43066 ZIP Code — Radnor, OH

Delaware County, Ohio

ZIP code 43066 is located in Radnor, Ohio, within Delaware County. It covers approximately 35.96 square miles and serves a population of 1,173 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 937/740.

About ZIP code 43066

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $279,700. Owner-occupancy is high at 96%, well above the national average.

Median household income is $111,597. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 35 minutes is near the national average.

Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 21% of civilians, above the national average of 7%.

Overall, ZIP code 43066 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

1,173

population

35.96

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

43066 ZIP code map

Cities in ZIP code 43066

Below are the cities the US Postal Service accepts for ZIP code 43066. Using any city not on this list may result in mail delivery delays.

City	Status
Radnor	Preferred

Nearby ZIP codes

43342 Prospect (5.9 mi) 43356 Waldo (7.1 mi) 43061 Ostrander (7.7 mi) 43015 Delaware (8.7 mi) 43015 Delaware (8.7 mi) 43344 Richwood (8.9 mi) 43003 Ashley (10.8 mi) 43302 Marion (13 mi) 43040 Marysville (14.2 mi) 43041 Marysville (15.4 mi) 43065 Powell (15.5 mi) 43341 New Bloomington (15.8 mi)

Demographics updated 05/2026

Population
Total population	1,173
Population density	33 / sq mi
State FIPS	39
County FIPS	041

Geography
Land area	35.96 sq mi
Water area	0.08 sq mi
Latitude	40.3953
Longitude	-83.1620
Timezone	Eastern (ET)
Area code	937/740

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.4%	20.1%	43.3%
$50k – $100k	23.3%	25.3%	31.4%
$100k – $200k	40.1%	36.1%	20.0%
Over $200k	18.2%	18.4%	5.2%

Demographics & statistics

1,173

Population

People per sq mi

44.8

Median age

$111,597

Median household income

$55,498

Per capita income

$279,700

Median home value

Median monthly rent

95.9%

Home ownership

1.3%

Poverty rate

1.9%

Unemployment

519

Housing units

34.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

141

35–44

126

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	275	23.4%
18 and over	898	76.6%
65 and over	300	25.6%
Median age	44.8 years

Race & ethnicity

White 95.7%

Two or more races 4.3%

Group	Count	%
White	1,123	95.7%
Two or more races	50	4.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.4%	20.1%	43.3%
$50k – $100k	23.3%	25.3%	31.4%
$100k – $200k	40.1%	36.1%	20.0%
Over $200k	18.2%	18.4%	5.2%

$10k–$15k 2.8%

$15k–$25k 3.2%

$25k–$35k 4.3%

$35k–$50k 10.2%

$50k–$75k 24.1%

$75k–$100k 3.2%

$100k–$150k 23.7%

$150k–$200k 8.7%

$200k+ 19.8%

Range	% of households
$10k–$15k	2.8%
$15k–$25k	3.2%
$25k–$35k	4.3%
$35k–$50k	10.2%
$50k–$75k	24.1%
$75k–$100k	3.2%
$100k–$150k	23.7%
$150k–$200k	8.7%
$200k+	19.8%
Median income	$111,597

Housing

Home values

$50k–$100k 6.5%

$100k–$150k 6.9%

$150k–$200k 6.7%

$200k–$300k 37.1%

$300k–$500k 30.8%

$500k–$1M 9.8%

$1M+ 2.2%

Housing overview

Metric	Value
Median home value	$279,700
Median rent / month	$0
Owner occupied	95.9%
Renter occupied	4.1%
Vacant	1.8%
Single-family detached	95.9%
Large apartment buildings	0.0%
Mobile homes	4.1%
Median rooms	7.5
Avg household size (owned)	2.23

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	19.0%
1990–1999	18.7%
1980–1989	8.9%
1970–1979	17.2%
1960–1969	0.7%
1950–1959	8.9%
1940–1949	0.0%
1939 or earlier	26.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.8%
2 bedrooms	13.5%
3 bedrooms	65.4%
4 bedrooms	12.0%
5+ bedrooms	6.3%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	32.8%
2 vehicles	20.3%
3 or more	43.7%

