Ontario County

General Overview

Ontario County, first organized in 1789, is situated southeast of Rochester. Much of Canandaigua Lake and the northwest shore of Seneca Lake are located in Ontario County. Ontario is the second most populous county in the region after Monroe with just under 110,000 residents in 2019.

With a 9.8% increase in residents from 2000 to 2019, Ontario County is one of only two counties in the region (along with Seneca) to experience considerable growth. Ontario has a strong tourism sector, anchored by the high-end Eastview Mall, CMAC Performing Arts Center, and several wineries and breweries.

Ontario continues to have the highest median income and home values in the region, along with the lowest poverty rate. Ontario has among the lowest unemployment rates in the region. A third of residents hold a bachelor’s degree or higher and the county has the lowest share of the adult population receiving less than a high school diploma in the region.

See below to access the latest Ontario County Report Card, or a summary table of "Hard Facts" impacting this particular part of our region.

Now available, view and print a summary of how Ontario County is performing on ACT Rochester indicators.

Ontario County Report Card

The Ontario County Report Card aggregates data from more than 100 community indicators on the site and use symbols, colors and arrows to provide a quick, at-a-glance overview of the well-being of the county. This data covers each of ACT Rochester's nine topic groups. Click on the picture below for the full report.

2022 Ontario County Report Card.jpg

"Hard Facts" About Our Community

In 2017, ACT Rochester released its latest race report, “Hard Facts: Race and Ethnicity in the Nine-County Greater Rochester Area” to examine the substantial gaps in educational and economic outcomes among persons of different racial and ethnic backgrounds. The table below highlights some of the disparities currently impacting residents in Ontario County.

Hard Facts about Ontario County

Note: Data research and analysis completed by the Center for Governmental Research