Tustin, CA vs Walnut, CA
Tustin is moderately more affordable than Walnut, with a 14.2% lower cost of living index. Tustin scores 184 compared to 215 for Walnut, where the US average is 100. This difference means residents of Walnut can expect to pay noticeably more for everyday expenses, housing, and services.
On the housing front, median rent in Tustin is $2,340/month compared to $3,120/month in Walnut — a 25% difference. Home values follow the same pattern: Tustin is more affordable at $890,600 median vs $972,500.
Median household income in Tustin is $108,435 compared to $133,762 in Walnut (-18.9%). While Walnut is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Tustin spend roughly 25.9% of their income on rent, less than the 28% in Walnut.
Climate-wise, both cities share similar average temperatures (64.9°F vs 66.1°F). Tustin receives more rainfall at 11.2" per year compared to 10" in Walnut.
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)