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COUNTY

Delaware County

Ohio · 242,032 residents (2025 est.) · 443.146 sq mi
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Part of the Columbus metro area
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Notable rankings
#23Highest median household incomeof 3,143$133,540#28Lowest poverty rateof 3,1444.7%#28Most educatedof 3,14459.4%#38Most work-from-homeof 3,14425.9%
The short version

Delaware County is significantly wealthier than the US average, with a median household income of $133,540. The county has more than doubled in size since 2000, adding 116,845 residents. 59% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than doubled since 2000, reaching $445,500. Poverty is rare here, at 4.7% of residents. It ranks in the top 1% of US counties for household income.

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
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

PEP 2025 EST:242,032 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
51K99K147K195K243K1990201020202024Delaware 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%
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
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
65
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Delaware County on RentDataNow
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)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest Italian population · Largest Asian Indian population
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%
Self-employed
14.1%
+1.5 ptssince 2009
from 12.6% in 2009
US average: 13.1%
Management & professional
58.5%
−13.7 ptssince 2009
from 72.3% 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%
−43.2 ptssince 2009
from 49.2% 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%
−90.0 ptssince 2013
from 94.7% in 2013
US average: 8.4%
Broadband at home
96.0%
+5.6 ptssince 2017
from 90.4% in 2017
US average: 91.0%
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
Drill deeper

Places similar to Delaware County

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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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Explore from here

40 census tracts (top 20 by population)
Census Tract 116.04Census Tract 124Census Tract 121Census Tract 115.62Census Tract 114.32Census Tract 105.20Census Tract 115.63Census Tract 114.23Census Tract 115.61Census Tract 114.21Census Tract 117.62Census Tract 115.40Census Tract 104.22Census Tract 117.10Census Tract 102Census Tract 120Census Tract 119Census Tract 115.64Census Tract 117.63Census Tract 117.40
10 ZIP codes
ZIP 43015ZIP 43065ZIP 43035ZIP 43082ZIP 43074ZIP 43021ZIP 43240ZIP 43061ZIP 43066ZIP 43032
Up the hierarchy
All counties in Ohio
Rankings
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →