Overall
- Chicago-Naperville-Elgin
- 103.6
- Santa Fe
- 98.8
Diff -4.8 RPP
Cost of living comparison based on BEA Regional Price Parities. Santa Fe is 4.7% less expensive than Chicago-Naperville-Elgin.
Santa Fe, NM is 4.7% less expensive than Chicago-Naperville-Elgin, IL-IN on BEA Regional Price Parities (overall RPP 98.8 vs 103.6). A $100,000 salary in Chicago-Naperville-Elgin buys about the same as $95,340 in Santa Fe; the largest component gap is goods.
RPP parity plate
Pair IL:NM 103.6→98.8
TIER-NEAR · CROSS-STATE · GOODS-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.
Santa Fe, NM is 4.7% less expensive than Chicago-Naperville-Elgin, IL-IN, a meaningful but not extreme shift. The move decision turns on which budget category creates the 4.8-point overall gap.
This route crosses the national benchmark: Chicago-Naperville-Elgin is above 100 while Santa Fe is below it. That makes the move a change of price regime, not merely a rank swap.
Goods leads the difference, with Santa Fe 11.1 points lower than Chicago-Naperville-Elgin. 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 goods-led difference, remember that many tradable prices vary less by address than housing or labor-priced services. Use $95,340 in Santa Fe 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 Santa Fe for the same purchasing power:
| In Chicago-Naperville-Elgin | In Santa Fe | Difference |
|---|---|---|
| $50,000 | $47,670 | $-2,330 |
| $75,000 | $71,505 | $-3,495 |
| $100,000 | $95,340 | $-4,660 |
| $150,000 | $143,009 | $-6,991 |
Same BEA Regional Price Parity ratio as the table above (103.6 → 98.8), computed live from your number, nothing is sent anywhere.
Diff -4.8 RPP
Diff -11.1 RPP
Diff -6.9 RPP
Diff -4.0 RPP
| Category | Chicago-Naperville-Elgin | Santa Fe | Difference |
|---|---|---|---|
| Overall | 103.6 | 98.8 | -4.8 |
| Goods | 107.3 | 96.1 | -11.1 |
| Services | 83.6 | 76.7 | -6.9 |
| Rents | 112.0 | 108.0 | -4.0 |
Vertical line = national average (100)
Santa Fe is 4.7% less expensive than Chicago-Naperville-Elgin. The overall cost index is 98.8 vs 103.6 (national average = 100).
A $100,000 salary in Chicago-Naperville-Elgin has the same purchasing power as $95,340 in Santa Fe. This is based on the BEA Regional Price Parity indexes.
Rents in Chicago-Naperville-Elgin are indexed at 112.0 while Santa Fe is at 108.0 (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.