Ottawa County, Ohio Population 2024

39,638

Ottawa County, Ohio's estimated 2024 population is 39,638 with a growth rate of -0.41% in the past year according to the most recent United States census data. Ottawa County, Ohio is the 62nd largest county in Ohio. The 2010 population was 41,359 and has seen a growth of -4.16% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202938,813-165-0.42%
202838,978-165-0.42%
202739,143-165-0.42%
202639,308-165-0.42%
202539,473-165-0.42%
202439,638-165-0.41%
202339,803-165-0.41%
202239,968-198-0.49%
202140,166-130-0.32%
202040,296-236-0.58%
201940,532-287-0.7%
201840,8191670.41%
201740,6521210.3%
201640,531-230-0.56%
201540,761-145-0.35%
201440,906-135-0.33%
201341,041-205-0.5%
201241,246-77-0.19%
201141,323-36-0.09%
201041,35900%
199040,029-47-0.12%
198040,0762,9778.02%
197037,0991,7765.03%
196035,3235,85419.86%
195029,4695,10920.97%
194024,3602511.04%
193024,1091,9168.63%
192022,193-167-0.75%
191022,3601470.66%
190022,2132391.09%
189021,9742,21211.19%
188019,7626,39847.87%
187013,3646,34890.48%
18607,0163,708112.09%
18503,3081,06047.15%
18402,248-36,565-94.21%
2024 Growth Rate
-0.41% (-165)
County Website
Ottawa County
State
Ohio
County Seat
Port Clinton
2020 Population
40,296
Area
255 mi²
Density
155 people/mi²
Growth Since 2020
-1.63% (-658)
Founded
March 6, 1840

Population by Race

Race
Population
Percentage (of total)
White37,58593.11%
Two or more races1,4043.48%
Other race7691.91%
Black or African American3990.99%
Asian1300.32%
Native American760.19%
Native Hawaiian or Pacific Islander40.01%

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Ottawa County, Ohio Population by Race

Ottawa County, Ohio Population Pyramid 2024

Ottawa County, Ohio Median Age

49.8

Total

49.1

Male

50.5

Female

Ottawa County, Ohio Adults

There are 33,171 adults, (10,523 of whom are seniors) in Ottawa County, Ohio.

Ottawa County, Ohio Age Dependency

78.2

Age Dependency Ratio

46.5

Old Age Dependency Ratio

31.8

Child Dependency Ratio

Ottawa County, Ohio Sex Ratio

Female20,09249.77%
Male20,27550.23%

Ottawa County, Ohio Population by Age

Ottawa County, Ohio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All17,9952.282.417.6
Married9,0112.7993.46.6
Non Family6,5911.147228
Female1,5713.1459.740.3
Male8222.5388.111.9

2.74

Average Family Size

2.2

Average Household Size

82.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Ottawa County, Ohio Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,6945.54%
Associates Degree2,9599.68%
Bachelors Degree5,25717.2%
Graduate Degree2,9649.7%
High School Graduate10,86735.55%
Less Than 9th Grade4151.36%
Some College6,41520.98%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Ottawa County, Ohio Educational Attainment by Sex (over 25)

Ottawa County, Ohio Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White28,25126,5007,858
Hispanic1,3741,198106
2+ Races837794137
Other Race53444772
Black29618147
Asian11410480
Native American55370
Islander440

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 70.18%.

Ottawa County, Ohio Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$54,926$83,375$44,250
Graduate Degree$79,909$89,358$76,607
High School Graduate$38,509$48,333$26,118
Less Than 9th Grade$35,000$48,902$17,639
Overall$47,211$57,172$35,122
Some College$45,064$58,271$30,388

$47,211

Average Earnings

$57,172

Average Male

$35,122

Average Female

Ottawa County, Ohio Earnings by Educational Attainment

Ottawa County, Ohio Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Ottawa County, Ohio Language

97.08% of Ottawa County, Ohio residents speak only English, while 2.92% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.56% of the population.

Ottawa County, Ohio Language

Ottawa County, Ohio Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White36,1163,0648.48%
Multiple1,40125418.13%
Hispanic2,156884.08%
Black3818722.83%
Other76791.17%
Native7633.95%

8.77%

Overall Poverty Rate

6.8%

Male Poverty Rate

10.75%

Female Poverty Rate

Poverty in Ottawa County, Ohio

The race most likely to be in poverty in Ottawa County, Ohio is Black, with 22.83% below the poverty level.

The race least likely to be in poverty in Ottawa County, Ohio is Other, with 1.17% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.54%. Among those working part-time, it was 8.78%, and for those that did not work, the poverty rate was 13.19%.

Ottawa County, Ohio Poverty

rate

Rate
Poverty
Less Than 9th Grade18.56%
High School10.54%
Some College5.25%
Bachelors or Greater3.64%

Ottawa County, Ohio Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed41.42%
Male Unemployed25.88%
Female Employed6.79%
Male Employed2.81%

Ottawa County, Ohio Poverty Rate by Employment Status and Sex

Ottawa County, Ohio Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$92,054$117,387
Households$69,515$97,910
Married Families$100,382$-999,999,999
Non Families$43,452$60,687

mean

median

Income by Household Type

Ottawa County, Ohio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.0%

Overall Marriage Rate

54.9%

Male Marriage Rate

55.1%

Female Marriage Rate

Ottawa County, Ohio Married by Age and Sex

male

female

Ottawa County, Ohio Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Ottawa County, Ohio Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Ottawa County, Ohio Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,940

Number of Veterans

2,839

Male Veterans

101

Female Veterans

War
Veterans
Vietnam1,188
Second Gulf War514
First Gulf War351
World War II147
Korea96

Ottawa County, Ohio Veterans by War

count

Age Group
Veterans
65 to 74892
75+824
55 to 64551
35 to 54497
18 to 34176

Ottawa County, Ohio Veterans by Age

count

Name
Veterans
% of Total
White2,8069%
Hispanic1278.54%
Other Race8315.17%
Black164.38%
Native American1420.59%
2+ Races141.61%
Asian75.65%

Ottawa County, Ohio Veterans by Race

Ottawa County, Ohio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.42%

Veteran Poverty Rate

33.55%

Veteran Disability Rate

Ottawa County, Ohio Veterans by Education

LaborForceParticipation

57.7%

Labor Force Participation

55.7%

Employment Rate

3.4%

Unemployment Rate

Ottawa County, Ohio Employment by Age

LaborForceParticipation

Ottawa County, Ohio Employment by Race

LaborForceParticipation

Ottawa County, Ohio Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

83.38%

Born in Ottawa County, Ohio

98.8%

Native Born

1.2%

Foreign Born

0.37%

Non Citizen

0.83%

Naturalized

Place of Birth

98.8% of Ottawa County, Ohio residents were born in the United States, with 83.38% having been born in Ohio. 0.37% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Ottawa County, Ohio Place of Birth

Sources