Delaware County, Ohio Population 2024

236,516

Delaware County, Ohio's estimated 2024 population is 236,516 with a growth rate of 2.21% in the past year according to the most recent United States census data. Delaware County, Ohio is the 11th largest county in Ohio. The 2010 population was 175,114 and has seen a growth of 35.06% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029262,0665,1101.99%
2028256,9565,1102.03%
2027251,8465,1102.07%
2026246,7365,1102.11%
2025241,6265,1102.16%
2024236,5165,1102.21%
2023231,4065,1102.26%
2022226,2965,1102.31%
2021221,1866,0472.81%
2020215,1395,3712.56%
2019209,7684,4212.15%
2018205,3474,1902.08%
2017201,1573,7151.88%
2016197,4423,8181.97%
2015193,6243,9752.1%
2014189,6494,1042.21%
2013185,5454,3112.38%
2012181,2342,6501.48%
2011178,5843,4701.98%
2010175,11400%
199066,92913,08924.31%
198053,84010,93225.48%
197042,9086,80118.84%
196036,1075,82919.25%
195030,2783,49813.06%
194026,7807642.94%
193026,01630.01%
192026,013-1,169-4.3%
191027,1827812.96%
190026,401-788-2.9%
189027,189-192-0.7%
188027,3812,2068.76%
187025,1751,2735.33%
186023,9022,0859.56%
185021,817-243-1.1%
184022,06010,55691.76%
183011,5043,86550.6%
18207,6395,639281.95%
18102,000-260,066-99.24%
showing: 39 rows
2024 Growth Rate
2.21% (5,110)
County Website
Delaware County
State
Ohio
County Seat
2020 Population
215,139
Area
443 mi²
Density
534 people/mi²
Growth Since 2020
9.94% (21,377)
Founded
February 10, 1808

Delaware County, Ohio Population 2024

Population by Race

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Race
Population
Percentage (of total)
White179,35083%
Asian15,7437.29%
Two or more races10,4314.83%
Black or African American8,5233.94%
Other race1,8190.84%
Native American1310.06%
Native Hawaiian or Pacific Islander770.04%

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Delaware County, Ohio Population by Race

Delaware County, Ohio Population Pyramid 2024

Delaware County, Ohio Median Age

39.8

Total

39.4

Male

40.2

Female

Delaware County, Ohio Adults

There are 161,171 adults, (31,096 of whom are seniors) in Delaware County, Ohio.

Delaware County, Ohio Age Dependency

66.1

Age Dependency Ratio

23.9

Old Age Dependency Ratio

42.2

Child Dependency Ratio

Delaware County, Ohio Sex Ratio

Female107,89949.94%
Male108,17550.06%

Delaware County, Ohio Population by Age

Delaware County, Ohio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All78,4562.7378.921.1
Married50,6523.289.910.1
Non Family18,6051.2256.343.7
Female6,1053.2160.639.4
Male3,0943.1571.128.9

3.13

Average Family Size

2.73

Average Household Size

78.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Delaware County, Ohio Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Delaware County, Ohio Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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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 84.05%.

Delaware County, Ohio Educational Attainment by Race

All

Male

Female

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$73,910

Average Earnings

$91,802

Average Male

$57,527

Average Female

Delaware County, Ohio Earnings by Educational Attainment

Delaware County, Ohio Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Delaware County, Ohio Language

90.05% of Delaware County, Ohio residents speak only English, while 9.95% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.84% of the population.

Delaware County, Ohio Language

Delaware County, Ohio Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White175,0577,0664.04%
Black8,0661,11013.76%
Multiple10,2538258.05%
Hispanic6,1866109.86%
Asian15,6232671.71%
Other1,812955.24%
Islander772127.27%
Native1251612.8%

4.53%

Overall Poverty Rate

3.96%

Male Poverty Rate

5.09%

Female Poverty Rate

Poverty in Delaware County, Ohio

The race most likely to be in poverty in Delaware County, Ohio is Islander, with 27.27% below the poverty level.

The race least likely to be in poverty in Delaware County, Ohio is Asian, with 1.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.77%. Among those working part-time, it was 6.1%, and for those that did not work, the poverty rate was 10.24%.

Delaware County, Ohio Poverty

rate

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Rate
Poverty
Less Than 9th Grade23.65%
High School7.28%
Some College5.42%
Bachelors or Greater1.62%

Delaware County, Ohio Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed21.43%
Male Unemployed9.42%
Female Employed2.23%
Male Employed1.84%

Delaware County, Ohio Poverty Rate by Employment Status and Sex

Delaware County, Ohio Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Delaware County, Ohio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

60.9%

Overall Marriage Rate

62.3%

Male Marriage Rate

59.5%

Female Marriage Rate

Delaware County, Ohio Married by Age and Sex

male

female

Delaware 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 35-44.

Delaware County, Ohio Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Delaware County, Ohio Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

10,036

Number of Veterans

9,196

Male Veterans

840

Female Veterans

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Delaware County, Ohio Veterans by War

count

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Delaware County, Ohio Veterans by Age

count

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Delaware County, Ohio Veterans by Race

Delaware County, Ohio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.58%

Veteran Poverty Rate

21.4%

Veteran Disability Rate

Delaware County, Ohio Veterans by Education

LaborForceParticipation

70.4%

Labor Force Participation

68.1%

Employment Rate

3%

Unemployment Rate

Delaware County, Ohio Employment by Age

LaborForceParticipation

Delaware County, Ohio Employment by Race

LaborForceParticipation

Delaware 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

68.03%

Born in Delaware County, Ohio

91.54%

Native Born

8.46%

Foreign Born

4.07%

Non Citizen

4.39%

Naturalized

Place of Birth

91.54% of Delaware County, Ohio residents were born in the United States, with 68.03% having been born in Ohio. 4.07% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Delaware County, Ohio Place of Birth

Sources