Delaware County, Ohio Population 2021

Delaware County, Ohio's estimated population is 217,349 with a growth rate of 1.92% in the past year according to the most recent United States census data. Delaware County, Ohio is the 14th largest county in Ohio. The 2010 Population was 175,099 and has seen a growth of 24.13% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021217,3494,0861.92%
2020213,2634,0861.95%
2019209,1774,0861.99%
2018205,0914,2212.10%
2017200,8703,7261.89%
2016197,1443,7531.94%
2015193,3913,9512.09%
2014189,4404,0602.19%
2013185,3804,2532.35%
2012181,1272,5921.45%
2011178,5353,4361.96%
2010175,099108,170161.62%
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%
192026,013-1,169-4.30%
191027,1827812.96%
190026,401-788-2.90%
189027,189-192-0.70%
188027,3812,2068.76%
187025,1751,2735.33%
186023,9022,0859.56%
185021,817-243-1.10%
184022,06010,55691.76%
183011,5043,86550.60%
18207,6395,639281.95%
18102,0000.00%
2021 Growth Rate
1.92%
County Website
State
Founded
February 10, 1808
County Seat
2010 Population
175,099
Growth Since 2010
24.13%
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Delaware County, Ohio Population Growth

Population by Race

Race Population Percentage
White175,01487.01%
Asian12,7166.32%
Black or African American6,8453.40%
Two or More Races5,2252.60%
Some Other Race1,0360.52%
American Indian and Alaska Native2500.12%
Native Hawaiian and Other Pacific Islander490.02%
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Delaware County, Ohio Population by Race

Delaware County, Ohio Population Pyramid $2021

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Delaware County, Ohio Median Age

38.8


Total

38.2


Male

39.3


Female

Delaware County, Ohio Adults

There are 147,438 adults, (26,487 of whom are seniors) in Delaware County, Ohio.

Delaware County, Ohio Age Dependency

66.3

Age Dependency Ratio

21.9

Old Age Dependency Ratio

44.4

Child Dependency Ratio

Delaware County, Ohio Sex Ratio

Female

101,435

50.43%

Male

99,700

49.57%

Delaware County, Ohio Population by Age

Delaware County, Ohio Renter vs Owner Occupied by Household Type

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Delaware County, Ohio Household Types

Type Owner Renter
Married91.4%8.6%
All81.4%18.6%
Male74.9%25.1%
Female61.9%38.1%
Non Family60.2%39.8%

81.4%

Rate of Home Ownership

Delaware County, Ohio Households and Families

Type Count Average Size Owned
All69,9852.8481.4
Married46,1263.391.4
Non Family16,2491.2460.2
Female5,2933.461.9
Male2,3173.4374.9

3.26

Average Family Size

2.84

Average Household Size

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Delaware County, Ohio Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,1030.84%
9th to 12th Grade3,6512.77%
High School Graduate24,08418.28%
Some College22,69217.23%
Associates Degree8,6516.57%
Bachelors Degree45,36634.44%
Graduate Degree26,18719.88%
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Delaware County, Ohio Educational Attainment by Sex (over 25)

Delaware County, Ohio Educational Attainment by Race

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Race Total High School Bachelors
White114,521110,98160,495
Asian8,3447,9957,005
Black4,3903,9791,870
Hispanic2,7432,3231,326
2+ Races1,6801,646776
Other Race495366240
Native American939336
Islander493721

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 83.95%.

Delaware County, Ohio Educational Attainment by Race

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Name Average Male Female
Overall$62,013$77,611$46,815
Less Than 9th Grade$27,422$30,284$23,214
High School Graduate$33,755$42,097$28,558
Some College$47,730$56,779$35,868
Bachelors Degree$76,125$96,659$55,120
Graduate Degree$90,152$110,570$71,867

$62,013

Average Earnings

$77,611

Average Male

$46,815

Average Female

Delaware County, Ohio Earnings by Educational Attainment

Delaware County, Ohio Language by Age

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Delaware County, Ohio Language

91.17% of Delaware County, Ohio residents speak only English, while 8.83% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 3.41% of the population.

Delaware County, Ohio Language

Delaware County, Ohio Poverty by Race

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Name Total In Poverty Poverty Rate
White169,1047,4444.40%
Multiple5,05571514.14%
Black6,4175999.33%
Hispanic5,09551410.09%
Asian12,5072612.09%
Other1,027878.47%
Islander491224.49%
Native23552.13%

4.81%

Overall Poverty Rate

4.07%

Male Poverty Rate

5.53%

Female Poverty Rate

Poverty in Delaware County, Ohio

The race most likely to be in poverty in Delaware County, Ohio is Islander, with 24.49% below the poverty level.

The race least likely to be in poverty in Delaware County, Ohio is Asian, with 2.09% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.09%. Among those working part-time, it was 6.72%, and for those that did not work, the poverty rate was 9.51%.

Delaware County, Ohio Poverty

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Name Poverty
Less Than 9th Grade20.20%
High School7.88%
Some College5.15%
Bachelors or Greater1.59%

Delaware County, Ohio Poverty Rate by Education

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Rate Poverty
Female Unemployed22.23%
Male Unemployed10.20%
Female Employed2.95%
Male Employed2.17%

Delaware County, Ohio Poverty Rate by Employment Status and Sex

Delaware County, Ohio Income by Household Type

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Name Median Mean
Households$106,908$134,937
Families$125,501$153,484
Married Families$136,394$163,993
Non Families$47,909$69,048
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Income by Household Type

Delaware County, Ohio Marital Status

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Marriage Rates

61.0%

Overall Marriage Rate

63.1%

Male Marriage Rate

59.0%

Female Marriage Rate

Delaware County, Ohio Married by Age and Sex

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Delaware County, Ohio Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Delaware County, Ohio Marital Status by Race

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Delaware County, Ohio Marital Status

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9,372

Number of Veterans

8,832

Male Veterans

540

Female Veterans

War Veterans
Vietnam3,117
First Gulf War2,291
Second Gulf War1,603
Korea573
World War II331

Delaware County, Ohio Veterans by War

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Age Group Veterans
35 to 542,941
65 to 742,682
75+1,999
55 to 641,246
18 to 34504

Delaware County, Ohio Veterans by Age

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Name Veterans % of Total
White8,8856.84%
Black2725.17%
Hispanic2407.30%
2+ Races1135.52%
Native American3526.12%
Asian280.30%
Other Race274.41%
Islander1224.49%

Delaware County, Ohio Veterans by Race

Delaware County, Ohio Veterans by Education

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3.61%

Veteran Poverty Rate

22.30%

Veteran Disability Rate

Delaware County, Ohio Veterans by Education

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69.6%

Labor Force Participation

67.5%

Employment Rate

2.8%

Unemployment Rate

Delaware County, Ohio Employment by Age

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Delaware County, Ohio Employment by Race

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Delaware County, Ohio Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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68.69%

Born in Delaware County, Ohio

92.38%

Native Born

7.62%

Foreign Born

3.54%

Non Citizen

4.09%

Naturalized

Place of Birth

92.38% of Delaware County, Ohio residents were born in the United States, with 68.69% having been born in Ohio. 3.54% 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

  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

Sources