Overall
- Chicago-Naperville-Elgin
- 103.6
- Raleigh-Cary
- 98.2
Diff -5.4 RPP
Cost of living comparison based on BEA Regional Price Parities. Raleigh-Cary is 5.2% less expensive than Chicago-Naperville-Elgin.
Raleigh-Cary, NC is 5.2% less expensive than Chicago-Naperville-Elgin, IL-IN on BEA Regional Price Parities (overall RPP 98.2 vs 103.6). A $100,000 salary in Chicago-Naperville-Elgin buys about the same as $94,751 in Raleigh-Cary; the largest component gap is goods.
RPP parity plate
Pair IL:NC 103.6→98.2
TIER-NEAR · CROSS-STATE · SPLIT-BUDGET · 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.
Diff -5.4 RPP
Diff -10.6 RPP
Diff +5.4 RPP
Diff -8.5 RPP
| Category | Chicago-Naperville-Elgin | Raleigh-Cary | Difference |
|---|---|---|---|
| Overall | 103.6 | 98.2 | -5.4 |
| Goods | 107.3 | 96.6 | -10.6 |
| Services | 83.6 | 89.0 | +5.4 |
| Rents | 112.0 | 103.5 | -8.5 |
Vertical line = national average (100)
Goods creates the largest separation: Raleigh-Cary is 10.6 points lower. But services move against the overall direction, so this is a split budget rather than a clean across-the-board winner.
Raleigh-Cary, NC is 5.2% less expensive than Chicago-Naperville-Elgin, IL-IN, a meaningful but not extreme shift. The move decision turns on which budget category creates the 5.4-point overall gap.
This route crosses the national benchmark: Chicago-Naperville-Elgin is above 100 while Raleigh-Cary is below it. That makes the move a change of price regime, not merely a rank swap.
Comparable population context is incomplete for this pair, so no market-scale explanation is inferred from the price indexes.
For a goods-led difference, remember that many tradable prices vary less by address than housing or labor-priced services. Use $94,751 in Raleigh-Cary as the BEA equivalent of $100,000 in Chicago-Naperville-Elgin, then replace the national basket with your own.
What a salary in Chicago-Naperville-Elgin would need to be in Raleigh-Cary for the same purchasing power:
| In Chicago-Naperville-Elgin | In Raleigh-Cary | Difference |
|---|---|---|
| $50,000 | $47,375 | $-2,625 |
| $75,000 | $71,063 | $-3,937 |
| $100,000 | $94,751 | $-5,249 |
| $150,000 | $142,126 | $-7,874 |
Same BEA Regional Price Parity ratio as the table above (103.6 → 98.2), computed live from your number, nothing is sent anywhere.
Chicago-Naperville-Elgin and Raleigh-Cary share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 8.4 to 5.4 RPP points. Chicago-Naperville-Elgin remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 22.7 points between the first and latest shared releases (31.3 to 8.5 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Chicago-Naperville-Elgin RPP | Raleigh-Cary RPP | Relative Gap |
|---|---|---|---|
| 2008 | 105.4 | 97.0 | 8.4 points Chicago-Naperville-Elgin higher |
| 2012 | 105.1 | 98.0 | 7.1 points Chicago-Naperville-Elgin higher |
| 2016 | 103.8 | 99.3 | 4.5 points Chicago-Naperville-Elgin higher |
| 2020 | 104.5 | 95.4 | 9.1 points Chicago-Naperville-Elgin higher |
| 2024 | 103.6 | 98.2 | 5.4 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.
Raleigh-Cary is 5.2% less expensive than Chicago-Naperville-Elgin. The overall cost index is 98.2 vs 103.6 (national average = 100).
A $100,000 salary in Chicago-Naperville-Elgin has the same purchasing power as $94,751 in Raleigh-Cary. This is based on the BEA Regional Price Parity indexes.
Rents in Chicago-Naperville-Elgin are indexed at 112.0 while Raleigh-Cary is at 103.5 (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.