Ontario is a mid-size city in southeastern California counting 185,285 people who proudly call it home. It stands among the 500 most populous places in the United States (#143 nationwide).
Officially, Ontario is an incorporated city with its own municipal government. The community covers 49.98 square miles, giving it a compact, walkable footprint at roughly 3,707 residents per square mile.
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Public schools, U.S. Dept. of Education (NCES) 2023–24 directory.