Delaware County, OH demographics:
population, income, and more

Total population
226,834
2.6% year-over-year change
Median household income
$133,540/yr
2.6% year-over-year change
Housing units
86,269
2.4% year-over-year change

Delaware County population

How many people live in Delaware County

Delaware County is home to 226,834 residents, according to the most recent Census data. Gender-wise, 50% of Delaware County locals are male, and 50% are female.

Total population
226,834
2.6% year-over-year change
Gender ratio
Male
50%
113,497
Female
50%
113,337
Value Percent YoY change
Male 113,497 50% 2.6%
Female 113,337 50% 2.6%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Delaware County is 40, with the population distributed as follows: about 20.1% are children under 15, then 12.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 25.1% of the population, while another 26.9% fall into the 45 to 64 bracket. Finally, around 15.1% are 65 or older.

Median age
40.1
Age breakdown
Under 15
20.1%
15 to 24
12.9%
25 to 44
25.1%
45 to 64
26.9%
Over 65
15.1%
Value Percent YoY change
Under 15 45,515 20.1% 0.7%
15 to 24 29,210 12.9% 2.0%
25 to 44 56,940 25.1% 3.4%
45 to 64 61,004 26.9% 2.1%
Over 65 34,165 15.1% 5.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Delaware County, 89.6% of the population are US-born citizens, while 5.6% have gained naturalized citizenship. At the same time, 4.9% of residents are non-citizens. As for race, 79.9% of locals are Caucasian, 4.4% are African American and 8.6% have Asian roots. There’s also a share of 6.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
89.6%
Non-U.S.-born citizens
5.6%
Non-citizens
4.9%
Value Percent YoY change
U.S.-born citizens 203,180 89.6% 1.6%
Non-U.S.-born citizens 12,604 5.6% 5.7%
Non-citizens 11,050 4.9% 18.1%
Racial breakdown
White
79.9%
Black or African American
4.4%
American Indian and Alaska Native
0.1%
Asian
8.6%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.1%
Other
0.9%
Value Percent
White 181,317 79.9%
Black or African American 9,931 4.4%
American Indian and Alaska Native 139 0.1%
Asian 19,485 8.6%
Native Hawaiian and other Pacific Islander 28 0%
Two or more races 13,918 6.1%
Other 2,016 0.9%

Households in Delaware County

A peek inside Delaware County households

Delaware County has 82,287 households, with an average of 3 members in each. Of these, 75.5% are families, while the remaining 24.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
82,287
2.3% year-over-year change
Average people per household
3
Non-family households
20,193
Family households
62,094
Value Percent YoY change
Non-family households 20,193 24.5% 3.9%
Family households 62,094 75.5% 1.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Delaware County

The housing landscape of Delaware County

Delaware County's housing consists of 86,269 units, with 74.3% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2% of the housing landscape.

Housing units
86,269
2.4% year-over-year change
Housing types
Value Percent
1 unit, detached 64,116 74.3%
1 unit, attached 5,914 6.9%
2 units 922 1.1%
3 or 4 units 3,125 3.6%
5 to 9 units 3,281 3.8%
10 to 19 units 2,665 3.1%
20 to 49 units 1,548 1.8%
50 or more units 2,989 3.5%
Mobile home 1,695 2%
Boat, RV, van, etc. 14 0%
Homes built since 2020
4,365
77.5% year-over-year change

The age of buildings in Delaware County

In Delaware County, the median construction year is 2000. About 6.8% of homes were built before the 1940s, with another 0.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 26.7% of homes were added from 2000 to 2009, 18.7% between 2010 and 2019, and 5.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 5,874 6.8% -3.8%
Built between 1940 and 1949 583 0.7% 0.0%
Built between 1950 and 1959 2,430 2.8% -1.5%
Built between 1960 and 1969 2,730 3.2% -0.6%
Built between 1970 and 1979 5,362 6.2% -6.9%
Built between 1980 and 1989 7,428 8.6% 4.7%
Built between 1990 and 1999 18,335 21.2% -0.4%
Built between 2000 and 2009 22,997 26.7% -0.9%
Built between 2010 and 2019 16,165 18.7% 5.1%
Built in 2020 or later 4,365 5.1% 77.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Delaware County occupancy rates

Out of the 82,287 occupied housing units in Delaware County, 78.5% are owner-occupied, while 21.5% are lived in by tenants. Meanwhile, 4.6% of all homes on the local market sit vacant.

Occupied housing units
82,287
2.3% year-over-year change
Occupancy breakdown
Renter occupied
17,680
Owner occupied
64,607
Value Percent YoY
change
Renter occupied 17,680 21.5% 0.8%
Owner occupied 64,607 78.5% 2.7%
Unoccupied housing units
4.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Delaware County housing costs

Housing costs in Delaware County come to a median of $1,847 per month, while tenants specifically pay a median gross rent of $1,492.

