Washington is 57% more expensive than San Bernardino.
When comparing Washington, DC and San Bernardino, CA, the overall cost of living indices are 171 and 109 respectively (national median = 100). Rent is $467/month cheaper in San Bernardino, saving renters about $5,604/year.
Median household income is $42,299/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $384,900 in San Bernardino.
District of Columbia has a lower income tax rate, making Washington slightly more tax-friendly.
Washington vs San Bernardino — common questions
Other cost of living comparisons for Washington and San Bernardino