By the Numbers
Gahanna at a Glance
35,726
Population
32.6 km² · 12.6 sq mi
Land Area
1,095 / km²
Density
242 m · 794 ft
Elevation
1849
Established
$104,555
Median Household Income
$298,800
Median Home Value
$1,318/mo
Median Gross Rent
4
ZIP Codes
2
Schools & Colleges
Sources: U.S. Census Bureau (ACS 5-year) · Wikipedia / Wikidata · OpenStreetMap. Latest published figures for Gahanna.
About
About Gahanna, Ohio
Gahanna is a city in northeastern Franklin County, Ohio, United States. It is a suburb of Columbus. The population was 35,726 at the 2020 census. It was founded in 1849.
Summary via Wikipedia.
Local Climate
Weather in Gahanna Right Now
66°F · Overcast
Wind 7 mph · Humidity 89%
Mon
Thunderstorm
78° / 63°
79% rain
Tue
Overcast
77° / 59°
1% rain
Wed
Overcast
77° / 56°
8% rain
Thu
Thunderstorm w/ hail
80° / 61°
28% rain
Live weather data from Open-Meteo. Local climate affects biohazard cleanup needs year-round.
Why Local Data Matters
Understanding Gahanna's layout, climate, and community helps homeowners plan ahead. Caleb Biohazard Cleanup uses this local knowledge to deliver biohazard cleanup that fits the real conditions of the area.
Explore our Gahanna area guide, coverage map, and things to do for more local insight.