Concord is 11% more expensive than Downey.
When comparing Concord, CA and Downey, CA, the overall cost of living indices are 187 and 169 respectively (national median = 100). Rent is $334/month cheaper in Downey, saving renters about $4,008/year.
Median household income is $21,795/year higher in Concord. Home values also differ significantly — the median in Concord is $755,900 compared to $728,500 in Downey.
Both cities share the same state tax structure since they are in California.
Concord vs Downey — common questions
Other cost of living comparisons for Concord and Downey