Gahanna is a city in Franklin County, Ohio, home to about 35,486 people across 12 square miles. Its ZIP code is 43230, and parts of 43004 and 43054 are in Gahanna too.
Homes sold for a median of $206 per square foot in the three months ending August 2026, a seller’s market.
Mostly Gahanna; also Columbus
Mostly Columbus; part is in Gahanna
Mostly New Albany; part is in Gahanna
Each card is that ZIP code’s whole market, including any part outside Gahanna. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Gahanna’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)3 miles away |
|---|---|
| Nearest city of 250,000+ | Columbus, OH7 miles away |
| Nearest city of 1 million+ | Chicago, IL280 miles away |
Straight-line distances from the center of Gahanna; 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.
Gahanna had 35,726 residents in the 2020 census, up 9% since 2000.
It’s the 40th largest of 1,264 towns in Ohio by population.
Franklin County grew from 164,460 residents in 1900 to 1,323,807 in 2020.
Franklin 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 41.5 inches of rain and melted snow fall in a typical year, with about 28 inches of snow.
Source: NOAA 1991–2020 climate normals, Columbus Port Columbus Intl Ap, OH weather station (3 miles away).
695,387 jobs at 30,700 businesses in Franklin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
789 doctors and other health care providers list an office in Gahanna.
Nearest hospitals
Providers with an office here
| Primary care doctors | 85 |
|---|---|
| Specialist doctors | 116 |
| Dentists | 65 |
| Nurse practitioners and physician assistants | 183 |
| Mental health providers | 153 |
| Physical and occupational therapists | 146 |
| Optometrists | 13 |
| Chiropractors | 28 |
| Pharmacies | 15 |
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 (29 nearby)
Grocery stores (6 nearby)
Pharmacies (4 nearby)
Libraries (1 nearby)
Museums (2 nearby)
Theaters and performance venues
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 1849.
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 Gahanna-Jefferson City. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Gahanna- Jefferson Clark HallGahanna | Pre-K | 176 | Public | 1.3 mi |
| Goshen Lane Elementary SchoolGahanna | Pre-K–5 | 464 | Public | 2.3 mi |
| Chapelfield Elementary SchoolGahanna | K–5 | 409 | Public | 1.3 mi |
| High Point Elementary SchoolGahanna | K–5 | 555 | Public | 0.8 mi |
| Jefferson Elementary SchoolGahanna | K–5 | 437 | Public | 1.2 mi |
| Lincoln Elementary SchoolGahanna | K–5 | 730 | Public | 2.0 mi |
| Royal Manor Elementary SchoolGahanna | K–5 | 423 | Public | 1.8 mi |
| Gahanna East Middle SchoolGahanna | 6–8 | 660 | Public | 0.6 mi |
| Gahanna South Middle SchoolGahanna | 6–8 | 653 | Public | 2.1 mi |
| Gahanna West Middle SchoolGahanna | 6–8 | 608 | Public | 1.4 mi |
| Gahanna Lincoln High School - OLSGahanna | 9–12 | 15 | Public | 1.5 mi |
| Lincoln High SchoolGahanna | 9–12 | 2,468 | Public | 1.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Jolly Tots Too!Columbus | Pre-K–K | 12 | Nonsectarian | 2.2 mi |
| One SchoolGahanna | Pre-K–8 | 153 | Assembly of God | 0.1 mi |
| Shepherd Christian SchoolGahanna | Pre-K–7 | 241 | Church of the Nazarene | 2.1 mi |
| St Matthew the Apostle Catholic SchoolGahanna | Pre-K–8 | 560 | Roman Catholic | 1.7 mi |
| The Columbus AcademyGahanna | Pre-K–12 | 1,083 | Nonsectarian | 0.8 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, New Albany and Reynoldsburg.
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.