COUNTY · 1990 CENSUS
Delaware County
Ohio · 66,929 residents · 443.146 sq mi
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Part of the Columbus metro area
The short version
Delaware County is wealthier than most US places, with a median household income of $37,896. Population has fallen 39% since 2000, a loss of 43,060 residents. Median home value is $95,700. Poverty is rare here, at 5.7% of residents. Households here earn about 32% more than the Ohio median.
At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 33.4
US median: 33.0
More educated
26% hold a bachelor's degree
US average: 20%
More affordable
home values down 33%, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
2024227K
Age distribution, 1990
Under 57.4%(4,966)
5 to 98%(5,359)
10 to 147.3%(4,907)
15 to 198.3%(5,555)
20 to 246.5%(4,343)
25 to 3415.3%(10,260)
35 to 4417.5%(11,717)
45 to 5412.2%(8,150)
55 to 648.2%(5,516)
65 to 745.3%(3,569)
75 to 842.8%(1,869)
85 and over1.1%(718)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$37,896
−26%inflation adjusted, since 2000
vs $67,258 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$95,700
−33%inflation adjusted, since 2000
vs $188,000 in 2000
US average: $93,722
1990 – 2024
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%
1990
White, non-Hispanic96.9%(64,872)
Black2.2%(1,467)
Hispanic / Latino0.4%(262)
Asian0.6%(418)
Other0.3%(172)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
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)
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)
Subsaharan African1.5%(3,317)
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)
French Canadian0.2%(550)
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)
Palestinian0%(97)
Bulgarian0%(93)
Jordanian0%(88)
Latvian0%(78)
Jamaican0%(69)
Haitian0%(63)
Kenyan0%(55)
Australian0%(45)
Israeli0%(44)
Guyanese0%(40)
Cape Verdean0%(26)
Trinidadian & Tobagonian0%(13)
Iraqi0%(12)
Section 05
Education
High school or higher
84.4%
−8.5 ptsvs 2000
vs 92.9% in 2000
US average: 75.2%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status (2024)
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
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Compare Delaware County to nearby counties
DELAWARE COUNTY VS
Union County
Income$112,322+196%
Home value$344,900+260%
Population73,446−70%
SEE FULL COMPARISON →
DELAWARE COUNTY VS
Morrow County
Income$75,283+99%
Home value$222,300+132%
Population36,305−85%
SEE FULL COMPARISON →
DELAWARE COUNTY VS
Franklin County
Income$75,176+98%
Home value$288,400+201%
Population1,361,536+463%
SEE FULL COMPARISON →
DELAWARE COUNTY VS
Marion County
Income$59,371+57%
Home value$156,800+64%
Population65,115−73%
SEE FULL COMPARISON →
Frequently asked
How many people live in Delaware County, Ohio?
Delaware County, Ohio has about 66,929 residents according to the 1990 Census.
What is the median household income in Delaware County, Ohio?
The typical household in Delaware County, Ohio earns about $37,896 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 $95,700, and the typical rent is about $426 a month.
How educated are people in Delaware County, Ohio?
About 26.4% 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 5.7% of people in Delaware County, Ohio live below the federal poverty line.
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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 117.4010 ZIP codes
ZIP 43015ZIP 43065ZIP 43035ZIP 43082ZIP 43074ZIP 43021ZIP 43240ZIP 43061ZIP 43066ZIP 43032Up the hierarchy
All counties in OhioDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024