Can I Afford to Live in Sioux Falls vs Mobile on $100K?

Here's how a $100K/year salary plays out in both cities after taxes, rent, and core living expenses โ€” based on Q1 2026 data.

Sioux Falls, SD
$6,321/mo take-home
Rent: $1,250/mo (20% of take-home)
Very comfortable
Mobile, AL
$5,904/mo take-home
Rent: $1,100/mo (19% of take-home)
Very comfortable

Monthly budget breakdown

Expense
Sioux Falls
SD
Mobile
AL
Monthly take-home (est.)$6,321$5,904
1BR rent$1,250$1,100
Groceries (est.)$365$353
Transport (est.)$42$38
Utilities$155$172
Internet$60$58
Left after essentials$4,449/month$4,183/month
Sioux Falls (South Dakota) has no state income tax, boosting take-home vs Mobile (AL rate: 5%).

Frequently asked questions

Is $100K a good salary in Sioux Falls?

At $100K/year in Sioux Falls, your estimated monthly take-home is $6,321. With 1BR rent around $1,250/month, rent takes up 20% of your take-home. That's considered very comfortable.

Is $100K a good salary in Mobile?

At $100K/year in Mobile, your estimated monthly take-home is $5,904. With 1BR rent around $1,100/month, rent takes up 19% of your take-home. That's considered very comfortable.

Which city is more affordable on a $100K salary?

Sioux Falls leaves you with more money after core expenses โ€” $4,449/month vs $4,183/month in Mobile.

Can I afford to live alone in Sioux Falls on $100K?

Yes. At $100K in Sioux Falls, rent takes 20% of your take-home, leaving $4,449/month after essentials. Most financial planners recommend keeping rent below 30%.

Compare other salary bands โ€” Sioux Falls vs Mobile

See the full cost-of-living comparison

Rent, groceries, taxes, transportation, and more โ€” side by side.

Full comparison

Take-home estimates use simplified federal/state brackets and do not account for pre-tax deductions, 401(k), or local taxes. Data: Zillow, BLS, Numbeo ยท Q1 2026 ยท For general guidance only