Median Age in Ontario County, NY
ACS 2024 5-Year Estimates
44.2 years
Rank #892/3,222 · #13 in NY
72th
Ontario 44.2 years
NY 39.8 years +11.1%
US 38.9 years +13.6%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Ontario County's median age of 44.2 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Ontario County for median age.
Nearby Rankings
Full ranking →| #889 | Jefferson County, KS | 44.2 years |
| #890 | Greenup County, KY | 44.2 years |
| #891 | Oceana County, MI | 44.2 years |
| #892 | Ontario County, NY | 44.2 years |
| #893 | Person County, NC | 44.2 years |
| #894 | Bottineau County, ND | 44.2 years |
| #895 | Bucks County, PA | 44.2 years |
About Median Age
Ontario County, New York has a median age of 44.2 years, ranking #892 of 3,222 counties nationwide — 13.6% above the national value of 38.9 years. Within New York, it ranks #13 of 62. This places it in the 72th percentile nationally.
The median age of the total population. 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.