Washington is 185% more expensive than Springfield.
When comparing Washington, DC and Springfield, MO, the overall cost of living indices are 171 and 60 respectively (national median = 100). Rent is $980/month cheaper in Springfield, saving renters about $11,760/year.
Median household income is $60,303/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $165,200 in Springfield.
Missouri has a lower income tax rate, making Springfield slightly more tax-friendly.
Washington vs Springfield — common questions
Other cost of living comparisons for Washington and Springfield