Hayward is 18% more expensive than Downey.
When comparing Hayward, CA and Downey, CA, the overall cost of living indices are 200 and 169 respectively (national median = 100). Rent is $468/month cheaper in Downey, saving renters about $5,616/year.
Median household income is $26,375/year higher in Hayward. Home values also differ significantly — the median in Hayward is $820,700 compared to $728,500 in Downey.
Both cities share the same state tax structure since they are in California.
Hayward vs Downey — common questions
Other cost of living comparisons for Hayward and Downey