Delaware is home to 44,589 people in Ohio. The population has risen by half since 2000, adding 19,346 people. Few US cities rank higher on income. Households here earn about 40% more than in Ohio as a whole. This is an unusually credentialed place: 48% of adults have a four-year degree. There are 2,203 people per square mile.
At a glance
Wealthier
median household income $99,786, above the US median
US median: $82,259
Younger
median age 36.9
US median: 38.9
More educated
48% hold a bachelor's degree
US average: 36%
Less affordable
home values up 41%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Delaware
What changed most since 1990
Population20,030 → 44,589(+123%)US over the same years: +35%
Adults with a bachelor's degree20.2% → 47.8%(+27.6 pts)US over the same years: +15.3 pts
Homes owned by their occupants55.3% → 64.7%(+9.4 pts)US over the same years: +0.9 pts
Delaware's population equals 20% of Delaware County's. Its number of residents living in poverty equals 33% of the county's. Its number of foreign-born residents equals 12% of the county's.
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)23.6%(457)
US avg: 26.4%
Gulf War (1990s)25.9%(502)
US avg: 24.3%
Vietnam era33.5%(648)
US avg: 33.1%
Korean War0.9%(17)
US avg: 4.5%
World War II0.8%(16)
US avg: 1%
Share of the 1,935 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
Over time
Delaware, decade by decade
Delaware population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
20,030
$69,542
$162,245
20.2%
16.2
2000
25,243
$83,851
$226,614
26.8%
18.5
2010
34,753
$80,223
$241,968
31.5%
25.4
2020
41,302
$89,848
$239,499
42.5%
40.1
2024
44,589
$99,786
$318,400
47.8%
43.5
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
