Overall
- Salisbury
- 95.6
- Chicago-Naperville-Elgin
- 103.6
Diff +8.0 RPP
Cost of living comparison based on BEA Regional Price Parities. Chicago-Naperville-Elgin is 8.3% more expensive than Salisbury.
Chicago-Naperville-Elgin, IL-IN is 8.3% more expensive than Salisbury, MD on BEA Regional Price Parities (overall RPP 103.6 vs 95.6). A $100,000 salary in Salisbury buys about the same as $108,344 in Chicago-Naperville-Elgin; the largest component gap is rents.
RPP parity plate
Pair MD:IL 95.6→103.6
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 +8.0 RPP
Diff +10.7 RPP
Diff -19.2 RPP
Diff +24.8 RPP
| Category | Salisbury | Chicago-Naperville-Elgin | Difference |
|---|---|---|---|
| Overall | 95.6 | 103.6 | +8.0 |
| Goods | 96.6 | 107.3 | +10.7 |
| Services | 102.8 | 83.6 | -19.2 |
| Rents | 87.2 | 112.0 | +24.8 |
Vertical line = national average (100)
Rents creates the largest separation: Chicago-Naperville-Elgin is 24.8 points higher. But services move against the overall direction, so this is a split budget rather than a clean across-the-board winner.
Chicago-Naperville-Elgin, IL-IN is 8.3% more expensive than Salisbury, MD, a meaningful but not extreme shift. The move decision turns on which budget category creates the 8.0-point overall gap.
This route crosses the national benchmark: Chicago-Naperville-Elgin is above 100 while Salisbury 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 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 Salisbury corresponds to $108,344 in Chicago-Naperville-Elgin.
What a salary in Salisbury would need to be in Chicago-Naperville-Elgin for the same purchasing power:
| In Salisbury | In Chicago-Naperville-Elgin | Difference |
|---|---|---|
| $50,000 | $54,172 | +$4,172 |
| $75,000 | $81,258 | +$6,258 |
| $100,000 | $108,344 | +$8,344 |
| $150,000 | $162,516 | +$12,516 |
Same BEA Regional Price Parity ratio as the table above (95.6 → 103.6), computed live from your number, nothing is sent anywhere.
Salisbury and Chicago-Naperville-Elgin share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 11.6 to 8.0 RPP points. Chicago-Naperville-Elgin remained the higher-index metro in the latest release.
Services changed the most within this pair: its gap moved 12.7 points between the first and latest shared releases (6.5 to 19.2 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Salisbury RPP | Chicago-Naperville-Elgin RPP | Relative Gap |
|---|---|---|---|
| 2008 | 93.8 | 105.4 | 11.6 points Chicago-Naperville-Elgin higher |
| 2012 | 92.8 | 105.1 | 12.3 points Chicago-Naperville-Elgin higher |
| 2016 | 91.4 | 103.8 | 12.4 points Chicago-Naperville-Elgin higher |
| 2020 | 91.0 | 104.5 | 13.5 points Chicago-Naperville-Elgin higher |
| 2024 | 95.6 | 103.6 | 8.0 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 8.3% more expensive than Salisbury. The overall cost index is 103.6 vs 95.6 (national average = 100).
A $100,000 salary in Salisbury has the same purchasing power as $108,344 in Chicago-Naperville-Elgin. This is based on the BEA Regional Price Parity indexes.
Rents in Salisbury are indexed at 87.2 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.