Overall
- Knoxville
- 92.6
- Twin Falls
- 92.1
Diff -0.5 RPP
Knoxville vs Twin Falls
Cost of living comparison based on BEA Regional Price Parities. Twin Falls is 0.5% less expensive than Knoxville.
0.5% less expensive
Twin Falls, ID * is 0.5% less expensive than Knoxville, TN on BEA Regional Price Parities (overall RPP 92.1 vs 92.6). A $100,000 salary in Knoxville buys about the same as $99,502 in Twin Falls; the largest component gap is rents.
- Overall RPP 92.6 (Knoxville) vs 92.1 (Twin Falls)
- $100k in Knoxville ≈ $99,502 purchasing power in Twin Falls
- Rents drives the gap (-9.0 RPP points)
RPP parity plate
Pair TN:ID 92.6→92.1
PHOTO-FINISH · CROSS-STATE · RENT-LED · BOTH-BELOW · PP-PAR
- PHOTO-FINISH Photo finish
- CROSS-STATE TN × ID
- RENT-LED Rent-led gap
- BOTH-BELOW Both below 100
- PP-PAR PP near-par
Instrument codes from this pair's BEA Regional Price Parities (overall · goods · services · rents · national benchmark 100 · purchasing-power conversion), not a ranking or recommendation.
Knoxville
92.6
Cost Index
Twin Falls
92.1
Cost Index
What This Comparison Actually Tells You
Knoxville, TN and Twin Falls, ID * are a photo finish on overall price level, only 0.5 RPP points apart. A salary conversion is therefore a fine adjustment, not evidence of a fundamentally different cost regime.
Rents leads the difference, with Twin Falls 9.0 points lower than Knoxville. Goods, services, and rents all point in the same broad direction, making the headline comparison more transferable across household types.
Comparable population context is incomplete for this pair, so no market-scale explanation is inferred from the price indexes.
Both metros remain below the U.S. benchmark of 100. This comparison chooses between two below-average price levels; “more expensive” here does not mean nationally expensive.
For a housing-sensitive move, validate the rent gap first: HUD Fair Market Rent and the actual unit size can overturn what the blended index implies. On the BEA ratio alone, $100,000 in Knoxville corresponds to $99,502 in Twin Falls.
Category Breakdown
Goods
- Knoxville
- 96.2
- Twin Falls
- 96.2
Diff -0.1 RPP
Services
- Knoxville
- 71.9
- Twin Falls
- 70.0
Diff -1.8 RPP
Rents
- Knoxville
- 82.8
- Twin Falls
- 73.8
Diff -9.0 RPP
| Category | Knoxville | Twin Falls | Difference |
|---|---|---|---|
| Overall | 92.6 | 92.1 | -0.5 |
| Goods | 96.2 | 96.2 | -0.1 |
| Services | 71.9 | 70.0 | -1.8 |
| Rents | 82.8 | 73.8 | -9.0 |
Visual Comparison
Overall
Knoxville 92.6
Twin Falls 92.1
Goods
Knoxville 96.2
Twin Falls 96.2
Services
Knoxville 71.9
Twin Falls 70.0
Rents
Knoxville 82.8
Twin Falls 73.8
Vertical line = national average (100)
Salary Equivalents
What a salary in Knoxville would need to be in Twin Falls for the same purchasing power:
| In Knoxville | In Twin Falls | Difference |
|---|---|---|
| $50,000 | $49,751 | $-249 |
| $75,000 | $74,626 | $-374 |
| $100,000 | $99,502 | $-498 |
| $150,000 | $149,253 | $-747 |
$ in Knoxville = in Twin Falls
Same BEA Regional Price Parity ratio as the table above (92.6 → 92.1), computed live from your number, nothing is sent anywhere.
Frequently Asked Questions
Is Twin Falls more expensive than Knoxville?
Twin Falls is 0.5% less expensive than Knoxville. The overall cost index is 92.1 vs 92.6 (national average = 100).
What salary in Twin Falls equals $100K in Knoxville?
A $100,000 salary in Knoxville has the same purchasing power as $99,502 in Twin Falls. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Knoxville and Twin Falls?
Rents in Knoxville are indexed at 82.8 while Twin Falls is at 73.8 (national average = 100). Knoxville has higher rents.
Data sources
- BEA Regional Price Parities (RPP), the cost-of-living indices shown on this page
- U.S. Census Bureau, American Community Survey (ACS), gross-rent observations behind the rents component
- BLS Consumer Price Index (CPI), goods and services price relatives
- BLS Occupational Employment and Wage Statistics (OEWS), labor-driven services component
- HUD Fair Market Rents (FMR), 40th-percentile rent cross-reference
Every figure on PlainCost is rendered directly from BEA Regional Price Parity source data, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, our changelog, or report a data error. Data current as of 2026-08-11. Rankings measure the published cost-of-living index only; we don't recommend where to live or rate any metro's quality of life.