Ontario, OH Demographics

A map of Ontario's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	5,680	5,629	85.2%	84.6%
Black	376	302	5.6%	4.5%
Multiracial	222	316	3.3%	4.7%
Asian	146	199	2.2%	3.0%
Native American/Other	130	45	1.9%	0.7%
Hispanic	113	165	1.7%	2.5%

Ontario, Ohio has an estimated population of 6,667, a less than 1% change from the 6,656 recorded in the 2020 Census. The population is 85.2% White, 5.6% Black, 3.3% Multiracial, 2.2% Asian, 1.9% Native American/Other, and 1.7% Hispanic. This demographic dot map shows the population of Ontario, with one dot drawn for each person counted by the Census, color-coded by race.

Ontario has become less racially diverse since the 2020 Census. It is considerably less 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 Ontario, that probability was 27.9% in 2020 and 26.9% in the most recent ACS estimates.

Ontario is ranked the 247th 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). Ontario was ranked the 245th most populous place in the 2020 Census.

Ontario's White Population

5,680 residents of Ontario, or 85.2% of the population, identify as White. The share of White residents in Ontario is higher than in Ohio overall, where 75.8% of the population is White. Ontario ranks 1025th statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Ontario's White population has remained roughly the same. White residents' share of Ontario's population has increased from 84.6% to 85.2%.

Ontario is more White than neighboring Mansfield (70.2% White), and Lincoln Heights (83.4% White). Ontario is less White than neighboring Roseland (94.4% White), Lexington (92.3% White), and Shelby (94.5% White).

Ontario's Black Population

376 residents of Ontario, or 5.6% of the population, identify as Black. The share of Black residents in Ontario is lower than in Ohio overall, where 12% of the population is Black. Ontario ranks 202nd statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Ontario's Black population has grown by an estimated 24.5%. Black residents' share of Ontario's population has increased from 4.5% to 5.6%.

Ontario is more Black than neighboring Roseland (0.9% Black), Lexington (3.7% Black), Shelby (0.3% Black), and Lincoln Heights (2.6% Black). Ontario is less Black than neighboring Mansfield (15.8% Black).

Ontario's Asian Population

146 residents of Ontario, or 2.2% of the population, identify as Asian. The share of Asian residents in Ontario is comparable to the share in Ohio overall, where 2.5% of the population is Asian. Ontario ranks 107th statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Ontario's Asian population has declined by an estimated 26.6%. Asian residents' share of Ontario's population has decreased from 3.0% to 2.2%.

Ontario is more Asian than neighboring Roseland (0% Asian), Mansfield (0.9% Asian), Lexington (0% Asian), Shelby (1.6% Asian), and Lincoln Heights (0% Asian).

Ontario's Hispanic Population

113 residents of Ontario, or 1.7% of the population, identify as Hispanic. The share of Hispanic residents in Ontario is slightly lower than in Ohio overall, where 4.8% of the population is Hispanic. Ontario ranks 487th statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Ontario's Hispanic population has declined by an estimated 31.5%. Hispanic residents' share of Ontario's population has decreased from 2.5% to 1.7%.

Ontario is more Hispanic than neighboring Shelby (1.4% Hispanic). Ontario is less Hispanic than neighboring Roseland (2.6% Hispanic), Mansfield (3.3% Hispanic), Lexington (2.7% Hispanic), and Lincoln Heights (5.1% Hispanic).

Ontario's Native American/Other Population

130 residents of Ontario, or 1.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Ontario is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Ontario ranks 327th statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Ontario's Native American/Other population has grown by an estimated 188.9%. Native American/Other residents' share of Ontario's population has increased from 0.7% to 1.9%.

Ontario is more Native American/Other than neighboring Roseland (0.1% Native American/Other), Mansfield (1.3% Native American/Other), Lexington (0% Native American/Other), Shelby (0% Native American/Other), and Lincoln Heights (0% Native American/Other).

Ontario's Multiracial Population

222 residents of Ontario, or 3.3% of the population, identify as Multiracial. The share of Multiracial residents in Ontario is comparable to the share in Ohio overall, where 4.3% of the population is Multiracial. Ontario ranks 338th statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Ontario's Multiracial population has declined by an estimated 29.7%. Multiracial residents' share of Ontario's population has decreased from 4.7% to 3.3%.

Ontario is more Multiracial than neighboring Roseland (2% Multiracial), Lexington (1.4% Multiracial), and Shelby (2.1% Multiracial). Ontario is less Multiracial than neighboring Mansfield (8.5% Multiracial), and Lincoln Heights (8.9% 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.