Folsom, CA vs Ontario, CA
There is a significant gap in the cost of living between these two cities. Ontario is 15.9% cheaper than Folsom. With a cost index of 142 vs 165, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Ontario to Folsom should plan for substantially higher expenses across most categories.
On the housing front, median rent in Folsom is $2,279/month compared to $1,916/month in Ontario — a 19% difference. Home values follow the same pattern: Ontario is more affordable at $568,000 median vs $702,200.
Median household income in Folsom is $139,263 compared to $82,806 in Ontario (+68.2%). While Folsom is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Folsom spend roughly 19.6% of their income on rent, less than the 27.8% in Ontario.
Climate-wise, Ontario is notably warmer with an average of 66.8°F compared to 63.4°F in Folsom. Folsom receives more rainfall at 19.2" per year compared to 11.6" in Ontario.
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Housing
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Rent by Bedroom Size
HUD Fair Market Rent (FY 2026) — metro area average
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Climate
NOAA 30-year normals (1991-2020)