Washington is 25% more expensive than Santa Maria.
When comparing Washington, DC and Santa Maria, CA, the overall cost of living indices are 171 and 137 respectively (national median = 100). Rent is $58/month cheaper in Santa Maria, saving renters about $696/year.
Median household income is $21,670/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $478,200 in Santa Maria.
District of Columbia has a lower income tax rate, making Washington slightly more tax-friendly.
Washington vs Santa Maria — common questions
Other cost of living comparisons for Washington and Santa Maria