Washington is 125% more expensive than Pittsburgh.
When comparing Washington, DC and Pittsburgh, PA, the overall cost of living indices are 171 and 76 respectively (national median = 100). Rent is $679/month cheaper in Pittsburgh, saving renters about $8,148/year.
Median household income is $42,150/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $193,200 in Pittsburgh.
Pennsylvania has a lower income tax rate, making Pittsburgh slightly more tax-friendly.
Washington vs Pittsburgh — common questions
Other cost of living comparisons for Washington and Pittsburgh