Overall
- Champaign-Urbana
- 92.7
- Eau Claire
- 92.8
Diff +0.1 RPP
Cost of living comparison based on BEA Regional Price Parities. Eau Claire is 0.1% more expensive than Champaign-Urbana.
Eau Claire, WI is 0.1% more expensive than Champaign-Urbana, IL on BEA Regional Price Parities (overall RPP 92.8 vs 92.7). A $100,000 salary in Champaign-Urbana buys about the same as $100,099 in Eau Claire; the largest component gap is rents.
RPP parity plate
Pair IL:WI 92.7→92.8
PHOTO-FINISH · CROSS-STATE · RENT-LED · BOTH-BELOW · PP-PAR
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.
Champaign-Urbana, IL and Eau Claire, WI are a photo finish on overall price level, only 0.1 RPP points apart. A salary conversion is therefore a fine adjustment, not evidence of a fundamentally different cost regime.
Rents leads the difference, with Eau Claire 1.2 points higher than Champaign-Urbana. 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.
Both metros remain below the U.S. benchmark of 100. This comparison chooses between two below-average price levels; “more expensive” here does not mean nationally expensive.
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 Champaign-Urbana corresponds to $100,099 in Eau Claire.
Diff +0.1 RPP
Diff +0.1 RPP
Diff +0.5 RPP
Diff +1.2 RPP
| Category | Champaign-Urbana | Eau Claire | Difference |
|---|---|---|---|
| Overall | 92.7 | 92.8 | +0.1 |
| Goods | 93.6 | 93.8 | +0.1 |
| Services | 90.5 | 90.9 | +0.5 |
| Rents | 71.6 | 72.8 | +1.2 |
Vertical line = national average (100)
What a salary in Champaign-Urbana would need to be in Eau Claire for the same purchasing power:
| In Champaign-Urbana | In Eau Claire | Difference |
|---|---|---|
| $50,000 | $50,050 | +$50 |
| $75,000 | $75,074 | +$74 |
| $100,000 | $100,099 | +$99 |
| $150,000 | $150,149 | +$149 |
Same BEA Regional Price Parity ratio as the table above (92.7 → 92.8), computed live from your number, nothing is sent anywhere.
Eau Claire is 0.1% more expensive than Champaign-Urbana. The overall cost index is 92.8 vs 92.7 (national average = 100).
A $100,000 salary in Champaign-Urbana has the same purchasing power as $100,099 in Eau Claire. This is based on the BEA Regional Price Parity indexes.
Rents in Champaign-Urbana are indexed at 71.6 while Eau Claire is at 72.8 (national average = 100). Eau Claire 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.