(2,588)
Divorced10.2%(2,414)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
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
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Head to head

Compare Seneca County to nearby counties

SENECA COUNTY VS
Sandusky County
Income$62,295+64%
Home value$160,700+98%
Population58,655+8%
SEE FULL COMPARISON →
SENECA COUNTY VS
Crawford County
Income$58,044+53%
Home value$136,700+69%
Population41,896−23%
SEE FULL COMPARISON →
SENECA COUNTY VS
Wyandot County
Income$69,768+83%
Home value$163,400+101%
Population21,567−60%
SEE FULL COMPARISON →
SENECA COUNTY VS
Huron County
Income$67,878+78%
Home value$166,000+105%
Population58,250+7%
SEE FULL COMPARISON →
Frequently asked

How many people live in Seneca County, Ohio?

Seneca County, Ohio has about 58,683 residents according to the 2000 Census.

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

The typical household in Seneca County, Ohio earns about $38,037 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 $81,100, and the typical rent is about $433 a month.

How educated are people in Seneca County, Ohio?

About 12.5% 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 9.0% 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 1,050 residents, a change of about -2 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

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