Delaware is a city in Delaware County, Ohio, home to about 44,589 people across 20 square miles. Its ZIP code is 43015, and parts of 43035 are in Delaware too.
Homes sold for a median of $202 per square foot in the three months ending August 2026, a seller’s market.
Mostly Delaware; also Kilbourne
Part is in Delaware, part in Columbus
Each card is that ZIP code’s whole market, including any part outside Delaware. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Delaware’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | John Glenn Columbus International Airport (CMH)22 miles away |
|---|---|
| Nearest city of 250,000+ | Columbus, OH21 miles away |
| Nearest city of 1 million+ | Chicago, IL263 miles away |
Straight-line distances from the center of Delaware; 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.
Delaware had 41,302 residents in the 2020 census, up 64% since 2000.
It’s the 26th largest of 1,264 towns in Ohio by population.
Delaware County grew from 26,401 residents in 1900 to 214,124 in 2020.
Delaware 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 21°F. About 40.6 inches of rain and melted snow fall in a typical year, with about 24 inches of snow.
Source: NOAA 1991–2020 climate normals, Marysville, OH weather station (12 miles away).
94,895 jobs at 5,365 businesses in Delaware County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
463 doctors and other health care providers list an office in Delaware.
Nearest hospitals
Providers with an office here
| Primary care doctors | 48 |
|---|---|
| Specialist doctors | 55 |
| Dentists | 41 |
| Nurse practitioners and physician assistants | 73 |
| Mental health providers | 157 |
| Physical and occupational therapists | 59 |
| Optometrists | 15 |
| Chiropractors | 15 |
| Pharmacies | 10 |
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 (27 nearby)
Grocery stores (5 nearby)
Pharmacies (4 nearby)
Libraries (5 nearby)
Museums (1 nearby)
Theaters and performance venues (3 nearby)
Counts are within about 3 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 1808.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Olentangy Local, Delaware City, Buckeye Valley Local and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cheshire ElementaryDelaware | Pre-K–5 | 508 | Public | 4.4 mi |
| Laura Woodward Elementary SchoolDelaware | Pre-K–5 | 621 | Public | 0.2 mi |
| Olentangy Preschool at DACCDelaware | Pre-K | 33 | Public | 4.4 mi |
| David Smith Elementary SchoolDelaware | K–5 | 376 | Public | 1.3 mi |
| Ervin Carlisle Elementary SchoolDelaware | K–5 | 533 | Public | 1.7 mi |
| James Conger Elementary SchoolDelaware | K–5 | 453 | Public | 1.0 mi |
| Robert F Schultz Elementary SchoolDelaware | K–5 | 777 | Public | 1.4 mi |
| Buckeye Valley Local Middle SchoolDelaware | 5–8 | 612 | Public | 4.0 mi |
| Delaware Area Career Center South CampusDelaware | 6–12 | 315 | Career and Technical | 4.4 mi |
| John C Dempsey Middle SchoolDelaware | 6–8 | 1,278 | Public | 1.8 mi |
| Olentangy Berlin Middle SchoolDelaware | 6–8 | 886 | Public | 4.4 mi |
| Buckeye Valley Local High SchoolDelaware | 9–12 | 597 | Public | 4.2 mi |
| Olentangy Berlin High SchoolDelaware | 9–12 | 1,823 | Public | 4.3 mi |
| Rutherford B Hayes High SchoolDelaware | 9–12 | 1,612 | Public | 1.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Mary SchoolDelaware | Pre-K–8 | 122 | Roman Catholic | 0.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Columbus and Kilbourne.
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.