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Official figures for Idaho: state income tax, capital gains, estate and inheritance tax, sales tax and the residency test, with rents, home values, price levels and safety from federal statistics.
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The short answer
Idaho state income tax: Flat rate of 5.3%. Median gross rent is $1,462 per month and the price level is 95.5 against a US average of 100. Sales, estate and inheritance taxes and the residency rule are set out below with their sources.
Evidence: Official source · Machine-readable data · As of 30 October 2026
State tax rules
Each rule below is read from the Idaho revenue department or statute and checked against an independent table. Local taxes are not included.
State level only. Local income taxes (for example city or county taxes) and local sales taxes are added on top where they exist.
Cost of living
| Metric | Value |
|---|---|
| Median gross rent per month | $1,462 |
| Median home value | $457,800 |
| Property tax as a share of home value | 0.42% |
| Median real estate taxes paid per year | $1,924 |
| Median household income | $84,234 |
| Price level (US = 100) | 95.5 |
| Housing price level (US = 100) | 90.0 |
| Residential electricity price | 13.02 cents per kWh |
Rent, home value, property tax and income: Census Bureau, American Community Survey 2025. Price levels: BEA Regional Price Parities 2024. Electricity: EIA, year to date through August 2026.
Questions
Idaho state income tax: Flat rate of 5.3%. Federal income tax applies in addition, as in every state.
In Idaho the median gross rent is $1,462 per month and the median value of an owner-occupied home is $457,800, according to the Census Bureau American Community Survey 2025.
Information, not tax or legal advice. Rates are statutory state rates for the stated year; local income, sales and property taxes, deductions and federal tax are not included. Statistics are the latest official releases for the year shown. Confirm your own position with the state revenue department or a tax adviser.
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