Downey is 26% cheaper than Costa Mesa.
When comparing Downey, CA and Costa Mesa, CA, the overall cost of living indices are 169 and 228 respectively (national median = 100). Rent is $503/month cheaper in Downey, saving renters about $6,036/year.
Median household income is $22,673/year higher in Costa Mesa. Home values also differ significantly — the median in Downey is $728,500 compared to $1,054,700 in Costa Mesa.
Both cities share the same state tax structure since they are in California.
Downey vs Costa Mesa — common questions
Other cost of living comparisons for Downey and Costa Mesa