Delaware County, Ohio Demographics 2026

Name: Delaware County, Ohio Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Delaware County, Ohio has a population of 226,834, the 12th most populous county in Ohio. The median household income is $133,540 and the median home value is $445,500. The poverty rate is 4.7%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Delaware County Quick Facts

Population 226,834

Median Household Income $133,540

Median Home Value $445,500

Poverty Rate 4.7%

Unemployment Rate 3.0%

Median Age 40.1 years

Homeownership Rate 78.5%

Affordability Ratio 3.3x

Bachelor's Degree+ 59.4%

High School Graduation 97.1%

Cities/Places 9

Population 226,834 12th of 88

Median Income $133,540 87% higher than state

Poverty Rate 4.7%

Unemployment 3.0%

How Delaware County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	221,160	226,834	+2.6%
Median household income	$130,088	$133,540	+2.7%
Median home value	$419,500	$445,500	+6.2%

Median Household Income

Delaware

$133,540

$71,389

National

$80,734

Median Home Value

Delaware

$445,500

$214,800

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 6.4%

$25K-$50K 8.7%

$50K-$100K 20.9%

$100K+ 64.1%

Detailed income brackets

Under $10K

2.6%

$10K-$15K

1.2%

$15K-$20K

1.1%

$20K-$25K

1.5%

$25K-$30K

1.4%

$30K-$35K

1.7%

$35K-$40K

1.7%

$40K-$45K

1.9%

$45K-$50K

2.0%

$50K-$60K

4.7%

$60K-$75K

6.6%

$75K-$100K

9.6%

$100K-$125K

10.6%

$125K-$150K

9.3%

$150K-$200K

15.5%

$200K+

28.6%

Employment

3.0% Unemployment Rate State: 4.8%|National: 5.2%

69.9% Labor Force Participation

Housing Overview

Owner 78.5%

Renter 21.5%

Affordability Index Affordable

3.3x home value to income ratio

Median gross rent $1,492/mo 13.4% of median household income annually

People & Demographics

Age Distribution

Under 18

24.8%

18-34

17.9%

35-54

30.2%

55-74

21.3%

75+

5.8%

Race & Ethnicity

Diversity Index

Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 41 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Delaware County

City	Population	Median Income	Poverty	Home Value
Delaware	44,589	$99,786	7.8%	$318,400
Powell	14,451	$195,495	1.1%	$561,500
Sunbury	8,005	$108,787	5.2%	$374,600
Galena	1,709	$134,830	15.6%	$467,000
Ashley	1,593	$56,596	20.1%	$153,400
Ostrander	1,008	$159,375	4.8%	$485,600
Shawnee Hills	946	$143,750	4.7%	$460,500
Radnor	95	N/A	22.1%	$63,800
Kilbourne	43	N/A	0.0%	N/A

Explore Ohio Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Delaware County is located in Ohio with a total population of 226,834. It is the 12th most populous county out of 88 in Ohio. The county encompasses 9 Census-designated places.

Age Demographics

The median age in Delaware County is 40.1 years. This is 1% higher than the state median of 39.7 years.

Economy, Income & Housing

The median household income in Delaware County is $133,540. This is 87% higher than the state median of $71,389. It is also 65% higher than the national median of $80,734. The poverty rate stands at 4.7%. This is 65% lower than the state poverty rate of 13.3%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.0%. This is 38% lower than the state rate of 4.8%. The median home value is $445,500. Housing costs are 107% higher than the state median of $214,800. The home-value-to-income ratio is 3.3x. 78.5% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 67.2%.

Race & Ethnicity

The largest racial or ethnic group in Delaware County is White (non-Hispanic), making up 79.1% of the population. Asian residents account for 8.6%. The Black or African American population (4.3%) is well below the state average of 12.0%. The Asian population is significantly higher than the state average (8.6% vs 2.5%).

Education

59.4% of residents aged 25 and older hold a bachelor's degree or higher. This places Delaware County in the top 10% of all counties in the state for educational attainment. This is 89% higher than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.1%. Notably, 24.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Delaware County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Ohio and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Delaware County, Ohio?

Delaware County has a population of 226,834, making it the 12th most populous county in Ohio.

What is the median income in Delaware County?

The median household income in Delaware County is $133,540 with a poverty rate of 4.7%.

How many cities are in Delaware County, Ohio?

Delaware County contains 9 Census-designated places.