Idaho vs Tennessee Cost of Living
Purchasing power
Your $75,000 is worth different amounts in each state
$75,529
in Idaho
$83,241
in Tennessee
Each cell = 1% of purchasing power. Green = value, red = gap.
Spending breakdown
Estimated annual spending on a $75,000 salary
What things actually cost
Real dollar costs side by side
Category breakdown
| Category | Idaho | Tennessee | Difference |
|---|---|---|---|
| Housing | 100.3 | 82.4 | +22% |
| Groceries | 98.9 | 96.8 | +2% |
| Utilities | 73.0 | 88.1 | -17% |
| Transportation | 106.5 | 88.7 | +20% |
| Healthcare | 106.9 | 86.4 | +24% |
| Dining & Misc | 102.4 | 95.3 | +7% |
| Overall | 99.3 | 90.1 | +10% |
Index values relative to national average (100). Positive difference = more expensive in Idaho.
What things actually cost
| Item | Idaho | Tennessee | Difference |
|---|---|---|---|
| Median home price | $420,000 | $310,000 | +$110,000 |
| Average 2BR rent | $1,404/mo | $1,154/mo | +$250 |
| Gas price | $3.41/gal | $3.14/gal | +$0.27 |
| Electric bill | $84/mo | $97/mo | $12 |
| Infant childcare | $9,630/yr | $12,249/yr | $2,619 |
Salary equivalent: Idaho → Tennessee
What a Idaho salary buys you in Tennessee, adjusted for cost of living.
| Salary in Idaho | Equivalent in Tennessee | Difference |
|---|---|---|
| $50,000 | $45,368 | +$4,632 |
| $75,000 | $68,051 | +$6,949 |
| $100,000 | $90,735 | +$9,265 |
| $150,000 | $136,103 | +$13,897 |
| $200,000 | $181,470 | +$18,530 |
Positive = your money goes further in Tennessee. Based on overall COL index ratio.
Based on MERIC/C2ER 2025 composite indices. Dollar amounts from AAA, EIA, Zillow, and Child Care Aware.
Overview
Idaho is 10% more expensive than Tennessee overall. Idaho has an index of 99.3 vs 90.1 for Tennessee (national average = 100).
FAQ
Is it cheaper to live in Idaho or Tennessee?
Tennessee is cheaper to live in. Idaho is 10% more expensive overall. The biggest driver is housing — median home prices are $420,000 in Idaho vs $310,000 in Tennessee.
Is Tennessee cheaper than Idaho?
Yes, Tennessee is 10% cheaper than Idaho overall based on the MERIC/C2ER cost-of-living index. Housing, groceries, and utilities all factor into the difference.
Is Idaho more expensive than Tennessee?
Yes, Idaho is 10% more expensive than Tennessee based on the MERIC/C2ER composite index. Housing is typically the largest factor in the difference.
What salary in Tennessee equals $100,000 in Idaho?
To maintain the same purchasing power as a $100,000 salary in Idaho, you would need approximately $90,735 in Tennessee. This is based on the overall cost-of-living index (99.3 vs 90.1).
How do housing costs compare between Idaho and Tennessee?
Housing is significantly cheaper in Tennessee. Median home prices are $420,000 in Idaho vs $310,000 in Tennessee — a $110,000 difference. Average 2-bedroom rent is $1,404/mo vs $1,154/mo.
What costs more in Idaho vs Tennessee?
Healthcare is 24% higher in Idaho (index 106.9 vs 86.4). Housing is 22% higher in Idaho (index 100.3 vs 82.4). Transportation is 20% higher in Idaho (index 106.5 vs 88.7).
Is gas cheaper in Idaho or Tennessee?
Gas averages $3.41/gallon in Idaho and $3.14/gallon in Tennessee — a $0.27 difference per gallon.
Idaho vs Tennessee cost of living — how do they compare?
Idaho has an overall cost-of-living index of 99.3 and Tennessee has 90.1 (national average = 100). Idaho is 10% more expensive overall. Use the calculator above to see how this affects your specific salary.
How do taxes compare between Idaho and Tennessee?
Cost of living is only part of the picture — state income taxes also affect your take-home pay. Idaho has a flat income tax rate of 5.80%, simplified from a progressive system. Tennessee has no state income tax on wages. It fully repealed its tax on investment income in 2021. Use the Idaho vs Tennessee paycheck comparison to see how a specific salary compares after federal and state taxes, FICA, and deductions.
Do I need to file state tax returns in Idaho and Tennessee?
Idaho requires residents to file a state income tax return annually, typically due April 15. Tennessee has no state income tax, so residents do not file a state tax return. If you move between states mid-year, you typically file a part-year resident return in each state for the income earned while living there.
Where does this cost of living data come from?
Cost-of-living indices are from the MERIC/C2ER 2025 Annual Average. Dollar amounts use AAA gas prices (March 2025), EIA electricity rates (2024), Child Care Aware childcare costs (2024), Zillow home values (2024-2025), and BEA Regional Price Parities.
Related tools
- Idaho Cost of Living — Housing, groceries, gas, and more
- Tennessee Cost of Living — Housing, groceries, gas, and more
- Idaho vs Tennessee Paycheck Comparison — Compare take-home pay after taxes
- House Affordability in Idaho — How much house can you afford?
- House Affordability in Tennessee — How much house can you afford?
- Idaho Tax Brackets — See 2026 marginal rates
- Tennessee Tax Brackets — See 2026 marginal rates
- Idaho Mortgage Calculator — Estimate monthly payments with local rates
- Tennessee Mortgage Calculator — Estimate monthly payments with local rates
- Idaho Bonus Tax Calculator — See how bonuses are taxed differently
- Tennessee Bonus Tax Calculator — See how bonuses are taxed differently
- Gross-Up Calculator — Find the salary you need to hit a target take-home
- Salary to Hourly Converter — Convert annual salary to hourly rate
- Compare any two states
Based on MERIC/C2ER 2025 composite indices and publicly available price data. Cost of living varies significantly by metro area within a state. These are statewide averages.