Gahanna, OH Demographics

A map of Gahanna's Population by Race

Gahanna, Ohio has an estimated population of 35,486, a less than 1% change from the 35,726 recorded in the 2020 Census. The population is 69.7% White, 16.2% Black, 6.7% Multiracial, 3.2% Asian, 3.1% Hispanic, and 1.1% Native American/Other. This demographic dot map shows the population of Gahanna, with one dot drawn for each person counted by the Census, color-coded by race.

Gahanna has become more racially diverse since the 2020 Census. It is considerably more diverse than Ohio overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Gahanna, that probability was 44.0% in 2020 and 48.1% in the most recent ACS estimates.

Gahanna is ranked the 40th most populous place in Ohio, out of 1,265 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Gahanna was ranked the 38th most populous place in the 2020 Census.

Gahanna's White Population

24,737 residents of Gahanna, or 69.7% of the population, identify as White. The share of White residents in Gahanna is lower than in Ohio overall, where 75.8% of the population is White. Gahanna ranks 1152nd statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Gahanna's White population has declined by an estimated 5.3%. White residents' share of Gahanna's population has decreased from 73.1% to 69.7%.

Gahanna is more White than neighboring Whitehall (40.8% White), Huber Ridge (68.1% White), Minerva Park (46.2% White), and Reynoldsburg (50% White). Gahanna is less White than neighboring Bexley (85.2% White).

Gahanna's Black Population

5,742 residents of Gahanna, or 16.2% of the population, identify as Black. The share of Black residents in Gahanna is slightly higher than in Ohio overall, where 12% of the population is Black. Gahanna ranks 89th statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Gahanna's Black population has grown by an estimated 12.1%. Black residents' share of Gahanna's population has increased from 14.3% to 16.2%.

Gahanna is more Black than neighboring Huber Ridge (14.2% Black), and Bexley (4.7% Black). Gahanna is less Black than neighboring Whitehall (39.8% Black), Minerva Park (37.8% Black), and Reynoldsburg (30.4% Black).

Gahanna's Asian Population

1,134 residents of Gahanna, or 3.2% of the population, identify as Asian. The share of Asian residents in Gahanna is comparable to the share in Ohio overall, where 2.5% of the population is Asian. Gahanna ranks 98th statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Gahanna's Asian population has grown by an estimated 1.3%. Asian residents' share of Gahanna's population has remained roughly unchanged at 3.2%.

Gahanna is more Asian than neighboring Whitehall (2.9% Asian), Huber Ridge (0.7% Asian), and Bexley (1.6% Asian). Gahanna is less Asian than neighboring Minerva Park (5.4% Asian), and Reynoldsburg (5.7% Asian).

Gahanna's Hispanic Population

1,093 residents of Gahanna, or 3.1% of the population, identify as Hispanic. The share of Hispanic residents in Gahanna is comparable to the share in Ohio overall, where 4.8% of the population is Hispanic. Gahanna ranks 293rd statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Gahanna's Hispanic population has declined by an estimated 16.6%. Hispanic residents' share of Gahanna's population has decreased from 3.7% to 3.1%.

Gahanna is less Hispanic than neighboring Whitehall (10.9% Hispanic), Huber Ridge (7.8% Hispanic), Bexley (3.3% Hispanic), Minerva Park (5.4% Hispanic), and Reynoldsburg (6.5% Hispanic).

Gahanna's Native American/Other Population

399 residents of Gahanna, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Gahanna is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Gahanna ranks 306th statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Gahanna's Native American/Other population has grown by an estimated 57.7%. Native American/Other residents' share of Gahanna's population has remained roughly unchanged at 1.1%.

Gahanna is more Native American/Other than neighboring Whitehall (0.2% Native American/Other), Bexley (0.1% Native American/Other), Minerva Park (0% Native American/Other), and Reynoldsburg (0.3% Native American/Other). Gahanna is less Native American/Other than neighboring Huber Ridge (4.8% Native American/Other).

Gahanna's Multiracial Population

2,381 residents of Gahanna, or 6.7% of the population, identify as Multiracial. The share of Multiracial residents in Gahanna is slightly higher than in Ohio overall, where 4.3% of the population is Multiracial. Gahanna ranks 263rd statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Gahanna's Multiracial population has grown by an estimated 32.4%. Multiracial residents' share of Gahanna's population has increased from 5.0% to 6.7%.

Gahanna is more Multiracial than neighboring Whitehall (5.4% Multiracial), Huber Ridge (4.5% Multiracial), Bexley (5.2% Multiracial), and Minerva Park (5.2% Multiracial). Gahanna is less Multiracial than neighboring Reynoldsburg (7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.