$21 an Hour in Idaho — After-Tax Take-Home (2026)
At $21/hour (2,080 hours/year), your gross annual income is $43,680. After federal income tax, Social Security, Medicare, and Idaho state income tax, your take-home pay is $17.15/hr. In Idaho's medium cost-of-living environment, this is enough to get by in Idaho, though budget carefully.
Pay Period Breakdown
Full Tax Breakdown — Idaho, Single Filer
How Does Idaho Compare?
See how $21/hr take-home differs in other states at the same wage:
Equivalent Annual Salary Pages
$21/hr = $43,680/year gross. See the full state-by-state salary breakdown:
Adjacent Rates in Idaho
Same Rate, Other States
Cost of Living in Idaho
- Avg 1BR rent in Boise: $1,200/mo — over the 30% rule (33% of gross monthly)
- Minimum comfortable income in Idaho: $40,000/yr
- Your net annual: $35,677 ($4,323 below comfortable threshold)
- Purchasing power equivalent in Texas: ~$22.1/hr
Working at $21/hr in Idaho
This is a comfortable income in most of Idaho. Boise's tech economy creates upward mobility, and the flat 5.8% tax is predictable. The outdoor recreation amenities (skiing, hiking, rivers) add quality-of-life value that doesn't show up in salary comparisons.
At ${rate}/hr, you work roughly 70 hours each month to cover a typical 1BR in Boise (${rent.toLocaleString()}/mo) -- that's above the 30% gross income guideline. This wage is 2.9x Idaho's federal minimum wage of ${ctx.minWage}/hr. Your combined effective tax rate at ${rate}/hr in Idaho is 18.3% -- federal income tax accounts for 7.0%, FICA 7.6%, and Idaho state tax 3.7%.
Boise has emerged as a tech hub (Micron Technology is headquartered here) and has attracted significant in-migration from California. Agriculture, food processing, and manufacturing are the state's traditional economic base.
Idaho has a flat 5.8% income tax rate (2026). The state mirrors the federal standard deduction, keeping calculation simple.
Idaho follows the federal minimum wage of $7.25/hr.
Monthly Budget on $21/hr in Idaho
Based on $2,973/month take-home. Percentages follow common 50/30/20 guidelines adjusted for Idaho's cost of living.
Overtime Pay — $21/hr in Idaho
At time-and-a-half ($31.50/hr), here's what overtime adds to your annual net income in Idaho. Your marginal tax rate at this income level is ~19.3%.
Hours to Afford Common Purchases at $21/hr
How many hours of work (gross) to buy common items. Actual cost in after-tax hours is higher — divide by your $17.15 net hourly rate for the true cost in time.
Frequently Asked Questions
21 an hour -- is it a good wage in Idaho?
21/hr in Idaho gives you $35,677/year after taxes -- enough to get by in Idaho, though budget carefully. Avg 1BR rent in Boise: $1,200/month (exceeds the 30% rule).
What is 21 an hour after taxes in Idaho?
21/hr in Idaho = $35,677/year or $2,973/month net. Effective rate: 18.3%.
How does 21/hr go further -- Idaho or Texas?
21/hr in Idaho has similar purchasing power to ~22.1/hr in Texas.
What does 21/hr look like as a monthly budget in Idaho?
On $2,973/month in Idaho: rent $1,200, food $357, transport $297, savings $297, surplus ~$346.
How much does overtime add at 21/hr in Idaho?
At 1.5x (31.50/hr OT), 5 extra hrs/week adds ~$6,350/year net; 10 hrs/week adds ~$12,700/year.