Riverside is 15% cheaper than Downey.
When comparing Riverside, CA and Downey, CA, the overall cost of living indices are 144 and 169 respectively (national median = 100). Rent is $80/month cheaper in Riverside, saving renters about $960/year.
Median household income is $1,175/year higher in Riverside. Home values also differ significantly — the median in Riverside is $542,100 compared to $728,500 in Downey.
Both cities share the same state tax structure since they are in California.
Riverside vs Downey — common questions
Other cost of living comparisons for Riverside and Downey