Iowa vs New Hampshire: Take-Home Pay Compared
At a $100,000 salary, a single filer keeps $3,188 more per year in New Hampshire after federal tax, state tax, and FICA.
Iowa applies a flat 3.8% state income tax, while New Hampshire levies no state income tax.
Covers federal income tax, state income tax, and FICA. Like the rest of the site, it excludes local/city income taxes and tax credits — see the methodology.
You keep $3,188 more per year in New Hampshire ($266/month)
Iowa
You keep 76% of your gross pay
Federal income taxAnnual: −$13,170.00
- Gross income
- $100,000
- Federal standard deduction
- −$16,100
- Federal taxable income
- $83,900
| Bracket | Rate | Tax |
|---|---|---|
| $0–$12,400 | 10.0% | $1,240 |
| $12,400–$50,400 | 12.0% | $4,560 |
| $50,400–$105,700 | 22.0% | $7,370 |
| Total | $13,170 | |
Source:IRS Revenue Procedure 2025-32 (drop PDF) — Section 4.01 Tax Rate Tables and Section 3.14 Standard Deduction, tax year 2026fetched June 17, 2026
State income taxAnnual: −$3,188.20
- Gross income
- $100,000
- State standard deduction
- −$16,100
- Iowa taxable income
- $83,900
$83,900 × 3.8% = $3,188
Source:Iowa Department of Revenue — IDR Announces 2026 Individual Income Tax Rates (flat 3.8%)fetched June 17, 2026
Social SecurityAnnual: −$6,200.00
- Wages subject to Social Security
- $100,000
$100,000 × 6.2% = $6,200
Source:SSA Office of the Chief Actuary — Contribution and Benefit Basefetched June 17, 2026
MedicareAnnual: −$1,450.00
- Wages subject to Medicare
- $100,000
$100,000 × 1.45% = $1,450Medicare has no wage cap.
Source:IRS Topic No. 751 — Social Security and Medicare withholding ratesfetched June 17, 2026
New Hampshire
You keep 79% of your gross pay
Federal income taxAnnual: −$13,170.00
- Gross income
- $100,000
- Federal standard deduction
- −$16,100
- Federal taxable income
- $83,900
| Bracket | Rate | Tax |
|---|---|---|
| $0–$12,400 | 10.0% | $1,240 |
| $12,400–$50,400 | 12.0% | $4,560 |
| $50,400–$105,700 | 22.0% | $7,370 |
| Total | $13,170 | |
Source:IRS Revenue Procedure 2025-32 (drop PDF) — Section 4.01 Tax Rate Tables and Section 3.14 Standard Deduction, tax year 2026fetched June 17, 2026
Social SecurityAnnual: −$6,200.00
- Wages subject to Social Security
- $100,000
$100,000 × 6.2% = $6,200
Source:SSA Office of the Chief Actuary — Contribution and Benefit Basefetched June 17, 2026
MedicareAnnual: −$1,450.00
- Wages subject to Medicare
- $100,000
$100,000 × 1.45% = $1,450Medicare has no wage cap.
Source:IRS Topic No. 751 — Social Security and Medicare withholding ratesfetched June 17, 2026
Iowa source
Updated June 17, 2026Source: Iowa Department of Revenue — IDR Announces 2026 Individual Income Tax Rates (flat 3.8%)
New Hampshire source
Updated June 17, 2026Source: Repeal of NH Interest & Dividends Tax Now in Effect — NH Dept. of Revenue Administration
Iowa vs New Hampshire: take-home by salary
Single filer, 2026 rates, annual take-home before any pre-tax deductions.
| Salary | Iowa | New Hampshire | Difference |
|---|---|---|---|
| $75,000 | $59,354 | $61,593 | −$2,238 |
| $100,000 | $75,992 | $79,180 | −$3,188 |
| $150,000 | $108,703 | $113,791 | −$5,088 |
A positive difference means Iowa take-home is higher at that salary.
Estimate only — not tax advice. This calculator gives an approximate take-home figure based on 2026 federal income tax, Social Security and Medicare (FICA), and, where shown, state income tax. It does not account for tax credits (such as the Child Tax Credit or EITC), the Alternative Minimum Tax, preferential capital-gains rates, or itemized deductions beyond the standard deduction. Your actual paycheck may differ. Consult a qualified tax professional for advice specific to your situation.