Austin is 22% cheaper than Washington.
When comparing Austin, TX and Washington, DC, the overall cost of living indices are 134 and 171 respectively (national median = 100). Rent is $245/month cheaper in Austin, saving renters about $2,940/year.
Median household income is $14,826/year higher in Washington. Home values also differ significantly — the median in Austin is $512,700 compared to $724,600 in Washington.
Texas has no state income tax, giving Austin residents a significant tax advantage over District of Columbia's 10.75% rate.
Austin vs Washington — common questions
Other cost of living comparisons for Austin and Washington