French Valley, CA vs Vallejo, CA
There is a significant gap in the cost of living between these two cities. Vallejo is 25% cheaper than French Valley. With a cost index of 145 vs 181, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Vallejo to French Valley should plan for substantially higher expenses across most categories.
On the housing front, median rent in French Valley is $3,016/month compared to $2,013/month in Vallejo — a 50% difference. Home values follow the same pattern: Vallejo is more affordable at $557,500 median vs $637,800.
Median household income in French Valley is $132,605 compared to $89,496 in Vallejo (+48.2%). While French Valley is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of French Valley spend roughly 27.3% of their income on rent, more than the 27% in Vallejo.
Climate-wise, French Valley is notably warmer with an average of 65.1°F compared to 57.7°F in Vallejo. Vallejo receives more rainfall at 20.2" per year compared to 15.3" in French Valley.
Income & Cost
Housing
Salary Equivalency Calculator
What does your salary in one city buy you in the other?
Rent by Bedroom Size
HUD Fair Market Rent (FY 2026) — metro area average
Everyday Prices
BLS Average Prices by metro area
Climate
NOAA 30-year normals (1991-2020)