Salt Lake City is 50% more expensive than Sioux Falls.
When comparing Salt Lake City, UT and Sioux Falls, SD, the overall cost of living indices are 117 and 78 respectively (national median = 100). Rent is $350/month cheaper in Sioux Falls, saving renters about $4,200/year.
Median household income is $211/year higher in Salt Lake City. Home values also differ significantly — the median in Salt Lake City is $495,700 compared to $271,400 in Sioux Falls.
South Dakota has no state income tax, giving Sioux Falls residents a significant tax advantage over Utah's 4.65% rate.
Salt Lake City vs Sioux Falls — common questions
Other cost of living comparisons for Salt Lake City and Sioux Falls