Washington is 17% more expensive than Fontana.
When comparing Washington, DC and Fontana, CA, the overall cost of living indices are 171 and 146 respectively (national median = 100). Rent is $167/month cheaper in Fontana, saving renters about $2,004/year.
Median household income is $8,100/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $558,500 in Fontana.
District of Columbia has a lower income tax rate, making Washington slightly more tax-friendly.
Washington vs Fontana — common questions
Other cost of living comparisons for Washington and Fontana