Ontario County Demographics

A map of Ontario County's Population by Race

Ontario County, New York had a population of 112,458 in 2020. It was 86.6% White, 2.2% Black, 1.2% Asian, 5.4% Hispanic, 0.6% Native American/Other, and 4.0% Multiracial. This map presents the population of Ontario County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Ontario County is the 26th most populous county of the 62 counties in New York.

Ontario County's White Population

97,397 residents of Ontario County identify as White, or 86.6%. This makes the White share of the population of Ontario County considerably larger than the White share of the population of New York (52.5% White). Of the 62 counties in New York, Ontario County is ranked #28 in terms of White residents as a share of the population.

Ontario County is less White than neighboring Yates County (93% White), Livingston County (88.3% White), Wayne County (86.8% White), and Steuben County (90.1% White).

Ontario County's Black Population

2,439 residents of Ontario County identify as Black, or 2.2%. This makes the Black share of the population of Ontario County slightly less than the Black share of the population of New York (13.7% Black). Of the 62 counties in New York, Ontario County is ranked #41 in terms of Black residents as a share of the population.

Ontario County is more Black than neighboring Yates County (0.6% Black), Livingston County (1.7% Black), and Steuben County (1.5% Black). Ontario County is less Black than neighboring Seneca County (3.7% Black), and Wayne County (2.6% Black).

Ontario County's Asian Population

1,374 residents of Ontario County identify as Asian, or 1.2%. This makes the Asian share of the population of Ontario County slightly less than the Asian share of the population of New York (9.5% Asian). Of the 62 counties in New York, Ontario County is ranked #31 in terms of Asian residents as a share of the population.

Ontario County is more Asian than neighboring Yates County (0.4% Asian), Seneca County (0.8% Asian), Livingston County (1.1% Asian), and Wayne County (0.5% Asian). Ontario County is less Asian than neighboring Steuben County (1.7% Asian).

Ontario County's Hispanic Population

6,113 residents of Ontario County identify as Hispanic, or 5.4%. This makes the Hispanic share of the population of Ontario County less than the Hispanic share of the population of New York (19.5% Hispanic). Of the 62 counties in New York, Ontario County is ranked #28 in terms of Hispanic residents as a share of the population.

Ontario County is more Hispanic than neighboring Yates County (2.7% Hispanic), Seneca County (4% Hispanic), Livingston County (4.4% Hispanic), Wayne County (4.9% Hispanic), and Steuben County (1.8% Hispanic).

Ontario County's Native American/Other Population

638 residents of Ontario County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.6%. This makes the Native American/Other share of the population of Ontario County roughly similar to the Native American/Other share of the population of New York (1.3% Native American/Other). Of the 62 counties in New York, Ontario County is ranked #44 in terms of Native American/Other residents as a share of the population.

Ontario County is more Native American/Other than neighboring Yates County (0.5% Native American/Other), Livingston County (0.5% Native American/Other), and Wayne County (0.5% Native American/Other). Ontario County is less Native American/Other than neighboring Seneca County (0.7% Native American/Other).

Ontario County's Multiracial Population

4,497 residents of Ontario County identify as Multiracial, or 4.0%. This makes the Multiracial share of the population of Ontario County roughly similar to the Multiracial share of the population of New York (3.6% Multiracial). Of the 62 counties in New York, Ontario County is ranked #40 in terms of Multiracial residents as a share of the population.

Ontario County is more Multiracial than neighboring Yates County (2.8% Multiracial). Ontario County is less Multiracial than neighboring Seneca County (4.2% Multiracial), Wayne County (4.6% Multiracial), and Steuben County (4.3% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.