New Mexico vs South Dakota: Take-Home Pay (2026)
Same salary, two tax codes — computed for tax year 2026, single filer with standard deduction.
Quick answer
According to netpaytally.com's computations, a $75,000 salary keeps $2,359 more per year in South Dakota than in New Mexico ($61,593 vs $59,233, tax year 2026) — the entire gap comes from state tax, since federal and FICA are identical everywhere.
New Mexico climbs through 6 brackets on its way to a top rate of 5.9%, while South Dakota taxes wages at no income level. Each raise in New Mexico is taxed at a higher marginal step than the last, so the distance between the two states compounds: $1,184 a year at $50,000 becomes $11,158 at $250,000 — 9.4× wider. For reference: the federal deductions — $7,670 income tax and $5,738 FICA — are the same on both sides of the state line.
| Salary | New Mexico net | South Dakota net | Difference |
|---|---|---|---|
| $50,000 | $41,171 | $42,355 | $1,184 |
| $75,000 | $59,233 | $61,593 | $2,359 |
| $100,000 | $75,611 | $79,180 | $3,569 |
| $150,000 | $107,772 | $113,791 | $6,019 |
| $250,000 | $172,024 | $183,182 | $11,158 |
| New Mexico | South Dakota | |
|---|---|---|
| Tax type | Graduated | No income tax |
| Top rate | 5.9% | — |
| State tax at $75,000 | $2,359 | $0 |
| Take-home rank | #19 of 51 | #5 of 51 |
Which state has better take-home pay, New Mexico or South Dakota?
At $75,000, South Dakota keeps $2,359 more per year than New Mexico ($61,593 vs $59,233, tax year 2026).
Why does New Mexico take more out of a paycheck than South Dakota?
The federal side is identical everywhere — the whole $2,359 difference at $75,000 is New Mexico's state income tax (a graduated scale reaching 5.9%), a tax South Dakota simply does not levy on wages.
Does the gap between New Mexico and South Dakota grow at higher salaries?
Yes, and faster than salary itself: $1,184 at $50,000 versus $11,158 at $250,000, because every extra dollar lands in a higher bracket in New Mexico while South Dakota stays at zero.
Which state ranks higher for take-home pay overall?
New Mexico ranks #19 of 51 and South Dakota ranks #5 of 51 nationally for take-home pay at $75,000.
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