Overall
- Clarksville
- 90.9
- Chicago-Naperville-Elgin
- 103.6
Diff +12.6 RPP
Cost of living comparison based on BEA Regional Price Parities. Chicago-Naperville-Elgin is 13.9% more expensive than Clarksville.
Chicago-Naperville-Elgin, IL-IN is 13.9% more expensive than Clarksville, TN-KY on BEA Regional Price Parities (overall RPP 103.6 vs 90.9). A $100,000 salary in Clarksville buys about the same as $113,907 in Chicago-Naperville-Elgin; the largest component gap is rents.
RPP parity plate
Pair TN:IL 90.9→103.6
TIER-GAP · CROSS-STATE · RENT-LED · BENCH-CROSS · PP-SHIFT
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.
What a salary in Clarksville would need to be in Chicago-Naperville-Elgin for the same purchasing power:
| In Clarksville | In Chicago-Naperville-Elgin | Difference |
|---|---|---|
| $50,000 | $56,954 | +$6,954 |
| $75,000 | $85,430 | +$10,430 |
| $100,000 | $113,907 | +$13,907 |
| $150,000 | $170,861 | +$20,861 |
Same BEA Regional Price Parity ratio as the table above (90.9 → 103.6), computed live from your number, nothing is sent anywhere.
Clarksville, TN-KY and Chicago-Naperville-Elgin, IL-IN sit in clearly different price tiers, separated by 12.6 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
This route crosses the national benchmark: Chicago-Naperville-Elgin is above 100 while Clarksville is below it. That makes the move a change of price regime, not merely a rank swap.
Rents leads the difference, with Chicago-Naperville-Elgin 38.2 points higher than Clarksville. 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.
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 Clarksville corresponds to $113,907 in Chicago-Naperville-Elgin.
Diff +12.6 RPP
Diff +11.0 RPP
Diff +11.0 RPP
Diff +38.2 RPP
| Category | Clarksville | Chicago-Naperville-Elgin | Difference |
|---|---|---|---|
| Overall | 90.9 | 103.6 | +12.6 |
| Goods | 96.2 | 107.3 | +11.0 |
| Services | 72.5 | 83.6 | +11.0 |
| Rents | 73.8 | 112.0 | +38.2 |
Vertical line = national average (100)
Clarksville and Chicago-Naperville-Elgin share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 14.9 to 12.6 RPP points. Chicago-Naperville-Elgin remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 19.9 points between the first and latest shared releases (58.1 to 38.2 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Clarksville RPP | Chicago-Naperville-Elgin RPP | Relative Gap |
|---|---|---|---|
| 2008 | 90.5 | 105.4 | 14.9 points Chicago-Naperville-Elgin higher |
| 2012 | 93.0 | 105.1 | 12.1 points Chicago-Naperville-Elgin higher |
| 2016 | 93.6 | 103.8 | 10.2 points Chicago-Naperville-Elgin higher |
| 2020 | 88.8 | 104.5 | 15.7 points Chicago-Naperville-Elgin higher |
| 2024 | 90.9 | 103.6 | 12.6 points Chicago-Naperville-Elgin higher |
Annual BEA Regional Price Parity releases; a higher index means a higher price level relative to the national average of 100. Selected years shown from the full shared series.
Chicago-Naperville-Elgin is 13.9% more expensive than Clarksville. The overall cost index is 103.6 vs 90.9 (national average = 100).
A $100,000 salary in Clarksville has the same purchasing power as $113,907 in Chicago-Naperville-Elgin. This is based on the BEA Regional Price Parity indexes.
Rents in Clarksville are indexed at 73.8 while Chicago-Naperville-Elgin is at 112.0 (national average = 100). Chicago-Naperville-Elgin has higher rents.
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.