Tax Calculator

Paycheck Tax Calculator

Back to calculator
US relocation · 2026

Massachusetts flagMassachusetts → South Dakota flagSouth Dakota

At $100,000 gross, you’d need about $62,069 in South Dakota to match Massachusetts purchasing power — and same-gross take-home shifts by +$5,880/year.

By Sammy S. · Founder · AuthorUpdated for 2026

Stronger purchasing power

South Dakota leads

COL index moves -53.7 from Massachusetts (147.8) to South Dakota (94.1). Median household income delta: −$27,400 (97,200 USD → 69,800 USD). At $100,000 gross (Boston → Sioux Falls): equivalent salary ~$62,069; same-gross take-home +$5,880/year.

Side-by-side state scoreboard

Massachusetts

68

Purchasing power index · 100 = national avg

COL index
147.8
Median income
97,200 USD
Sales tax
~6.25%
Property tax
~1%
Income tax
Taxed
$100k take-home
$73,300
Massachusetts calculator →

South Dakota

106

Purchasing power index · 100 = national avg

COL index
94.1
Median income
69,800 USD
Sales tax
~6.11%
Property tax
~1%
Income tax
None
$100k take-home
$79,180
South Dakota calculator →

$100k example: Boston → Sioux Falls

Single filer, tax year 2026. Equivalent salary adjusts for city cost of living; take-home uses our federal + state + payroll engine.

Equivalent gross needed

$62,069

-37.9% vs current

Take-home in Boston

$73,300

Take-home in Sioux Falls (same gross)

$79,180

Same-gross delta

+$5,880

1BR rent: $2,780/mo → $900/mo
Personalize this city pair

Housing: Boston → Sioux Falls

Approximate median monthly rents for the primary metros in Massachusetts and South Dakota. Negative delta means housing is cheaper in Sioux Falls. Figures are planning estimates — neighborhoods vary.

1BR rent delta / yr

−$22,560

1BR % of $100k (Boston)

33.4%

$2,780/mo

1BR % of $100k (Sioux Falls)

10.8%

$900/mo

Property tax (effective)

~1% → ~1%

Massachusetts → South Dakota

At COL-equivalent salary in Sioux Falls, 1BR rent is about 17.4% of gross — vs 10.8% if you keep $100,000 gross.

Apartment rent (monthly)

SizeBostonSioux FallsDelta / mo
Studio$2,300$750−$1,550
1 bedroom$2,780$900−$1,880
2 bedroom$3,300$1,120−$2,180
3 bedroom$4,100$1,420−$2,680

House rent (monthly)

SizeBostonSioux FallsDelta / mo
2 bedroom$3,200$1,220−$1,980
3 bedroom$4,000$1,520−$2,480
4 bedroom$5,000$1,900−$3,100

Buy instead? Est. mortgage (3BR house)

Boston payment

$4,599/mo

Sioux Falls payment

$1,747/mo

Payment delta

−$2,851

Est. purchase price

$864,000 → $328,320

Illustrative P&I only: 20% down, 7% APR, 30-year fixed. Price ≈ annual rent × 18 (price-to-rent). Taxes, insurance, and HOA not included — open the calculator Housing section to adjust.

Sources: approximate metro medians (Zillow / Zumper-style US benchmarks; CMHC-style for Canada). Property tax rates are statewide effective averages. Personalize unit size, rent vs buy, and down payment in the relocation calculator.

Model housing for Boston → Sioux Falls

City-to-city comparisons

Run the calculator for Massachusetts → South Dakota

Equivalent salary and after-tax take-home need specific metros. Pick a pair to pre-fill the relocation calculator, or open it blank.

Open salary calculator

Related tools

Dig into taxes, rank all states, or flip the move direction.

Estimates for planning only. Cost-of-living indices and tax rules change; verify with local sources or a professional before relocating.