Rosemead, CA vs Simi Valley, CA
Rosemead is moderately more affordable than Simi Valley, with a 14.3% lower cost of living index. Rosemead scores 152 compared to 178 for Simi Valley, where the US average is 100. This difference means residents of Simi Valley can expect to pay noticeably more for everyday expenses, housing, and services.
On the housing front, median rent in Rosemead is $1,728/month compared to $2,513/month in Simi Valley — a 31% difference. Home values follow the same pattern: Rosemead is more affordable at $729,600 median vs $753,500.
Median household income in Rosemead is $72,248 compared to $117,703 in Simi Valley (-38.6%). While Simi 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 Rosemead spend roughly 28.7% of their income on rent, more than the 25.6% in Simi Valley.
Climate-wise, both cities share similar average temperatures (65.8°F vs 66.6°F). Rosemead receives more rainfall at 14.3" per year compared to 13.4" in Simi Valley.
Income & Cost
Housing
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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)