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COUNTY

Delaware County

Ohio · 242,032 residents (2025 est.) · 443 sq mi
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Part of the Columbus metro area
The short version

Delaware County is home to 226,834 people in Ohio. That is roughly 87% ahead of the Ohio median. Since 2000 the county has more than doubled, up 116,845 people. 59% of adults hold a bachelor's degree, against 36% nationally. That puts it in the top 1% of US counties for household income. Households take in $133,540 a year at the median, 62% more than the country as a whole.

At a glance
Wealthier
above the US median
US median: $82,259
Mid-age
median age 40.1
US median: 38.9
More educated
59% hold a bachelor's degree
US average: 36%
Less affordable
home values up 30%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
226,834
+106%since 2000
from 109,989 in 2000
242,032 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
512 / sq mi
+42%since 2009
from 361 / sq mi in 2009
US average: 281
Median age
40.1
+14%since 2000
from 35.3 in 2000
US average: 38.9
Land area
443 sq mi
Population, 1990 – 2024
51K99K147K195K243K19902000201020202024Delaware County
2024227K
1990201020202024
Age distribution, 2024
Under 55.6%(12,622)
US avg: 5.6%
5 to 96.8%(15,330)
US avg: 6%
10 to 147.7%(17,563)
US avg: 6.4%
15 to 197.2%(16,408)
US avg: 6.6%
20 to 245.6%(12,802)
US avg: 6.5%
25 to 349.8%(22,247)
US avg: 13.7%
35 to 4415.3%(34,693)
US avg: 13.2%
45 to 5414.9%(33,720)
US avg: 12.2%
55 to 6412%(27,284)
US avg: 12.7%
65 to 749.2%(20,970)
US avg: 10.2%
75 to 844.3%(9,816)
US avg: 5.1%
85 and over1.5%(3,379)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$133,540
+9%inflation adjusted, since 2000
from $67,258 in 2000
US average: $82,259
1990 – 2024
Per capita income
$61,395
+94%since 2000
from $31,600 in 2000
US average: $44,673
Households earning $100K+
73.6%
+16.9 ptssince 2009
from 56.8% in 2009
US average: 53.3%
Poverty rate
4.7%
+0.8 ptssince 2000
from 3.8% in 2000
US average: 12.5%
Income inequality (Gini)
0.419
−3%since 2010
from 0.431 in 2010
US average: 0.476
Workforce by industry, 2024
Other services13.3%
US avg: 6.7%
Public administration11.1%
US avg: 4.8%
Information9.6%
US avg: 10.8%
Retail trade9.2%
US avg: 9.9%
Wholesale trade4.3%
US avg: 6.9%
Finance & insurance4.1%
US avg: 5.9%
Professional, scientific, technical2.8%
US avg: 5.1%
Transportation & warehousing2.1%
US avg: 2.2%
Arts, entertainment, food2%
US avg: 1.9%
Education & health services1.3%
US avg: 0.9%
Agriculture, forestry, fishing0.5%
US avg: 1.6%
Construction0.4%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$445,500
+30%inflation adjusted, since 2000
from $188,000 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,492
+28%inflation adjusted, since 2000
from $639 in 2000
US average: $1,442
Owner-occupied
78.5%
−1.9 ptssince 2000
from 80.4% in 2000
21.5% rent
Vacancy rate
4.6%
−0.6 ptssince 2009
from 5.2% in 2009
US average: 10.0%
Persons per household
2.73 people
+1%since 2009
from 2.70 people in 2009
US average: 2.54
Owner cost-burdened
16.1%
−9.6 ptssince 2009
from 25.7% in 2009
US average: 22.9%
Renter cost-burdened
39.5%
+0.7 ptssince 2009
from 38.8% in 2009
US average: 47.4%
Afford Score
3.3
+14%since 2009
from 2.9 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
65
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic93.6%(102,943)
Black2.5%(2,743)
Hispanic / Latino1%(1,109)
Asian1.5%(1,684)
Other0%
2024
White, non-Hispanic79.2%(179,540)
Black4.3%(9,834)
Hispanic / Latino3.5%(7,899)
Asian8.6%(19,472)
Other4.4%(10,089)
Diversity Score
45
+74%since 2009
from 26 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
25
−3%since 2020
from 26 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.2%(2,680)
Puerto Rican0.8%(1,716)
South American0.6%(1,376)
Central American0.5%(1,208)
Peruvian0.3%(602)
Salvadoran0.3%(591)
Venezuelan0.2%(354)
Spaniard0.1%(294)
Colombian0.1%(293)
Costa Rican0.1%(218)
Honduran0.1%(157)
Cuban0%(103)
+ 5 more hispanic origin groups with data
Asian origin
Asian Indian5%(11,353)
Chinese1.3%(2,965)
Vietnamese0.7%(1,656)
Korean0.4%(864)
Japanese0.2%(426)
Filipino0.2%(409)
Pakistani0.2%(350)
Bangladeshi0.1%(149)
Nepalese0.1%(143)
Sri Lankan0%(113)
Taiwanese0%(100)
Thai0%(97)
+ 7 more asian origin groups with data
Laotian0%(64)
Uzbek0%(46)
Bhutanese0%(41)
Mongolian0%(29)
Hmong0%(27)
Malaysian0%(24)
Pacific Islander origin
Chamorro0%(38)
Samoan0%(30)
Ancestry
German25.4%(57,612)
English14.7%(33,403)
Irish14.6%(33,038)
Italian6.7%(15,285)
American4.5%(10,152)
Scottish3%(6,832)
Polish2.9%(6,600)
French1.9%(4,366)
Welsh1.4%(3,171)
Swedish1.1%(2,590)
Scotch-Irish1%(2,349)
+ 49 more ancestry groups with data
Hungarian0.9%(2,105)
Dutch0.8%(1,891)
Slovak0.8%(1,736)
Norwegian0.7%(1,625)
Arab0.6%(1,392)
Greek0.6%(1,387)
British0.5%(1,192)
Swiss0.5%(1,163)
Russian0.4%(946)
Czech0.4%(887)
Somali0.3%(739)
Lebanese0.3%(715)
Ukrainian0.3%(708)
Canadian0.3%(615)
Brazilian0.2%(532)
Croatian0.2%(498)
Slovene0.2%(427)
Ethiopian0.2%(420)
Lithuanian0.2%(410)
Danish0.2%(392)
Finnish0.2%(370)
Nigerian0.1%(325)
Romanian0.1%(304)
Turkish0.1%(304)
Iranian0.1%(278)
Austrian0.1%(253)
Serbian0.1%(231)
Macedonian0.1%(230)
Ghanaian0.1%(203)
West Indian0.1%(202)
Portuguese0.1%(197)
Egyptian0.1%(178)
Syrian0.1%(147)
Belgian0.1%(143)
Armenian0.1%(135)
Bulgarian0%(93)
Jordanian0%(88)
Latvian0%(78)
Jamaican0%(69)
Haitian0%(63)
Kenyan0%(55)
Israeli0%(44)
Guyanese0%(40)
Iraqi0%(12)
Section 05

