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US Tax 2021

Idaho Tax Tables 2021 - Tax Rates and Thresholds in Idaho

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This page contains the tax table information used for the calculation of tax and payroll deductions in Idaho in 2021. These tax tables are used for the tax and payroll calculators published on iCalculator™ US, these tools are provided for your free use on our website. If you would like additional tax table information added to the tax calculators for Idaho or would like to add to or suggest amendments to the information herein then please contact us.

Idaho State Income Tax Tables in 2021

The Income tax rates and personal allowances in Idaho are updated annually with new tax tables published for Resident and Non-resident taxpayers. The Tax tables below include the tax rates, thresholds and allowances included in the Idaho Tax Calculator 2021.

Idaho Single Filer Standard Deduction

The standard deduction for a Single Filer in Idaho for 2021 is $ 12,550.00.

Idaho Single Filer Tax Tables

Idaho Residents State Income Tax Tables for Single Filers in 2021
Personal Income Tax Rates and Thresholds
Tax RateTaxable Income Threshold
1%Income from $ 0.000.00to $ 1,588.00
3.1%Income from $ 1,588.01 to $ 4,763.00
4.5%Income from $ 4,763.01 to $ 6,351.00
5.5%Income from $ 6,351.01 to $ 7,939.00
6.5%Income from $ 7,939.01 and above

Idaho Married (Joint) Filer Standard Deduction

The standard deduction for a Married (Joint) Filer in Idaho for 2021 is $ 25,100.00.

Idaho Married (Joint) Filer Tax Tables

Idaho Residents State Income Tax Tables for Married (Joint) Filers in 2021
Personal Income Tax Rates and Thresholds
Tax RateTaxable Income Threshold
1%Income from $ 0.000.00to $ 1,588.00
3.1%Income from $ 1,588.01 to $ 4,763.00
4.5%Income from $ 4,763.01 to $ 6,351.00
5.5%Income from $ 6,351.01 to $ 7,939.00
6.5%Income from $ 7,939.01 and above

Idaho Married (separate) Filer Standard Deduction

The standard deduction for a Married (separate) Filer in Idaho for 2021 is $ 12,550.00.

Idaho Married (separate) Filer Tax Tables

Idaho Residents State Income Tax Tables for Married (separate) Filers in 2021
Personal Income Tax Rates and Thresholds
Tax RateTaxable Income Threshold
1%Income from $ 0.000.00to $ 1,588.00
3.1%Income from $ 1,588.01 to $ 4,763.00
4.5%Income from $ 4,763.01 to $ 6,351.00
5.5%Income from $ 6,351.01 to $ 7,939.00
6.5%Income from $ 7,939.01 and above

Idaho Head of Household Filer Standard Deduction

The standard deduction for a Head of Household Filer in Idaho for 2021 is $ 18,800.00.

Idaho Head of Household Filer Tax Tables

Idaho Residents State Income Tax Tables for Head of Household Filers in 2021
Personal Income Tax Rates and Thresholds
Tax RateTaxable Income Threshold
1%Income from $ 0.000.00to $ 1,588.00
3.1%Income from $ 1,588.01 to $ 4,763.00
4.5%Income from $ 4,763.01 to $ 6,351.00
5.5%Income from $ 6,351.01 to $ 7,939.00
6.5%Income from $ 7,939.01 and above

Idaho Widower Filer Standard Deduction

The standard deduction for a Widower Filer in Idaho for 2021 is $ 25,100.00.

Idaho Widower Filer Tax Tables

Idaho Residents State Income Tax Tables for Widower Filers in 2021
Personal Income Tax Rates and Thresholds
Tax RateTaxable Income Threshold
1%Income from $ 0.000.00to $ 1,588.00
3.1%Income from $ 1,588.01 to $ 4,763.00
4.5%Income from $ 4,763.01 to $ 6,351.00
5.5%Income from $ 6,351.01 to $ 7,939.00
6.5%Income from $ 7,939.01 and above

Idaho State Payroll Deductions in 2021

In compliance with the regulations set forth by Idaho, employers are mandated to adhere to specific payroll deduction requirements. These deductions, essential for ensuring conformity with legal standards, are routinely withheld by employers. It's important to note that these deductions are subject to annual revisions. For the year 2021, the detailed breakdown of Idaho payroll deductions can be found below, reflecting our commitment to both regulatory adherence and transparency.

Idaho State Payroll Deductions in 2021: Rates for Employers and Employees
Social security categoryEmployeeEmployerTotal
Unemployment Insurance Tax0%1.231%1.231%
Idaho State Payroll Deductions in 2021: Thresholds for Employers and Employees
Social security categoryEmployeeEmployer
Min. EarningsMax. ContributionMin. EarningsMax. Contribution
Unemployment Insurance Taxn/an/an/a$ 53,500.00

Federal Income Tax Tables in 2021

Federal Single Filer Tax Tables

The federal standard deduction for a Single Filer in 2021 is $ 12,550.00.

The federal federal allowance for Over 65 years of age Single Filer in 2021 is $ 1,700.00

Idaho Residents State Income Tax Tables for Single Filers in 2021
Personal Income Tax Rates and Thresholds (Annual)
Tax RateTaxable Income Threshold
10%Income from $ 0.000.00to $ 9,950.00
12%Income from $ 9,950.01 to $ 40,525.00
22%Income from $ 40,525.01 to $ 86,375.00
24%Income from $ 86,375.01 to $ 164,925.00
32%Income from $ 164,925.01 to $ 209,425.00
35%Income from $ 209,425.01 to $ 523,600.00
37%Income from $ 523,600.01 and above

Federal Married (Joint) Filer Tax Tables

The federal standard deduction for a Married (Joint) Filer in 2021 is $ 25,100.00.

