COUNTY · 1990 CENSUS

Seneca County

Ohio · 59,733 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 $26,988. Population has held roughly steady since 2000. 10% of adults hold a bachelor's degree or higher, below the national rate of 20%. Median home value is $47,300.

At a glance

Lower income

below the US median

US median: $30,130

Mid-age

median age 32.6

US median: 33.0

Less educated

10% hold a bachelor's degree

US average: 20%

More affordable

home values down 23%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

59,733

+2%vs 2000

vs 58,683 in 2000

1990 – 2025

Population density

108 / sq mi

+2%vs 2000

vs 106 / sq mi in 2000

US average: 221

Median age

32.6

−10%vs 2000

vs 36.3 in 2000

US average: 33.0

Population, 1990 – 2024

202455K

Section 02

Income & economy

Median household income

$26,988

−7%inflation adjusted, since 2000

vs $38,037 in 2000

US average: $30,130

1990 – 2024

Per capita income

$11,226

−34%vs 2000

vs $17,027 in 2000

US average: $14,340

Poverty rate

10.8%

+1.8 ptsvs 2000

vs 9.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$47,300

−23%inflation adjusted, since 2000

vs $81,100 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$322

−2%inflation adjusted, since 2000

vs $433 in 2000

US average: $450

Owner-occupied

74.0%

−1.2 ptsvs 2000

vs 75.1% in 2000

26.0% rent

Afford Score

1.8

−18%vs 2000

vs 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)

1990

White, non-Hispanic95.9%(57,278)

Black1.8%(1,058)

Hispanic / Latino2.9%(1,749)

Asian0.5%(311)

Other1.8%(1,086)

Diversity Score16.3%(9,754)

Diversity Score

+23%vs 2000

vs 13 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

10.1%

−2.4 ptsvs 2000

vs 12.5% in 2000

US average: 20.3%

High school or higher

75.3%

−7.8 ptsvs 2000

vs 83.1% in 2000

US average: 75.2%

Graduate degree

3.0%

−1.2 ptsvs 2000

vs 4.3% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

19.1 min

+39%vs 2000

vs 13.8 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Seneca County

Head to head

Compare Seneca County to nearby counties

SENECA COUNTY VS

Sandusky County

Income$62,295+131%

Home value$160,700+240%

Population58,655+8%

SEE FULL COMPARISON →

SENECA COUNTY VS

Crawford County

Income$58,044+115%

Home value$136,700+189%

Population41,896−23%

SEE FULL COMPARISON →

SENECA COUNTY VS

Wyandot County

Income$69,768+159%

Home value$163,400+245%

Population21,567−60%

SEE FULL COMPARISON →

SENECA COUNTY VS

Huron County

Income$67,878+152%

Home value$166,000+251%

Population58,250+7%

SEE FULL COMPARISON →

Frequently asked

How many people live in Seneca County, Ohio?

Seneca County, Ohio has about 59,733 residents according to the 1990 Census.

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

The typical household in Seneca County, Ohio earns about $26,988 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 $47,300, and the typical rent is about $322 a month.

How educated are people in Seneca County, Ohio?

About 10.1% 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 10.8% of people in Seneca County, Ohio live below the federal poverty line.

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

How we source and harmonize this data →