Heating fuel

Fuel type	%
Utility gas	4.9%
Electricity	47.6%
Propane / LP gas	27.7%
Fuel oil	14.9%
Wood	4.9%

Households & families

Household type	Count	%
Married-couple family	297	55.9%
Cohabiting couple	10	1.9%
Male householder, no spouse	123	23.2%
Female householder, no spouse	101	19.0%
Households with children under 18	151	28.4%
Households with seniors (65+)	225	42.4%
Average household size	2.21

Marital status

Status	Male	Female
Never married	26.0%	3.6%
Married	58.4%	72.2%
Separated	4.2%	0.0%
Widowed	0.0%	4.1%
Divorced	11.4%	20.1%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 40.4%

Some college, no degree 14.2%

Associate's degree 11.0%

Bachelor's degree 17.2%

Graduate / professional 17.1%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	34.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	18	7.1%
Kindergarten	35	13.9%
Elementary school	120	47.6%
High school	39	15.5%
College / grad school	40	15.9%

Employment

Industry of employment

Education & healthcare 24.0%

Manufacturing 15.3%

Public administration 14.3%

Professional & management 12.4%

Construction 9.4%

Finance & real estate 7.1%

Information 5.6%

Transportation & utilities 4.9%

Retail trade 3.7%

Wholesale trade 2.6%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	37.8%
Service	23.2%
Sales & office	13.7%
Natural resources & construction	6.6%
Production & transportation	18.7%

Employment type

Type	%
Private sector	73.1%
Government	26.9%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.9%
Carpool	1.4%
Public transit	0.0%
Walk	0.5%
Work from home	11.1%
Other means	6.1%
Avg commute (minutes)	34.6

Poverty

All people 1.3%

Under 18 years 0.0%

18 and over 1.7%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	42.4%
Retirement income	33.9%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	35.4%
High blood pressure	30.4%
High cholesterol	31.2%
Diabetes	9.7%
Heart disease	5.7%
Stroke	2.5%
Asthma	9.4%
Arthritis	24.9%
Kidney disease	2.4%
Pulmonary disease	6.8%
Cancer	6.4%

Behavior / access	%
Smoking	19.3%
Binge drinking	19.1%
No physical activity	20.5%
Less than 7 hrs sleep	34.9%
Depression	22.2%
Fair or poor health	11.2%
Poor mental health	14.4%
Poor physical health	8.6%
No health insurance	9.5%
Visited doctor (checkup)	76.1%
Visited dentist	73.1%
Cholesterol screening	90.3%
Teeth loss	10.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	190	21.2%

Disability	%
Any disability	7.0%
Under 18	0.0%
18–64 years	7.2%
65 and over	13.0%

Health insurance coverage

Type	%
Private insurance	94.4%
Public insurance	28.4%
No insurance	1.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,101	93.9%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,173	100.0%
Born in same state	1,173	100.0%
Born in different state	931	79.4%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	136	11.6%
Arab	109	9.3%
Italian	105	9%

Ancestry	Count	%
English	42	3.6%
Polish	15	1.3%

Technology access

Metric	% of households
Computer access	45.3%
Internet access	95.1%

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

Frequently asked questions about ZIP code 43066

What city is ZIP code 43066 in?

ZIP code 43066 is primarily assigned to Radnor, Ohio.

What county is ZIP code 43066 in?

ZIP code 43066 falls within Delaware County, Ohio.

Is ZIP code 43066 mostly owner-occupied?

96% of occupied units in ZIP code 43066 are owner-occupied, well above the national average.

Does ZIP code 43066 have an older population?

26% of residents in ZIP code 43066 are 65 or older, above the national average of ~17%.

Does ZIP code 43066 have a large veteran population?

21% of civilians in ZIP code 43066 are veterans, above the national average of ~7%.

Does ZIP code 43066 have a large retiree population?

42% of households in ZIP code 43066 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 43066 in?

ZIP code 43066 observes the EST timezone.