ZIP code · Radnor · Ohio · United States
ZIP code 43066 — Radnor
ZIP code 43066 serves Radnor, Ohio.
- Postal code
- 43066Single source Value from one source, not cross-checked.
- City
- Radnor
- County
- Delaware FIPS 39041
- State
- Ohio
- Country
- United States
- Coordinates
- 40.3918, -83.1781 — precision precise (locality)
View on OpenStreetMap - Population
- 1,170 (ZCTA, ACS 5-year)
- Population density
- 33 / sq mi
- Land area
- 36 sq mi (93.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $110,333
- Per-capita income
- $52,419
- Median age
- 45.5
- Households
- 490
- Housing units
- 504
- Median home value
- $316,700
- Congressional district
- OH-4 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 740Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 43066 with another ZIP · ZIPs within 25 miles · distance from 43066
Map of ZIP code 43066
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 21°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 35 | 39 | 50 | 63 | 74 | 82 | 85 | 84 | 78 | 65 | 51 | 40 |
| Avg low °F | 21 | 23 | 31 | 41 | 52 | 61 | 64 | 62 | 55 | 44 | 34 | 26 |
| Precip in | 2.7 | 2.3 | 3.0 | 3.9 | 4.5 | 4.8 | 4.2 | 3.4 | 3.2 | 2.7 | 2.9 | 2.9 |
NOAA 1991–2020 climate normals from the nearest station: MARYSVILLE (14.5 mi) · NOAA NCEI
Places in ZIP 43066
- 1 playgrounds
- 1 places of worship
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page