Washington is 128% more expensive than Killeen.
When comparing Washington, DC and Killeen, TX, the overall cost of living indices are 171 and 75 respectively (national median = 100). Rent is $753/month cheaper in Killeen, saving renters about $9,036/year.
Median household income is $47,948/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $196,000 in Killeen.
Texas has no state income tax, giving Killeen residents a significant tax advantage over District of Columbia's 10.75% rate.
Washington vs Killeen — common questions
Other cost of living comparisons for Washington and Killeen