Wilmington is a city in Clinton County, Ohio, home to about 12,620 people across 13 square miles. Its ZIP code is 45177.
Homes sold for a median of $183 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Wilmington. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Wilmington’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Cincinnati Northern Kentucky International Airport (CVG)52 miles away |
|---|---|
| Closer regional airport | James M. Cox Dayton International Airport (DAY)37 miles away |
| Nearest city of 250,000+ | Cincinnati, OH41 miles away |
| Nearest city of 1 million+ | Chicago, IL260 miles away |
Straight-line distances from the center of Wilmington; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Wilmington had 12,664 residents in the 2020 census, up 6% since 2000.
It’s the 152nd largest of 1,264 towns in Ohio by population.
Clinton County grew from 24,202 residents in 1900 to 42,018 in 2020.
Clinton County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 85°F in summer, and winter lows average 22°F. About 44.7 inches of rain and melted snow fall in a typical year, with about 27 inches of snow.
Source: NOAA 1991–2020 climate normals, Wfo Wilmington, OH weather station (2 miles away).
17,384 jobs at 712 businesses in Clinton County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
309 doctors and other health care providers list an office in Wilmington.
Nearest hospitals
Providers with an office here
| Primary care doctors | 24 |
|---|---|
| Specialist doctors | 52 |
| Dentists | 9 |
| Nurse practitioners and physician assistants | 52 |
| Mental health providers | 132 |
| Physical and occupational therapists | 28 |
| Optometrists | 5 |
| Chiropractors | 7 |
| Pharmacies | 8 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (5 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1810.
Colleges and universities
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Wilmington City, Great Oaks Career Campuses. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Roy E Holmes Elementary SchoolWilmington | Pre-K–2 | 568 | Public | 1.2 mi |
| Denver Place Elementary SchoolWilmington | 1–5 | 483 | Public | 1.1 mi |
| Rodger O. Borror Middle SchoolWilmington | 6–8 | 451 | Public | 0.2 mi |
| Wilmington High SchoolWilmington | 6–12 | 596 | Public | 0.1 mi |
| Laurel Oaks CdcWilmington | 11–12 | 710 | Career and Technical | 3.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.