Total Population in Ontario County, NY
ACS 2024 5-Year Estimates
112,625
Rank #559/3,222 · #26 in NY
83th
Ontario 112,625
NY 20M -99.4%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Ontario County's total population of 112,625 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Ontario County for total population.
Nearby Rankings
Full ranking →| #556 | Bartow County, GA | 113,113 |
| #557 | Matanuska-Susitna Borough, AK | 112,988 |
| #558 | Hanover County, VA | 112,879 |
| #559 | Ontario County, NY | 112,625 |
| #560 | Cowlitz County, WA | 112,360 |
| #561 | Delaware County, IN | 112,280 |
| #562 | Douglas County, OR | 112,072 |
About Total Population
Ontario County, New York has a total population of 112,625, ranking #559 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within New York, it ranks #26 of 62. This places it in the 83th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.