Overall
- Chicago-Naperville-Elgin
- 103.6
Diff +7.3 RPP
Cost of living comparison based on BEA Regional Price Parities. Chicago-Naperville-Elgin is 7.5% more expensive than Nashville-Davidson--Murfreesboro--Franklin.
Chicago-Naperville-Elgin, IL-IN is 7.5% more expensive than Nashville-Davidson--Murfreesboro--Franklin, TN on BEA Regional Price Parities (overall RPP 103.6 vs 96.3). A $100,000 salary in Nashville-Davidson--Murfreesboro--Franklin buys about the same as $107,533 in Chicago-Naperville-Elgin; the largest component gap is services.
RPP parity plate
Pair TN:IL 96.3→103.6
TIER-NEAR · CROSS-STATE · SERVICES-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.
Chicago-Naperville-Elgin, IL-IN is 7.5% more expensive than Nashville-Davidson--Murfreesboro--Franklin, TN, a meaningful but not extreme shift. The move decision turns on which budget category creates the 7.3-point overall gap.
This route crosses the national benchmark: Chicago-Naperville-Elgin is above 100 while Nashville-Davidson--Murfreesboro--Franklin is below it. That makes the move a change of price regime, not merely a rank swap.
Services leads the difference, with Chicago-Naperville-Elgin 11.6 points higher than Nashville-Davidson--Murfreesboro--Franklin. 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 service-heavy household, test childcare, health, and other locally supplied costs before relying on rent alone. The BEA ratio converts $100,000 in Nashville-Davidson--Murfreesboro--Franklin to $107,533 in Chicago-Naperville-Elgin, but it is not a personal spending weight.
Nashville-Davidson--Murfreesboro--Franklin and Chicago-Naperville-Elgin share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 9.7 to 7.3 RPP points. Chicago-Naperville-Elgin remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 27.1 points between the first and latest shared releases (34.5 to 7.4 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Nashville-Davidson--Murfreesboro--Franklin RPP | Chicago-Naperville-Elgin RPP | Relative Gap |
|---|---|---|---|
| 2008 | 95.7 | 105.4 | 9.7 points Chicago-Naperville-Elgin higher |
| 2012 | 97.4 | 105.1 | 7.8 points Chicago-Naperville-Elgin higher |
| 2016 | 99.3 | 103.8 | 4.5 points Chicago-Naperville-Elgin higher |
| 2020 | 95.9 | 104.5 | 8.5 points Chicago-Naperville-Elgin higher |
| 2024 | 96.3 | 103.6 | 7.3 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.
Diff +7.3 RPP
Diff +11.0 RPP
Diff +11.6 RPP
Diff +7.4 RPP
| Category | Nashville-Davidson--Murfreesboro--Franklin | Chicago-Naperville-Elgin | Difference |
|---|---|---|---|
| Overall | 96.3 | 103.6 | +7.3 |
| Goods | 96.2 | 107.3 | +11.0 |
| Services | 72.0 | 83.6 | +11.6 |
| Rents | 104.6 | 112.0 | +7.4 |
Vertical line = national average (100)
What a salary in Nashville-Davidson--Murfreesboro--Franklin would need to be in Chicago-Naperville-Elgin for the same purchasing power:
| In Nashville-Davidson--Murfreesboro--Franklin | In Chicago-Naperville-Elgin | Difference |
|---|---|---|
| $50,000 | $53,766 | +$3,766 |
| $75,000 | $80,650 | +$5,650 |
| $100,000 | $107,533 | +$7,533 |
| $150,000 | $161,299 | +$11,299 |
Same BEA Regional Price Parity ratio as the table above (96.3 → 103.6), computed live from your number, nothing is sent anywhere.
Chicago-Naperville-Elgin is 7.5% more expensive than Nashville-Davidson--Murfreesboro--Franklin. The overall cost index is 103.6 vs 96.3 (national average = 100).
A $100,000 salary in Nashville-Davidson--Murfreesboro--Franklin has the same purchasing power as $107,533 in Chicago-Naperville-Elgin. This is based on the BEA Regional Price Parity indexes.
Rents in Nashville-Davidson--Murfreesboro--Franklin are indexed at 104.6 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.