Houston is 49% cheaper than Washington.
When comparing Houston, TX and Washington, DC, the overall cost of living indices are 88 and 171 respectively (national median = 100). Rent is $587/month cheaper in Houston, saving renters about $7,044/year.
Median household income is $43,393/year higher in Washington. Home values also differ significantly — the median in Houston is $253,400 compared to $724,600 in Washington.
Texas has no state income tax, giving Houston residents a significant tax advantage over District of Columbia's 10.75% rate.
Houston vs Washington — common questions
Other cost of living comparisons for Houston and Washington