Median housing costs per month
$1,847/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Delaware County
$1,492/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Delaware County

Delaware County education at a glance

About 21% of the population in Delaware County went to high school, while 16.8% pursued college studies. Another 6.4% earned an associate degree and 33.4% hold a bachelor’s. Meanwhile, 21.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 1,689 1% 21.2%
High school diploma 35,809 21% 1.5%
College diploma 28,631 16.8% -4.0%
Associate degree 10,901 6.4% 3.5%
Bachelor's degree 57,029 33.4% 6.7%
Graduate degree 36,511 21.4% 4.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Delaware County

How much people earn in Delaware County

The average annual household income in Delaware County was $166,030 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.1% change from the previous year. At the same time, the median income stood at $133,540, reflecting a +2.6% shift over the same period.

Average household income in Delaware County
$166,030/year
3.1% year-over-year change
Median household income in Delaware County
$133,540/year
2.6% year-over-year change

Delaware County income by age

In Delaware County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $147,263. Those with someone between 45 and 64 in charge, often well established professionally, earn $160,864 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $54,123, while those led by someone over 65, many of whom may be retired, have about $83,238 in earnings. Overall, 95.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $54,123 -12.5%
25 - 44 $147,263 3.4%
45 - 64 $160,864 1.6%
Over 65 $83,238 2.1%
Above poverty level
211,665
Below poverty level
10,288
Value Percent YoY
change
Above poverty level 211,665 95.4% 3.0%
Below poverty level 10,288 4.6% -5.3%

Employment in Delaware County

Workforce and job types in Delaware County

The job market in Delaware County is powered by 120,222 working residents, spread across a range of industries and roles. 89.2% of the working population are employed in professional or administrative positions, while 10.8% are in hands-on or service-based jobs. Also, 9.5% run their own businesses, 66.7% are employed by private companies, and 13.5% work in the public sector.

Workforce demographics

Working population
120,222
2.6% year-over-year change
White collar
107,281
Blue collar
12,941
Value Percent YoY change
White collar 107,281 89.2% 2.8%
Blue collar 12,941 10.8% 0.6%
Employer type
Self employees
9.5%
Private companies
66.7%
Governmental workers
13.5%
Not for profit companies
10.3%
Value Percent YoY change
Self employees 11,441 9.5% 0.7%
Private companies 80,200 66.7% 3.3%
Governmental workers 16,240 13.5% -0.6%
Not for profit companies 12,341 10.3% 4.2%
Unemployment rate
3.0%
2.6% year-over-year change

Available workforce

The unemployment rate in Delaware County stands at 3%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Delaware County

How people get around in Delaware County

Commuting methods vary: 72.1% of residents travel by personal vehicle and 1.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 85,254 72.1% -0.7%
Taxicab 17 0% 112.5%
Bus or trolleybus 121 0.1% -34.2%
Subway or elevated 15 0% N/A
Railroad 3 0% N/A
Motorcycle 32 0% 190.9%
Bicycle 103 0.1% -8.0%
Walk 1,509 1.3% 35.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Delaware County by zipcode?

Zipcode Population Number of households Median income Average income
43003 3,723 1,481 $69,852 $100,216
43011 6,594 2,551 $90,121 $115,559
43015 61,401 22,732 $105,322 $131,972
43017 41,613 16,148 $135,922 $178,766
43021 14,403 4,710 $167,941 $210,623
43035 36,012 12,269 $154,683 $170,370
43061 4,921 1,544 $157,568 $162,172
43065 46,679 17,099 $154,481 $192,383
43066 1,368 568 $129,012 $151,929

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FAQs about Delaware County demographics 

What is the total population of Delaware County?

Delaware County has a total population of 226,834 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +2.6% compared to a year ago.

What is the gender ratio in Delaware County?

The gender ratio in Delaware County is as follows:
  • 50% males (113,497 residents)
  • 50% females (113,337 residents)

What is the median age in Delaware County?

The median age in Delaware County is 40.1.

What is the age distribution of the population in Delaware County?

The age distribution in Delaware County is as follows:
  • Under 15: 20.1% (45,515 residents)
  • Ages 15-24: 12.9% (29,210 residents)
  • Ages 25-44: 25.1% (56,940 residents)
  • Ages 45-64: 26.9% (61,004 residents)
  • Over 65: 15.1% (34,165 residents)

What is the racial and ethnic makeup of Delaware County?

The racial and ethnic makeup of Delaware County is as follows:
  • White: 79.9% (181,317 residents)
  • Black or African American: 4.4% (9,931 residents)
  • American Indian and Alaska Native: 0.1% (139 residents)
  • Asian: 8.6% (19,485 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (28 residents)
  • Two or More Races: 6.1% (13,918 residents)
  • Other: 0.9% (2,016 residents)

What percentage of the population in Delaware County are U.S.-born citizens?

U.S.-born citizens represent 89.6% of the population in Delaware County.

How many housing units are there in Delaware County?

There are 86,269 housing units in Delaware County, reflecting a +2.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Delaware County and what is the average household size?

Delaware County has a total of 82,287 households, with an average of 3 people in each.

What is the median household income in Delaware County?

Delaware County has a median household income of $133,540, representing a +2.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Delaware County?

The employment rate is 97% in Delaware County, with a workforce of 120,222 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 89.2% (107,281 residents)
  • Blue-collar workers: 10.8% (12,941 residents)

Places of employment:
  • Self-employed: 9.5% (11,441 residents)
  • Private companies: 66.7% (80,200 residents)
  • Governmental workers: 13.5% (16,240 residents)
  • Not-for-profit companies: 10.3% (12,341 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025