Does Poshmark send a 1099-K?

Poshmark issues a 1099-K if gross sales exceed $20,000 and you have more than 200 transactions in a year, the federal threshold restored by the 2025 OBBBA law. Some states require it at much lower thresholds. Even without a 1099-K, all income is taxable.

What can Poshmark sellers deduct?

Poshmark sellers can deduct cost of goods sold (what they paid for inventory), Poshmark commission, shipping supplies, mileage to source inventory, a home office if used exclusively for the business, and photography equipment.

Poshmark Tax Calculator — Illinois 2026

Free Poshmark reseller tax calculator for Illinois (IL), including cost of goods sold. Includes the 4.95% Illinois state income tax plus federal SE tax (15.3%) and federal income tax. Quarterly payment schedule included. No signup required.

Last updated: July 2026·By the GigWiseTax Team·~5 min read · 1,200 words

Quick Answer — Poshmark Taxes Illinois 2026

Poshmark resellers in Illinois with $60,000 gross sales and $25,000 in cost of goods sold owe approximately $3,877 total — net profit of $23,000, after Poshmark's 20% commission and cost of goods, taxed at $3,250 self-employment tax (15.3%) + $638 federal income tax + 4.95% Illinois state income tax. Quarterly estimated payment: ~$969. The 1099-K reports gross sales, not this profit figure.

Key Takeaways

Poshmark resellers are independent contractors — Poshmark withholds zero taxes
On $60,000 gross sales with $25,000 COGS: net profit $23,000 → ~$3,250 SE tax + ~$638 federal = ~$3,888 total in Illinois
Quarterly payments due Apr 15, Jun 16, Sep 15, Jan 15 — ~$972 each
The 1099-K reports gross sales — Poshmark commission and cost of goods come off before you owe tax
Federal 1099-K threshold: $20,000 and 200+ transactions — some states set it far lower
File Schedule C — report all Poshmark income even without a 1099-K

Poshmark Tax Calculator 2026IRS Schedule SE

State of Residence

Filing Status

Annual Gross Poshmark Sales (USD)

The total buyers paid you — this matches the amount on your 1099-K, before Poshmark's commission.

Cost of Goods Sold (USD)

What you originally paid for the items you sold — thrift, wholesale, or clearance receipts. This is not on your 1099-K but it reduces your taxable profit.

Calculate Poshmark Tax Estimate

Ready to file your 1099 taxes?

Compare the best tax software for gig workers in 2026 and see which saves you the most.

See recommended tax software →

Poshmark Taxes in Illinois — 2026 Guide

How Poshmark Taxes Work in Illinois

Illinois has a 4.95% state income tax rate. Poshmark resellers in Illinois must make both federal and state quarterly estimated tax payments on net profit.

SE Tax

15.3%

On net profit, federal

Federal Tax

10-37%

Based on net profit

IL State Tax

4.95%

Illinois rate

Top Tax Deductions for Poshmark Sellers in Illinois

Cost of goods sold — what you originally paid for resold items

Poshmark selling fee (20% on sales $15+, $2.95 flat under $15)

Shipping supplies — boxes, mailers, tape, labels

Mileage sourcing inventory — thrift stores, estate sales, wholesale

Photography equipment & lighting for listings

Home office deduction (storage/staging space)

Self-employed health insurance premiums

Half of self-employment tax (SE tax deduction)

Accounting & tax software

Business bank account fees

The 1099-K reports gross sales before Poshmark's commission and before cost of goods sold — it is not your taxable profit. — IRS Self-Employed Tax Center

FAQ — Poshmark Taxes in Illinois 2026

Q: Do Poshmark sellers pay taxes in Illinois?

Yes, on net profit. In Illinois, Poshmark sellers pay 15.3% SE tax, federal income tax (10-37%), plus 4.95% Illinois state income tax.

Q: Do I need quarterly payments in Illinois?

Yes. In Illinois, you must make both federal (Form 1040-ES) and state quarterly estimated payments if you expect to owe $1,000 or more.

Q: Does the 1099-K show my Poshmark profit in Illinois?

No. The 1099-K reports gross sales — what buyers paid before Poshmark's 20% commission and before your cost of goods sold. Your actual taxable profit is smaller, and it is the same calculation plus Illinois state tax regardless of which state you live in.

Disclaimer: State tax rates are for estimation purposes only. Not affiliated with Poshmark or any government agency. Consult a licensed CPA for advice.

Poshmark Tax in Other States