Delaware ZIP Codes — Delaware County, OH

There is one unique ZIP code in Delaware, Ohio and it is 43015. Area code: 740.

ZIP codes

127.93

sq mi land

3.85

sq mi water

740

area code

Delaware, OH ZIP code map

About Delaware, OH

Delaware, Ohio, is a vibrant city located in Delaware County. Known for its rich history and strong community spirit, Delaware offers a blend of suburban charm and urban convenience. The city's welcoming atmosphere makes it a delightful place to live, work, and visit.

Location & geography

Delaware is situated in central Ohio and is surrounded by several key cities including Columbus, which is approximately 25 miles to the south, and Marion, located about 22 miles to the northwest. The city covers a total land area of 255.85 square miles, complemented by a water area of 7.71 square miles. This diverse terrain offers residents both green open spaces and waterways that enhance the natural beauty of the area.

Community & economy

The character of Delaware is marked by its friendly community and diverse population, fostering a strong sense of belonging among residents. The local economy is supported by various industries, including education, retail, and healthcare, which contribute to its thriving environment. Daily life in Delaware is enriched by an array of parks, local shops, and community events that bring people together.

Transportation

Delaware is conveniently accessed via major highways, including the U.S. Route 23, which connects it to other parts of Ohio. The closest named airport is Port Columbus International Airport, located approximately 30 miles to the south. Public transportation options are available, allowing residents and visitors to navigate the area with ease.

History

Delaware was founded in the early 19th century and has since grown into a significant city in Ohio, known for its historic downtown area. Key industries have historically included agriculture and manufacturing, with notable developments occurring throughout the years. The city also plays host to the annual Delaware County Fair, an event that draws visitors and celebrates local culture.

Did you know?

One little-known fact about Delaware, Ohio, is that it was once the county seat of the now-dissolved Delaware County, which had a significant influence on the region's development. The city is also recognized for its commitment to preserving green spaces, with numerous parks that enhance the quality of life for residents.

ZIP codes for Delaware, OH (1)

ZIP code	City	County	Map
43015	Delaware	Delaware	View map

Demographics & statistics

57,745

Population

38.9

Median age

$92,895

Median household income

$44,641

Per capita income

$279,900

Median home value

$1,152

Median monthly rent

69.9%

Home ownership

7.4%

Poverty rate

3.0%

Unemployment

16,323

Housing units

45.8%

Bachelor's or higher

Age distribution

Male Female

1,703

Under 5

1,690

1,855

5–9

1,840

1,973

10–14

1,958

2,129

15–19

2,113

1,817

20–24

1,802

3,531

25–34

3,503

4,375

35–44

4,340

3,858

45–54

3,828

1,527

55–59

1,515

1,691

60–64

1,677

2,880

65–74

2,858

1,099

75–84

1,091

548

85+

544

← Male

Female →

Age summary

Group	Count	%
Under 18	13,279	23.0%
18 and over	44,466	77.0%
65 and over	9,020	15.6%
Median age	38.9 years

Race & ethnicity

White 82.1%

Two or more races 5.6%

Black or African American 4.3%

Asian 4.2%

Hispanic or Latino 3.1%

Other race 0.7%

Group	Count	%
White	48,917	82.1%
Two or more races	3,328	5.6%
Black or African American	2,547	4.3%
Asian	2,494	4.2%
Hispanic or Latino	1,817	3.1%
Other race	420	0.7%

Household income

Under $10k 3.8%

$10k–$15k 2.6%

$15k–$25k 5.5%

$25k–$35k 5.1%

$35k–$50k 9.0%

$50k–$75k 14.8%

$75k–$100k 14.2%

$100k–$150k 18.9%

$150k–$200k 12.0%

$200k+ 14.1%

Range	% of households
Under $10k	3.8%
$10k–$15k	2.6%
$15k–$25k	5.5%
$25k–$35k	5.1%
$35k–$50k	9.0%
$50k–$75k	14.8%
$75k–$100k	14.2%
$100k–$150k	18.9%
$150k–$200k	12.0%
$200k+	14.1%
Median income	$92,895

Housing

Home values

Under $50k 5.7%

$50k–$100k 3.1%

$100k–$150k 6.0%

$150k–$200k 9.6%

$200k–$300k 31.2%

$300k–$500k 30.3%

$500k–$1M 12.3%

$1M+ 1.8%

Housing overview

Metric	Value
Median home value	$279,900
Median rent / month	$1,152
Owner occupied	69.9%
Renter occupied	30.1%
Vacant	4.6%
Single-family detached	68.1%
Large apartment buildings	4.6%
Mobile homes	3.6%
Median rooms	6.3
Avg household size (owned)	2.76

