City profile
Gahanna, OH
Franklin County · Population 35,486
Gahanna is a town in Franklin County, OH with about 35,486 residents and a typical home value near $351,000. It is 8 miles from Columbus, OH, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Four seasons
Winter avg
31°F
Summer avg
76°F
Sunny days / yr
178
Home prices & cost of living
Median home price
$350,900
Typical monthly housing
$2,330
Cost of living (100 = U.S.)
103
Taxes
- Property tax
- 1.45%
- State income tax (top)
- 3.5%
- Social Security
- Not taxed
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- 7.24%
FEMA natural hazard risk
Relatively High · county score 98/100
Top hazards: Cold wave, Heat wave, Riverine flooding
Nearest major airport
3 mi to John Glenn Columbus International Airport (CMH)
Political lean (2024 county vote)
Leans Democratic · 64% Democratic / 35% Republican
Community
Population
35,486
Black population
16.7%
County
Franklin County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸Home prices are still rising in 2026 — good for long-term value, less room to negotiate
- ▸Climate/cost risks to check: severe storms
Highlights
- About 35,486 residents
- Typical home value about $351,000
- 8 miles from Columbus, OH
Trade-offs
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.