A single gig driver in Iowa who earns $40,000 and tracks mileage should set aside about $8.39 of every $100 for 2026 (about $65 a week): $3,357 in total, including about $150 of Iowa state and local tax. Enter your own numbers below.
Estimated 2026 tax from your gig work: $4,179, about $80 a week.
Show the math
| Gig earningsSchedule C, line 1 | $42,000 |
| Mileage deductionSchedule C, line 9 (72.5¢ and 76¢ a mile) | −$13,745 |
| Other business expensesSchedule C | −$900 |
| Net profitSchedule C, line 31 | $27,355 |
| Self-employment taxSchedule SE (15.3% of 92.35% of profit) | $3,865 |
| Half of self-employment taxSchedule 1 adjustment | −$1,933 |
| Adjusted gross incomeForm 1040 | $25,422 |
| Standard deductionForm 1040 | −$16,100 |
| Tips deductionSchedule 1-A (up to $25,000) | −$11,500 |
| Business income deductionForm 8995 (QBI) | −$0 |
| Taxable incomeForm 1040 | $0 |
| Federal income tax2026 tax brackets | $0 |
| Iowa income taxState estimate | $314 |
| Total tax | $4,179 |
An estimate for planning, not tax advice. See how we calculate and our verified examples.
How much to set aside for Iowa 1099 taxes
| Yearly gig earnings | Total tax | Of which Iowa tax | Set aside per $100 |
|---|---|---|---|
| $25,000 | $2,005 | $0 | $8.02 |
| $40,000 | $3,357 | $150 | $8.39 |
| $60,000 | $5,376 | $551 | $8.96 |
Assumptions: Single filer, no other income, tips are 25% of earnings, $1.80 earned per business mile, other expenses 2% of earnings, before tax credits, 2026 rules.
Iowa self-employment and income tax rules
Iowa at a glance
| State income tax | Iowa taxes income at a flat 3.8%. |
| Deductions | Standard deduction $16,100 single, $32,200 married filing jointly; personal credit $40 per person. |
| Tips | Our Iowa estimate does not apply the federal tips deduction, so it may be slightly high if your state allows it. |
| Estimated payments | Usually on the same four dates as federal payments if you expect to owe state tax. Check with the Iowa Department of Revenue. |
| Local income tax | Some Iowa school districts add a small surtax. Enter it if it applies to you. |
Official source: Iowa Department of Revenue. Find its website on the IRS list of state tax agencies.
Federal self-employment tax still applies
Wherever you live, you pay federal income tax and 15.3% self-employment tax on your 1099 profit. The calculator includes both, plus the federal tips deduction, both 2026 IRS mileage rates and federal credits. See how we calculate.
Quarterly payment dates
| Payment | Covers income earned | Due date |
|---|---|---|
| Q1 | January 1 to March 31, 2026 | April 15, 2026 |
| Q2 | April 1 to May 31, 2026 | June 15, 2026 |
| Q3 | June 1 to August 31, 2026 | September 15, 2026 |
| Q4 | September 1 to December 31, 2026 | January 15, 2027 |
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Iowa 1099 tax calculator questions
How are DoorDash taxes calculated in Iowa?
Dashers in Iowa pay 15.3% federal self-employment tax on 92.35% of their profit, federal income tax after deductions, and Iowa tax on their income. On $40,000 of earnings the total is about $3,357 in our example.
Do Uber drivers pay Iowa income tax?
Yes. Iowa taxes rideshare and delivery profit like other self-employment income. A single driver earning $40,000 pays about $150 of Iowa tax in our example.
How much should I set aside for 1099 taxes in Iowa?
About $8.02 per $100 on $25,000 of gig earnings, $8.39 on $40,000 and $8.96 on $60,000, for a single driver who tracks mileage.
Does Iowa tax tips?
Our Iowa estimate taxes tips at the state level and doesn’t apply the federal tips deduction, so it may be slightly high if Iowa allows it.
Are there local income taxes in Iowa?
Some Iowa school districts add a small surtax. Enter it if it applies to you.