Ontario is in the Riverside metro area, 16 miles from downtown Riverside, in the southeastern part of California. The California state capital, Sacramento, is 378 miles to the northwest of Ontario. Beyond Riverside, the next major market is Anaheim at 22 miles to the southwest. Among nearby covered cities such as Upland and Montclair, Ontario is one of the larger markets.
Ontario has a population of 167,500, ranking 29th of 212 covered California cities and accounting for about 0.6% of their total population. Ontario is in the southeastern part of California (the Pacific Coast). Businesses in Ontario compete for both Ontario-specific searches — where Ontario proximity and a complete local profile give them a direct advantage — and for the broader Riverside-area queries where a strong Ontario presence can still convert metro-area customers. San Bernardino County also includes our covered cities of San Bernardino, Fontana, Rancho Cucamonga, giving multi-location programs across the county a natural hub.
Ontario (167,500) sits among covered cities like Upland (75,413), Montclair (38,027), Chino (80,988). In San Bernardino County, we also cover San Bernardino (213,708), Fontana (203,003), Rancho Cucamonga (171,386) — creating natural multi-city program opportunities for businesses operating across the area. The Riverside–Anaheim corridor (16 mi to 22 mi from Ontario) represents the competitive metro backdrop that shapes what Ontario businesses need to rank for.
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