Rocklin, CA vs Seal Beach, CA
Rocklin, CA and Seal Beach, CA have a very similar cost of living, with only a 3.6% difference in their overall index. Rocklin scores 159 while Seal Beach scores 154 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.
On the housing front, median rent in Rocklin is $2,178/month compared to $2,419/month in Seal Beach — a 10% difference. Interestingly, home values tell a different story: while Rocklin has cheaper rent, Seal Beach actually has lower median home values ($492,200 vs $673,300).
Median household income in Rocklin is $120,916 compared to $83,045 in Seal Beach (+45.6%). While Rocklin is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Rocklin spend roughly 21.6% of their income on rent, less than the 35% in Seal Beach. The Rocklin ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.
Climate-wise, both cities share similar average temperatures (63.4°F vs 64.9°F). Rocklin receives more rainfall at 19.2" per year compared to 12" in Seal Beach.
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)