Pest control · Gahanna, Ohio
Pest control in Gahanna, OH
Termites, ants, roaches, scorpions or rodents? 68% of Gahanna's homes are detached houses[1], and 6% were built since 2010. Request a licensed pest-control company that services the area. Gahanna, in Franklin County — ZIP 43230, counts 35,986 residents (2025 estimate)[2].
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The Gahanna pest control picture in brief
- Population (2025 est.)
- 35,986[2]+0.7% since 2020
- County
- Franklin[2]
- Land area
- 12.4 sq mi[3]
- Detached single-family homes
- 68%[1]the 7th-highest share of the 15 Columbus-area suburbs we cover
- Homes built 2010 or later
- 6%[1]the 5th-lowest share of the 15 Columbus-area suburbs we cover
- Households renting
- 29%[1]2020–2024
- Population change, 2020–2025
- +0.7%[2]the 6th-slowest-growing of the 15 Columbus-area suburbs we cover
- Land area
- 12.4 sq mi[3]city limits
What Gahanna's numbers say about pest control
Gahanna counts 35,986 residents (2025 estimate), growing at a middle-of-the-pack 0.7% since 2020[2]. On the map that's 12.4 square miles holding 2,895 residents per square mile, the 6th densest of the suburbs here; it sits entirely in Franklin County, with ZIP code 43230[3].
Building amid 0.7% growth since 2020 pushes construction into previously open land, which stirs up the pests already living there — and denser housing gives them more neighboring homes to visit.
43230 is the city's single ZIP code[4].
The tracked suburbs closest by are Whitehall (4.7 mi S), Westerville (6.2 mi N) and Reynoldsburg (7.1 mi SE)[3].
68% of Gahanna's 14,673 housing units are detached houses[1] — the 7th-highest share of the 15 Columbus-area suburbs we cover; nearby, Whitehall (47%), Westerville (66%), and Reynoldsburg (59%). With more attached housing, pests move between units — whole-building treatment matters more.
6% of homes were built in 2010 or later[1] (the 5th-lowest share of the 15 Columbus-area suburbs we cover; Whitehall (9%), Westerville (10%), and Reynoldsburg (5%) nearby), and population changed +0.7% from 2020 to 2025[2]. Most houses here are past any builder termite warranty.
About 2,895 people live per square mile of land across 12.4 square miles[2][3] — the 6th-densest of the 15 Columbus-area suburbs we cover. More yard between houses puts the focus on the foundation perimeter and entry points.
29% of households rent and 71% own[1].
Among the 15 suburbs tracked here, Gahanna stands out for the 2nd-most flood reports nearby (58)[5].
Get pest control help in Gahanna
Requests go to Pest control contractors serving the Gahanna area — ZIP code 43230.
Before you call: choosing a pest-control plan
The Gahanna numbers behind this page
| Measure | Gahanna | Median of 15 | Difference |
|---|---|---|---|
| Growth since 2020 | 0.7% | 3.5% | 3 pts slower |
| Flood reports (10 mi) | 58 | 35 | 23 more |
| Residents per sq mi | 2,895 | 2,657 | 9% denser |
| Detached single-family | 68% | 67% | 2 pts higher |
| Median year built | 1985 | 1985 | same as median |
| Renter-occupied | 29% | 29% | same as median |
Largest differences first. Medians are the middle value across the covered Columbus-area suburbs, from the same sources.
| City | People / sq mi | Growth since 2020 | Population |
|---|---|---|---|
| Gahanna | 2,895 | 0.7% | 35,986 |
| Whitehall 4.7 mi | 3,747 | -1.6% | 19,805 |
| Westerville 6.2 mi | 3,028 | -2.6% | 38,165 |
| Reynoldsburg 7.1 mi | 3,826 | 5.5% | 43,350 |
| Worthington 8.5 mi | 2,657 | -1.6% | 14,543 |
| Upper Arlington 10.1 mi | 3,660 | -2.4% | 35,893 |
| Measure | Value |
|---|---|
| Housing units | 14,673 |
| Detached single-family | 10,039 (68%) |
| Occupied homes | 14,254 |
| Owner-occupied | 10,064 (71%) |
| Renter-occupied | 4,190 (29%) |
| Median home value | $350,900 |
ACS 2020–2024 estimates.
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 52 | 0.4% | ±57 |
| 2010 to 2019 | 757 | 5.2% | ±227 |
| 2000 to 2009 | 1,959 | 13.4% | ±429 |
| 1990 to 1999 | 3,230 | 22.0% | ±407 |
| 1980 to 1989 | 2,535 | 17.3% | ±420 |
| 1970 to 1979 | 2,939 | 20.0% | ±406 |
| 1960 to 1969 | 2,271 | 15.5% | ±320 |
| 1950 to 1959 | 618 | 4.2% | ±175 |
| 1940 to 1949 | 67 | 0.5% | ±50 |
| 1939 or earlier | 245 | 1.7% | ±108 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| ZIP (ZCTA) | Share of Gahanna's land | Share of the ZIP inside the city |
|---|---|---|
| 43230 | 92% | 56% |
pest control questions from Gahanna homeowners
My Gahanna home is new — do I need termite protection?
Check your closing documents for a builder termite pre-treatment and warranty first. 6% of Gahanna homes were built in 2010 or later[1].
I rent in Gahanna. Who pays for pest control?
Your lease decides. 29% of Gahanna households rent[1].
Which areas does this page cover?
ZIP 43230[4], Franklin County. Nearest suburbs with their own pages: Whitehall (4.7 mi), Westerville (6.2 mi), and Reynoldsburg (7.1 mi)[3].
Sources
- Census ACS 2020–2024 5-year (keyless bulk)
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- Census 2020 ZCTA–place file
- NOAA Storm Events Database
Data pulled Sep 28, 2026. Full citations and method.