Radnor, OH · standard
ZIP Code 43066
Delaware County, Ohio - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,328
- 13/sq mi Moderate-density area
- $129,012
- Median income Above-median income area
- $389,400
- Median home value Above-median home value
- 46.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Radnor pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 7%
- household income, US ZIPs
- Top 22%
- home value, US ZIPs
- 13
- people per sq mi
- 92%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 43066 against every reporting US ZIP.
ZIP code 43066 is a sparsely populated ZIP (a standard USPS delivery area) in Radnor, Delaware County, Ohio, home to just 1,328 residents across 99.8 square miles, a density of 13 people per square mile, in the New York time zone.
ZIP 43066 skews affluent, with a median household income of $129,012 (77% above the average Ohio ZIP), while per-capita income is $61,245. The poverty rate is 1.5%, with unemployment at 5.1%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $389,400 (98% above the average Ohio ZIP), while 91.7% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 46.9% of adults hold a bachelor's degree or higher, the median age is 46, and the average commute is -. The page also surfaces 6 ZIP codes within roughly 10 miles and 6 more in Delaware County, so 43066 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 43066
Top 5 sectors by establishment count in Radnor, OH
Which industries have the most business establishments in ZIP 43066.
- Construction
Construction
5 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
4 establishments
- Retail trade
Retail trade
3 establishments
- Other services (except public administration)
Other services (except public administration)
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 43066, Radnor, OH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,328
Population
99.8
Area (sq mi)
13
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 43066?
46.0
Median Age
51.0%
Male
49.0%
Female
1.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$129,012
Median Household Income
+77% vs state ZIP avg
$61,245
Per Capita Income
1.5%
Poverty Rate
5.1%
Unemployment Rate
How ZIP 43066 ranks among Ohio ZIPs
Radnor, OH household income vs. every Ohio ZIP code
Median household income among 1,127 reporting Ohio ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$129,012 Top 3% higher than 97% of 1,127 Ohio ZIPs
Each bar is a $20K-wide band; taller bars hold more Ohio ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
568housing units
568
Total Housing Units
568
Occupied Units
0
Vacant Units
2.41
Avg Household Size
Occupancy Type
$389,400
Median Home Value
+98% vs state ZIP avg
1980
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+17.5%
YoY Change (2024)
223
HPI Index (2000 = 100)
+123%
Total Change Since 2000
Home values in ZIP 43066 have increased 17.5% over the past year (2024). Since 2000, this ZIP has seen +123% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | +7.8% | 169 |
| 2020 | +1.6% | 172 |
| 2021 | +4.0% | 179 |
| 2022 | +17.5% | 210 |
| 2024 | – | 223 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 25 business establishments in ZIP 43066, employing approximately 228 people with a combined annual payroll of $12,606,000.
25
Businesses
228
Employees
$12.6M
Annual Payroll
4
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 5 | 20.0% |
| Professional, scientific, and technical services | 4 | 16.0% |
| Retail trade | 3 | 12.0% |
| Other services (except public administration) | 3 | 12.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 43066 vs 43342 →
ZIP 43066 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 43015
Delaware (43015)
48,107 residents
- 43061 3,967
Ostrander (43061)
3,967 residents
- 43342 3,228
Prospect (43342)
3,228 residents
- 43066 1,328
Radnor (43066)
1,328 residents
- 43356 1,103
Waldo (43356)
1,103 residents
- 43322 374
Green Camp (43322)
374 residents
- 43036 258
Magnetic Springs (43036)
258 residents
What this shows Among its immediate neighbors, ZIP 43066 ranks #4 by population - useful context the national average alone can't give.
ZIP 43066 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 43061
Ostrander (43061)
$157,568 median income
- 43066
Radnor (43066)
$129,012 median income
- 43015
Delaware (43015)
$105,322 median income
- 43356
Waldo (43356)
$92,870 median income
- 43342
Prospect (43342)
$84,803 median income
- 43036
Magnetic Springs (43036)
$77,813 median income
- 43322 $56,250
Green Camp (43322)
$56,250 median income
What this shows By household income, ZIP 43066 ranks #2 of 7 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 43066, both outside OH so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,328 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Delaware County
Related Areas
Frequently Asked Questions
What county is ZIP code 43066 in?
ZIP code 43066 (Radnor) is located in Delaware County, Ohio. Delaware County contains multiple ZIP codes, see the full list at /counties/delaware-oh.
What is the population of ZIP code 43066?
ZIP code 43066 in Radnor, OH has a population of 1,328 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 43066?
The median household income in ZIP 43066 is $129,012, which is 69% above the national average of $76,288.
What is the average home value in ZIP 43066?
The median home value in ZIP 43066 is $389,400, which is 40% above the national average of $278,155.
What is the demographic makeup of ZIP 43066?
The largest racial group in ZIP 43066 is White at 96.0%.
How many businesses are in ZIP code 43066?
ZIP code 43066 has 25 business establishments employing approximately 228 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 43066?
The top industries by establishment count in ZIP 43066 are: Construction (5), Professional, scientific, and technical services (4), Retail trade (3). There are 4 industry sectors represented in total.
How have home values changed in ZIP code 43066?
According to the FHFA House Price Index, home values in ZIP 43066 increased by 17.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 123%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 43066?
In ZIP code 43066, 76.3% of residents aged 25+ have a high school diploma or higher, and 46.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 43066?
In ZIP code 43066, approximately 91.7% of occupied housing units are owner-occupied and 8.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 43066?
The poverty rate in ZIP code 43066 is 1.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 43066's numbers, next.
- See how ZIP 43066 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Radnor, OH ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.