Knoxville vs Boise
Side-by-side cost of living comparison for 2026
Knoxville
Boise
๐ก The Verdict
17% cheaper
Knoxville is 17% more affordable than Boise. A $75,000 salary in Boise is equivalent to $62,264 in Knoxville.
Category-by-Category Breakdown
Index values shown. National average = 100. Lower is cheaper.
๐ฐ Salary Equivalence
To maintain the same standard of living:
See exact take-home pay: Tennessee salaries ยท Idaho salaries
Living in Knoxville vs Boise
Housing is typically the biggest factor in any cost-of-living comparison. Knoxville has a housing index of 73 while Boise sits at 118 (national average = 100). The median home in Knoxville costs $240,000 compared to $420,000 in Boise, a difference of $180,000. Monthly rent follows a similar pattern: $1,100 in Knoxville versus $1,400 in Boise.
Groceries and everyday expenses show a notable difference: Knoxville scores 94 while Boise scores 99.
Healthcare costs in Knoxville (93) are lower than Boise (98). Both are close to the national average.
Median household income in Knoxville is $42,898 compared to $60,818 in Boise. When adjusted for cost of living, income goes further in Knoxville.
Relocating: Knoxville vs Boise
If you are considering a move between Knoxville (index: 88) and Boise (index: 106), the 17% cost difference has real implications for your budget. Knoxville is the more affordable option, but the right choice depends on your income, career opportunities, and lifestyle priorities.
Housing budget reality: Using the 28% rule (spending no more than 28% of gross income on housing), the median household in Knoxville can afford $1,001/month, while the median household in Boise can afford $1,419/month. With median homes at $240,000 in Knoxville versus $420,000 in Boise, homeownership requires above-median income in the pricier market.
Renting vs buying: At $1,100/month in Knoxville and $1,400/month in Boise, renters face similar costs in both cities. The rent-to-own ratio in each city determines whether renting or buying offers better value for your situation.
Income adjustment: A $75,000 salary goes further in Knoxville where costs are 12% below the national average. Before accepting a job in either city, use the salary equivalence data above to understand what you would need to earn to maintain your current standard of living.
Reading These Numbers: Knoxville (88) vs Boise (106)
The cost of living index uses 100 as the national average. Knoxville at 88 is 12% below the US average, while Boise at 106 is 6% above average. There is a meaningful cost gap between these two cities that affects day-to-day budgeting.
The overall index is a weighted average of housing (the largest component), groceries, utilities, transportation, and healthcare. Housing typically drives the biggest differences between cities. Even when two cities have similar overall indices, their category-level costs can vary significantly โ one city might have expensive housing but cheap groceries, while another is the reverse. Check the category breakdown above for the full picture.
For renters: With median rents of $1,100/month in Knoxville and $1,400/month in Boise, the annual rent difference is approximately $3,600. Over a 5-year period, that compounds to $18,000 in savings by choosing the more affordable city.
For homebuyers: The $180,000 difference in median home prices between Knoxville and Boise translates to roughly $10,800 per month in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.
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