Washington is 125% more expensive than Norman.
When comparing Washington, DC and Norman, OK, the overall cost of living indices are 171 and 76 respectively (national median = 100). Rent is $836/month cheaper in Norman, saving renters about $10,032/year.
Median household income is $41,227/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $239,300 in Norman.
Oklahoma has a lower income tax rate, making Norman slightly more tax-friendly.
Washington vs Norman — common questions
Other cost of living comparisons for Washington and Norman