Year built

Era	%
2020 or later	2.0%
2010–2019	15.3%
2000–2009	19.2%
1990–1999	16.8%
1980–1989	9.1%
1970–1979	10.7%
1960–1969	6.4%
1950–1959	5.2%
1940–1949	1.1%
1939 or earlier	14.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.7%
1 bedroom	5.9%
2 bedrooms	24.6%
3 bedrooms	37.0%
4 bedrooms	25.8%
5+ bedrooms	4.9%

Vehicles per household

Vehicles	% of households
No vehicle	4.2%
1 vehicle	27.4%
2 vehicles	45.7%
3 or more	22.7%

Heating fuel

Fuel type	%
Utility gas	70.1%
Electricity	23.5%
Propane / LP gas	4.4%
Fuel oil	1.3%
Wood	0.3%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	12,382	56.7%
Cohabiting couple	1,182	5.4%
Male householder, no spouse	3,528	16.1%
Female householder, no spouse	4,763	21.8%
Households with children under 18	7,684	35.2%
Households with seniors (65+)	6,402	29.3%
Average household size	2.56

Marital status

Status	Male	Female
Never married	32.3%	24.9%
Married	55.5%	53.9%
Separated	0.5%	1.6%
Widowed	2.4%	7.9%
Divorced	9.3%	11.6%

Education

Less than 9th grade 0.8%

Some HS, no diploma 3.6%

HS graduate 23.6%

Some college, no degree 19.8%

Associate's degree 6.4%

Bachelor's degree 28.3%

Graduate / professional 17.5%

Metric	%
HS diploma or higher	95.6%
Bachelor's or higher	45.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	811	5.6%
Kindergarten	925	6.4%
Elementary school	5,917	41.0%
High school	3,221	22.3%
College / grad school	3,569	24.7%

Employment

Industry of employment

Education & healthcare 27.6%

Professional & management 12.9%

Retail trade 10.8%

Finance & real estate 10.1%

Manufacturing 10.0%

Arts, food & hospitality 7.4%

Transportation & utilities 4.5%

Construction 4.4%

Public administration 4.1%

Other services 4.0%

Wholesale trade 2.2%

Information 1.5%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	49.6%
Service	14.6%
Sales & office	19.9%
Natural resources & construction	4.8%
Production & transportation	10.9%

Employment type

Type	%
Private sector	81.7%
Government	12.5%
Self-employed	5.7%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	73.2%
Carpool	7.2%
Public transit	0.2%
Walk	3.1%
Other means	0.7%
Avg commute (minutes)	27.0

Poverty

All people 7.4%

Under 18 years 6.6%

18 and over 7.6%

Married-couple families 1.8%

Female-led households 27.3%

Income support

Source	% of households
Social Security	28.2%
Retirement income	24.2%
Supplemental Security	3.6%
Cash public assistance	1.6%
Food stamps / SNAP	7.1%

Health indicators

Condition	%
High blood pressure	28.8%
High cholesterol	28.3%
Heart disease	5.4%
Stroke	2.6%
Asthma	10.0%
Arthritis	23.5%
Kidney disease	2.4%
Pulmonary disease	6.7%
Cancer	6.0%

Behavior / access	%
Binge drinking	19.0%
No physical activity	21.0%
Less than 7 hrs sleep	35.3%
Fair or poor health	11.8%
Poor mental health	15.5%
Poor physical health	8.7%
No health insurance	10.3%
Visited doctor (checkup)	75.6%
Visited dentist	71.0%
Cholesterol screening	88.3%
Teeth loss	12.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,627	5.9%

Disability	%
Any disability	12.3%
Under 18	4.7%
18–64 years	10.0%
65 and over	33.5%

Health insurance coverage

Type	%
Private insurance	78.7%
Public insurance	25.9%
Uninsured under 19	4.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	54,352	94.1%
Spanish	827	1.5%
Other Indo-European	226	0.4%
Asian & Pacific Islander	177	0.3%
Other languages	293	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	54,780	94.9%
Born in same state	54,242	93.9%
Born in different state	41,797	72.4%
Foreign born	538	0.9%
Naturalized citizen	2,965	5.1%
Not a US citizen	1,500	50.6%

Ancestry

Ancestry	Count	%
Italian	8,772	15.2%
French	8,065	14%
Arab	2,340	4.1%
English	659	1.1%
Irish	487	0.8%

Ancestry	Count	%
Polish	323	0.6%
German	151	0.3%
Norwegian	98	0.2%
Dutch	18	0%

Technology access

Metric	% of households
Computer access	37.8%
Internet access	96.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Delaware, OH have?

Delaware, OH has one ZIP code: 43015. Each ZIP code serves a distinct delivery area within the city and surrounding region.