Education

Bachelor's degree or higher
59.4%
+18.4 ptssince 2000
from 41.0% in 2000
US average: 35.6%
High school or higher
97.1%
+4.2 ptssince 2000
from 92.9% in 2000
US average: 89.6%
Graduate degree
24.0%
+11.1 ptssince 2000
from 12.9% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
25.4 min
+47%since 2000
from 17.3 min in 2000
US average: 26.5
Drive alone to work
67.9%
−16.1 ptssince 2009
from 83.9% in 2009
US average: 68.9%
Carpooled to work
4.2%
−2.5 ptssince 2009
from 6.7% in 2009
US average: 8.5%
Public transit
0.1%
−0.2 ptssince 2009
from 0.3% in 2009
US average: 3.2%
Worked from home
25.9%
+19.2 ptssince 2009
from 6.7% in 2009
US average: 15.0%
Walked to work
1.3%
+0.1 ptssince 2009
from 1.2% in 2009
US average: 2.4%
Biked to work
0.1%
Unchangedsince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
3.2%
+0.9 ptssince 2009
from 2.3% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
3.0%
−1.5 ptssince 2011
from 4.5% in 2011
US average: 5.2%
Labor force participation
69.9%
−3.1 ptssince 2011
from 73.0% in 2011
US average: 63.5%
Women 20-64 in the labor force
79.2%
+2.1 ptssince 2020
from 77.1% in 2020
US average: 74.6%
Self-employed
14.1%
+1.5 ptssince 2009
from 12.6% in 2009
US average: 13.1%
Management & professional
58.5%
+9.7 ptssince 2009
from 48.8% in 2009
US average: 42.5%
Section 08

