Washington is 167% more expensive than Montgomery.
When comparing Washington, DC and Montgomery, AL, the overall cost of living indices are 171 and 64 respectively (national median = 100). Rent is $841/month cheaper in Montgomery, saving renters about $10,092/year.
Median household income is $50,600/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $148,500 in Montgomery.
Alabama has a lower income tax rate, making Montgomery slightly more tax-friendly.
Washington vs Montgomery — common questions
Other cost of living comparisons for Washington and Montgomery