Seneca County, Ohio Population 2020

Seneca County, Ohio's estimated population is 55,281 with a growth rate of -0.30% in the past year according to the most recent United States census data. Seneca County, Ohio is the 47th largest county in Ohio.

Year Population Growth Growth Rate
201855,207-74-0.13%
201755,281-166-0.30%
201655,447-190-0.34%
201555,637-165-0.30%
201455,802-43-0.08%
201355,845-257-0.46%
201256,102-414-0.73%
201156,516-103-0.18%
201056,619-3,114-5.21%
199059,733-2,168-3.50%
198061,9011,2051.99%
197060,6961,3702.31%
196059,3266,34811.98%
195052,9784,4799.24%
194048,4995581.16%
193047,9414,76511.04%
192043,1767551.78%
191042,4211,2583.06%
190041,1632940.72%
189040,8693,92210.62%
188036,9476,12019.85%
187030,827-41-0.13%
186030,8683,76413.89%
185027,1048,97649.51%
184018,12812,969251.39%
18305,1590.00%

How Many People Live in Seneca County, Ohio?

55,281

Seneca County, Ohio Population Growth

Population by Race

Race Population Percentage
White52,04193.81%
Black or African American1,5442.78%
Two or More Races1,0281.85%
Some Other Race3750.68%
Asian3170.57%
American Indian and Alaska Native1700.31%

Seneca County, Ohio Population Pyramid 2020

Seneca County, Ohio Median Age

39.4


Total

37.6


Male

41.4


Female

Seneca County, Ohio Adults

There are 43,191 adults, (9,434 of whom are seniors) in Seneca County, Ohio.

Seneca County, Ohio Age Dependency

64.3

Age Dependency Ratio

27.9

Old Age Dependency Ratio

36.4

Child Dependency Ratio

Seneca County, Ohio Sex Ratio

Female

27,826

50.16%

Male

27,649

49.84%

Seneca County, Ohio Households and Families

Seneca County, Ohio Renter vs Owner Occupied by Household Type

Seneca County, Ohio Household Types

Type Owner Renter
Married88.4%11.6%
All71.6%28.4%
Non Family59%41%
Male55.5%44.5%
Female49.2%50.8%

71.6%

Rate of Home Ownership

Type Count Average Size Owned
All21,6522.4271.6
Married10,3182.9788.4
Non Family7,5131.2559
Female2,4763.1549.2
Male1,3453.4255.5

2.93

Average Family Size

2.42

Average Household Size

8.3%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Seneca County, Ohio Education

Education Attained Count Percentage
Less Than 9th Grade8822.38%
9th to 12th Grade2,4016.47%
High School Graduate17,09446.08%
Some College7,31119.71%
Associates Degree3,77310.17%
Bachelors Degree3,6539.85%
Graduate Degree1,9865.35%

Seneca County, Ohio Educational Attainment by Race

Name Total High School Bachelors
White34,56331,7145,363
Hispanic1,3611,127157
Black726612
Other Race230154
Asian21114491
Multiple Races20520528
Native American10182

The highest rate of high school graduation is among multiple races people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 43.13%.

Name Average Male Female
Overall$33,905$40,924$26,745
Less Than High School$20,972$26,085$14,643
High School Grad$31,560$36,557$22,500
Some College$33,457$44,428$26,274
Bachelors Degree$41,924$54,599$35,640
Graduate Degree$56,804$62,623$53,986

$33,905

Average Earnings

$40,924

Average Male

$26,745

Average Female

Seneca County, Ohio Language

Seneca County, Ohio Language by Age

Seneca County, Ohio Language

96.09% of Seneca County, Ohio residents speak only English, while 3.91% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.26% of the population.

Seneca County, Ohio Poverty

Seneca County, Ohio Poverty by Race

Name Total In Poverty Poverty Rate
White47,4255,97712.60%
Black1,15460051.99%
Hispanic2,56052920.66%
Multiple93748151.33%
Asian28714048.78%
Native1709153.53%
Other2833713.07%

14.70%

Overall Poverty Rate

13.19%

Male Poverty Rate

16.20%

Female Poverty Rate

Poverty in Seneca County, Ohio

The race most likely to be in poverty in Seneca County, Ohio is Native, with 53.53% below the poverty level.

The race least likely to be in poverty in Seneca County, Ohio is White, with 12.60% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.34%. Among those working part-time, it was 18.08%, and for those that did not work, the poverty rate was 21.45%.

Name Poverty
Less Than High School24.61%
High School9.83%
Some College9.51%
Bachelors or Greater6.82%
Name Poverty
Female Unemployed49.34%
Male Unemployed38.05%
Female Employed8.03%
Male Employed5.29%

Seneca County, Ohio Income

Seneca County, Ohio Income by Household Type

Name Median Mean
Households$49,936$63,846
Families$59,585$72,518
Married Families$71,621$84,865
Non Families$30,956$43,148

Seneca County, Ohio Marital Status

Seneca County, Ohio Marital Status

Marriage Rates

47.2%

Overall Marriage Rate

47.2%

Male Marriage Rate

47.2%

Female Marriage Rate

Seneca County, Ohio Married by Age and Sex

Seneca County, Ohio Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Seneca County, Ohio Marital Status by Race

Seneca County, Ohio Veterans

3,588

Number of Veterans

3,285

Male Veterans

303

Female Veterans

War Veterans
Vietnam1,314
First Gulf War648
Second Gulf War557
Korea416
World War II121
Name Veterans % of Total
White3,4848.54%
Hispanic1327.39%
Indian7946.47%
Other175.69%
Black80.64%

$Seneca County, Ohio Veterans by Education

9.25%

Veteran Poverty Rate

30.84%

Veteran Disability Rate

Seneca County, Ohio Employment Status

61.3%

Labor Force Participation

58.3%

Employment Rate

4.9%

Unemployment Rate

Seneca County, Ohio Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

86.66%

Born in Ohio

98.24%

Native Born

1.76%

Foreign Born

1.10%

Non Citizen

Place of Birth

98.24% of Seneca County, Ohio residents were born in the United States, with 86.66% having been born in Ohio. 1.10% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990