People & community

Male
50.0%
+0.2 ptssince 2009
from 49.8% in 2009
Female
50.0%
−0.2 ptssince 2009
from 50.2% in 2009
Foreign born
9.7%
+4.9 ptssince 2009
from 4.8% in 2009
US average: 14.1%
Veterans
5.9%
−2.8 ptssince 2009
from 8.8% in 2009
US average: 6.2%
With a disability
8.4%
+1.6 ptssince 2012
from 6.8% in 2012
US average: 13.3%
Uninsured
4.7%
−0.6 ptssince 2013
from 5.3% in 2013
US average: 8.4%
Broadband at home
96.0%
+5.6 ptssince 2017
from 90.4% in 2017
US average: 91.0%
Computer in household
97.9%
+0.6 ptssince 2020
from 97.3% in 2020
US average: 95.5%
Same house as last year
89.4%
+0.9 ptssince 2020
from 88.5% in 2020
US average: 87.7%
English only at home
88.7%
−3.4 ptssince 2016
from 92.0% in 2016
US average: 77.7%
Spanish at home
2.0%
+0.4 ptssince 2016
from 1.6% in 2016
US average: 13.6%
Marital status
Men 15+
Never married28.3%(25,546)
Married61.9%(55,870)
Widowed2.1%(1,892)
Divorced7.7%(6,911)
Women 15+
Never married23.8%(21,706)
Married59.8%(54,453)
Widowed5.9%(5,364)
Divorced10.5%(9,577)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
4.7%
−0.6 ptssince 2013
from 5.3% in 2013
US average: 8.4%
Employer-based
74.2%
−0.5 ptssince 2020
from 74.7% in 2020
US average: 54.8%
Direct-purchase
12.2%
−0.8 ptssince 2020
from 13.0% in 2020
US average: 13.8%
Medicare
14.9%
+1.1 ptssince 2020
from 13.8% in 2020
US average: 18.4%
Medicaid
6.9%
+0.3 ptssince 2020
from 6.6% in 2020
US average: 20.9%
VA health care
1.4%
−0.1 ptssince 2020
from 1.5% in 2020
US average: 2.2%
Any private
84.4%
−1.0 ptssince 2020
from 85.4% in 2020
US average: 67.1%
Any public
21.1%
+1.2 ptssince 2020
from 19.9% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)26.7%(2,703)
US avg: 26.4%
Gulf War (1990s)25.5%(2,583)
US avg: 24.3%
Vietnam era33.4%(3,380)
US avg: 33.1%
Korean War4%(409)
US avg: 4.5%
World War II0.8%(77)
US avg: 1%

Share of the 10,113 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Pop 253,694
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Pop 282,805
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Pop 302,883
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Pop 258,852
Places similar to Delaware County
Head to head

Compare Delaware County to nearby counties

DELAWARE COUNTY VS
Union County
Income$112,322−16%
Home value$344,900−23%
Population73,446−70%
SEE FULL COMPARISON →
DELAWARE COUNTY VS
Morrow County
Income$75,283−44%
Home value$222,300−50%
Population36,305−85%
SEE FULL COMPARISON →
DELAWARE COUNTY VS
Franklin County
Income$75,176−44%
Home value$288,400−35%
Population1,361,536+463%
SEE FULL COMPARISON →
DELAWARE COUNTY VS
Marion County
Income$59,371−56%
Home value$156,800−65%
Population65,115−73%
SEE FULL COMPARISON →
Frequently asked

How many people live in Delaware County, Ohio?

Delaware County, Ohio has about 226,834 residents according to the 2024 American Community Survey.

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

The typical household in Delaware County, Ohio earns about $133,540 a year. Half of households make more than that, and half make less.

Is Delaware County, Ohio expensive?

In Delaware County, Ohio, the median home is worth about $445,500, and the typical rent is about $1,492 a month.

How educated are people in Delaware County, Ohio?

About 59.4% of adults age 25 and over in Delaware County, Ohio hold a bachelor's degree or higher.

What is the poverty rate in Delaware County, Ohio?

About 4.7% of people in Delaware County, Ohio live below the federal poverty line.

Has Delaware County, Ohio grown since 1990?

Yes, Delaware County, Ohio has grown since 1990. The population has added about 159,905 residents, a change of about 239 percent over that period.

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

How we source and harmonize this data →