Gahanna Population

1880–2026

35,937

2026 projection

0.6% since 2020 (increase)

010K20K30K40K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Gahanna. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202635,937-490.14%
202535,986+4811.35%
202435,505+460.13%
202335,459+2280.65%
202235,231-2220.63%
202135,453-2730.76%
202035,726+310.09%
201935,695+320.09%
201835,663+1060.30%
201735,557+2380.67%

Showing 10 of 30 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Gahanna is growing about as fast as Ohio, and slower than Franklin County and the U.S.

  • United States+3.1%
  • Franklin County+2.8%
  • Ohio+0.9%
  • Gahanna+0.8%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Gahanna Demographics

38.8median age

Median age

Female40.3 yrs
Male37.9 yrs

Adults

26,487
5,943 seniors (65+) · 22% of adults20,544 other adults

Sex

Female 52.7% · 18,689Male 47.3% · 16,797

Population by age

MaleFemale85+ years, male: 7185+ years, female: 58080–84 years, male: 27680–84 years, female: 33675–79 years, male: 38175–79 years, female: 59970–74 years, male: 74270–74 years, female: 86665–69 years, male: 1,06965–69 years, female: 1,02360–64 years, male: 1,36860–64 years, female: 1,27755–59 years, male: 67755–59 years, female: 1,23950–54 years, male: 1,00750–54 years, female: 1,05945–49 years, male: 1,24145–49 years, female: 1,25740–44 years, male: 91440–44 years, female: 1,17035–39 years, male: 1,35835–39 years, female: 1,45630–34 years, male: 1,31830–34 years, female: 1,29625–29 years, male: 1,13625–29 years, female: 96220–24 years, male: 42520–24 years, female: 62015–19 years, male: 94815–19 years, female: 1,56610–14 years, male: 1,32910–14 years, female: 1,6055–9 years, male: 1,3665–9 years, female: 8990–4 years, male: 1,1710–4 years, female: 87985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 355 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Gahanna Income

$109,061median household income

Median household income

$109,061

Half of households earn more, half earn less

Median earnings

$66,060

Typical yearly pay for a worker 25 or older.

Poverty rate

5.6%

About 1 in 18 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Gahanna Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%59%50%
Never married28%29%27%
Divorced11%6%14%
Widowed5%4%6%
Separated2%1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources