Washington is 17% cheaper than Orange.
When comparing Washington, DC and Orange, CA, the overall cost of living indices are 171 and 206 respectively (national median = 100). Rent is $352/month cheaper in Washington, saving renters about $4,224/year.
Median household income is $10,658/year higher in Orange. Home values also differ significantly — the median in Washington is $724,600 compared to $900,700 in Orange.
District of Columbia has a lower income tax rate, making Washington slightly more tax-friendly.
Washington vs Orange — common questions
Other cost of living comparisons for Washington and Orange