Idaho Quarterly Tax Calculator for Gig Drivers

Idaho has its own state income tax on top of federal self-employment tax. Get your exact quarterly estimated tax payment, effective rate, and recommended set-aside — free, in seconds.

Idaho Estimated Tax Facts

State Income Tax

Yes

Estimated Tax Form

Form 51

File When You Owe

$500+ in state tax

Self-Employment Tax Rate

15.3% (federal)

Calculate Your Idaho Quarterly Payment

Annual Gig Income ($)

Miles Driven / Year

Quarterly Payment

Annual Tax

Effective Rate

Set Aside / Payout

Idaho Specific Tax Notes

Idaho has a flat 5.695% income tax rate (simplified from multi-bracket in 2023)
Estimated tax required if you expect to owe $500+ in state tax
Idaho conforms to the federal standard deduction
Idaho follows federal quarterly payment deadlines
Last reviewed: April 2026 — verify current rates at tax.idaho.gov

Idaho Estimated Tax Facts

Calculate Your Idaho Quarterly Payment

Idaho Specific Tax Notes

Get Your Idaho Tax Kit — $1