Does Iowa have state income tax?
Iowa charges a flat 3.80% state income tax on wage income, the same rate no matter how much you earn.
Instant answer for a $100,000 Iowa salary
On a $100,000 gross salary in Iowa, your take-home pay is approximately $75,935/year ($6,328/month) after federal income tax, FICA, and Iowa state tax. Iowa charges a flat 3.80% state income tax on wage income, the same rate no matter how much you earn.
Annual take-home
$75,935
On $100,000 gross
Monthly net pay
$6,328
Take-home per month
Effective tax rate
24.07%
Federal + FICA + state
Iowa state tax
$3,245
On $100,000 gross
Enter your own gross salary below, pre-set to Iowa state tax, to see your exact 2026 federal, FICA, and state tax breakdown.
Federal tax + FICA is always included; state tax is optional. Select a state below to add it, it varies enormously (Texas and Washington charge none; California and New York City charge 13%+ combined), so leaving "No state selected" shows the federal baseline every W-2 employee pays.
2026 tax year, single filer. Standard deduction $16,100 (federal).
Common salaries:
Take-home pay
$75,935
Take-home for the full year.
Per month
$6,328
Per biweekly check
$2,921
Per week
$1,460
Effective tax rate
24.1%
How your $100,000 is split
$75,935
75.9%
$13,170
13.2%
$7,650
7.6%
$3,245
3.2%
| Gross salary | $100,000 |
| Federal tax | -$13,170 |
| Social Security | -$6,200 |
| Medicare | -$1,450 |
| State income tax (Iowa) | -$3,245 |
| Total deductions | -$24,065 |
| Net take-home (annual) | $75,935 |
Calculations use 2026 federal tax brackets and FICA (Social Security + Medicare) figures for a single filer. State tax, where selected, uses that state's own 2026 brackets or flat rate; New York additionally stacks New York City's local income tax on top. Leaving "No state selected" shows the federal-only baseline. Does not account for 401(k) contributions, HSA contributions, itemized deductions, or filing statuses other than single. For precise figures, consult the IRS or a tax professional.
Single filer, standard deduction, no pre-tax 401(k) or HSA contributions.
| Salary | Federal tax | FICA | Iowa tax | Take-home | Per biweekly check |
|---|---|---|---|---|---|
| $40,000 | $2,620 | $3,060 | $965 | $33,355 | $1,283 |
| $60,000 | $5,020 | $4,590 | $1,725 | $48,665 | $1,872 |
| $80,000 | $8,770 | $6,120 | $2,485 | $62,625 | $2,409 |
| $100,000 | $13,170 | $7,650 | $3,245 | $75,935 | $2,921 |
| $125,000 | $18,734 | $9,563 | $4,195 | $92,508 | $3,558 |
| $150,000 | $24,734 | $11,475 | $5,145 | $108,646 | $4,179 |
| $200,000 | $36,734 | $14,339 | $7,045 | $141,882 | $5,457 |
| $250,000 | $51,304 | $15,514 | $8,945 | $174,237 | $6,701 |
The same $75,935 annual take-home split across a year of paychecks.
Weekly
$1,460
52 paychecks a year
Biweekly
$2,921
26 paychecks a year
Semimonthly
$3,164
24 paychecks a year
Monthly
$6,328
12 paychecks a year
Rates apply to Iowa taxable income, which is your salary minus the $14,600 state standard deduction or exemption used here for a single filer.
| Taxable income | Rate |
|---|---|
| Over $0 | 3.80% |
Iowa charges a flat 3.80% state income tax on wage income, the same rate no matter how much you earn.
On a $100,000 gross salary in Iowa for 2026, estimated take-home is $75,935 per year ($6,328 per month), after $13,170 in federal income tax, $7,650 in FICA, and $3,245 in Iowa state tax. That's an overall effective rate of 24.07%.
Iowa uses a single flat rate of 3.80% on all wage income, there are no brackets, everyone pays the same percentage.
Moving from Iowa to a zero-tax state like Texas, Florida, or Washington would save the $3,245 in state tax shown above on a $100,000 salary, with federal tax and FICA unchanged either way. At higher salaries the gap widens further since Iowa's flat rate keeps applying while a zero-tax state's bill stays at $0.
About $2,921 every two weeks (26 paychecks), or $3,164 if you're paid semimonthly (24 paychecks), after federal income tax, FICA, Iowa state tax. Once your year-to-date pay passes the $184,500 Social Security wage base, the 6.2% Social Security deduction stops and later paychecks get bigger.
It uses 2026 IRS federal tax brackets and standard deduction (Rev. Proc. 2025-32), 2026 Social Security/Medicare rates, and Iowa's own 2026 state tax rates, for a single filer claiming the standard deduction. It doesn't account for pre-tax 401(k)/HSA contributions, itemized deductions, dependents, other filing statuses, or (outside NYC) local/county/city income tax. Always verify with the IRS, Iowa's revenue department, or a tax professional for precise figures.
Iowa take-home figures use 2026 IRS federal tax brackets and standard deduction (Rev. Proc. 2025-32), 2026 FICA (Social Security + Medicare) figures, and Iowa's own 2026 state tax rules, for a single filer. Excludes 401(k)/HSA contributions and other credits or deductions, and (outside NYC) local/county/city income tax. State disability and paid-leave premiums use 2026 state agency rates and are shown in the salary table only. Always confirm with the IRS, Iowa's revenue department, or a tax professional for your exact position.