Irvine is 51% more expensive than Downey.
When comparing Irvine, CA and Downey, CA, the overall cost of living indices are 256 and 169 respectively (national median = 100). Rent is $1,001/month cheaper in Downey, saving renters about $12,012/year.
Median household income is $42,247/year higher in Irvine. Home values also differ significantly — the median in Irvine is $1,115,400 compared to $728,500 in Downey.
Both cities share the same state tax structure since they are in California.
Irvine vs Downey — common questions
Other cost of living comparisons for Irvine and Downey