How Amazon Flex Taxes Work in Missouri
Missouri has a 4.8% state income tax rate. Amazon Flex workers in Missouri must file both federal Form 1040-ES and Missouri Form MO-1040ES for quarterly estimated payments.
SE Tax
15.3%
Federal (all states)
Federal Tax
10–37%
Based on income
MO State Tax
4.8%
Missouri rate
2026 Quarterly Tax Deadlines for Missouri
| Quarter | Due Date | Federal (1040-ES) | MO State |
|---|
| NOWQ1 2026 | April 15, 2026 | ✓ Required | Required |
| Q2 2026 | June 16, 2026 | ✓ Required | Required |
| Q3 2026 | September 15, 2026 | ✓ Required | Required |
| Q4 2026 | January 15, 2027 | ✓ Required | Required |
Top Tax Deductions for Amazon Flex Workers in Missouri
FAQ — Amazon Flex Taxes in Missouri 2026
Q: How much is Amazon Flex tax in Missouri?
In Missouri, Amazon Flex workers pay 15.3% self-employment tax, federal income tax (10–37%), plus 4.8% Missouri state income tax. On $50,000 net income, expect to owe approximately $17,000–$22,000 total.
Q: Do I need to make quarterly payments in Missouri?
Yes. In Missouri, you must make both federal quarterly estimated payments (IRS Form 1040-ES) and Missouri state quarterly payments if you expect to owe $1,000 or more.
Q: What is the self-employment tax rate in Missouri for Amazon Flex workers?
The federal self-employment tax rate is 15.3% regardless of state. This covers Social Security (12.4%) and Medicare (2.9%). In Missouri, you additionally pay 4.8% state income tax.
Q: Does Amazon Flex take out taxes in Missouri?
No. Amazon Flex classifies workers as independent contractors, not employees. No taxes are withheld from your payments. You are responsible for paying all federal SE tax, federal income tax, and Missouri state income tax yourself, typically through quarterly estimated payments.
Disclaimer: State tax rates are for estimation purposes. Verify with your state's department of revenue or a licensed CPA. Not affiliated with the IRS, Amazon Flex, or any government agency.