The federal federal allowance for Over 65 years of age Married (Joint) Filer in 2021 is $ 1,350.00

Idaho Residents State Income Tax Tables for Married (Joint) Filers in 2021
Personal Income Tax Rates and Thresholds (Annual)
Tax RateTaxable Income Threshold
10%Income from $ 0.000.00to $ 19,900.00
12%Income from $ 19,900.01 to $ 81,050.00
22%Income from $ 81,050.01 to $ 172,750.00
24%Income from $ 172,750.01 to $ 329,850.00
32%Income from $ 329,850.01 to $ 418,850.00
35%Income from $ 418,850.01 to $ 628,300.00
37%Income from $ 628,300.01 and above

Federal Married (separate) Filer Tax Tables

The federal standard deduction for a Married (separate) Filer in 2021 is $ 12,550.00.

The federal federal allowance for Over 65 years of age Married (separate) Filer in 2021 is $ 1,350.00

Idaho Residents State Income Tax Tables for Married (separate) Filers in 2021
Personal Income Tax Rates and Thresholds (Annual)
Tax RateTaxable Income Threshold
10%Income from $ 0.000.00to $ 9,950.00
12%Income from $ 9,950.01 to $ 40,525.00
22%Income from $ 40,525.01 to $ 86,375.00
24%Income from $ 86,375.01 to $ 164,925.00
32%Income from $ 164,925.01 to $ 209,425.00
35%Income from $ 209,425.01 to $ 314,150.00
37%Income from $ 314,150.01 and above

Federal Head of Household Filer Tax Tables

The federal standard deduction for a Head of Household Filer in 2021 is $ 18,800.00.

The federal federal allowance for Over 65 years of age Head of Household Filer in 2021 is $ 1,700.00

Idaho Residents State Income Tax Tables for Head of Household Filers in 2021
Personal Income Tax Rates and Thresholds (Annual)
Tax RateTaxable Income Threshold
10%Income from $ 0.000.00to $ 14,200.00
12%Income from $ 14,200.01 to $ 54,200.00
22%Income from $ 54,200.01 to $ 86,350.00
24%Income from $ 86,350.01 to $ 164,900.00
32%Income from $ 164,900.01 to $ 209,400.00
35%Income from $ 209,400.01 to $ 523,600.00
37%Income from $ 523,600.01 and above

Federal Widower Filer Tax Tables

The federal standard deduction for a Widower Filer in 2021 is $ 25,100.00.

The federal federal allowance for Over 65 years of age Widower Filer in 2021 is $ 1,350.00

Idaho Residents State Income Tax Tables for Widower Filers in 2021
Personal Income Tax Rates and Thresholds (Annual)
Tax RateTaxable Income Threshold
10%Income from $ 0.000.00to $ 1,588.00
12%Income from $ 1,588.01 to $ 4,763.00
22%Income from $ 4,763.01 to $ 6,351.00
24%Income from $ 6,351.01 to $ 7,939.00
32%Income from $ 7,939.01 and above

Idaho: Federal EITC(Earned Income Tax Credits) Rates and Thresholds in 2021

Note: you must be between the ages of 25 and 65 to claim EITC in 2021 unless you have 1 or more children.

EITC Tables for Unmarried Taxpayers (single and head of household filers) in 2021
ElementNumber of Children
0123
Credit rate15.3%34%40%45%
Earned income amount$ 9,820.00$ 10,640.00$ 14,950.00$ 14,950.00
Maximum credit amount$ 1,502.00$ 3,618.00$ 5,980.00$ 6,728.00
Phaseout amount threshold$ 11,610.00$ 19,520.00$ 19,520.00$ 19,520.00
15.3%15.98%21.06%21.06%
EITC Tables for Married taxpayers (married filing jointly, Qualifying Widow(er)) in 2021
ElementNumber of Children
0123
Credit rate7.65%34%40%45%
Earned income amount$ 7,840.00$ 11,750.00$ 16,510.00$ 16,510.00
Maximum credit amount$ 1,502.00$ 3,618.00$ 5,980.00$ 6,728.00
Phaseout amount threshold$ 14,950.00$ 19,520.00$ 19,520.00$ 19,520.00
Phaseout rate7.65%15.98%21.06%21.06%

Idaho: Federal FICA Rates in 2021

Idaho FICA in 2021: Rates for Employers and Employees
FICA categoryEmployeeEmployerTotal
Social Security6.2%6.2%12.4%
Medicare1.45%1.45%2.9%
Additional Medicare0.9%0%0.9%
Federal Unemployment Taxes (FUTA)0%6%6%
Idaho FICA in 2021: Thresholds for Employers and Employees
FICA categoryEmployeeEmployer
Min. EarningsMax. ContributionMin. EarningsMax. Contribution
Social Securityn/a$ 142,800.00n/a$ 142,800.00
Medicaren/an/an/an/a
Additional Medicare$ 200,000.00n/an/an/a
Federal Unemployment Taxes (FUTA)n/an/an/a$ 7,000.00

Idaho: Federal Retirement Plan Thresholds in 2021

Federal Retirement Plan Types and Thresholds in 2021
Retirment Plan typeStandardOver 50 Catch Up
$ 19,500.00$ 6,500.00
$ 13,500.00$ 3,000.00

2021 Tax Calculator for Idaho

The 2021 tax rates and thresholds for both the Idaho State Tax Tables and Federal Tax Tables are comprehensively integrated into the Idaho Tax Calculator for 2021. This tool is freely available and is designed to help you accurately estimate your 2022 tax return.

Historic Tax Tables supported for Idaho

The following tax tables are supported by iCalculator™ US as part of the suite of free tax tools available in the US Tax HUB we provide for Idaho.