Overall
- Iowa City
- 91.5
- Fond du Lac
- 91.6
Diff +0.1 RPP
Iowa City vs Fond du Lac
Cost of living comparison based on BEA Regional Price Parities. Fond du Lac is 0.1% more expensive than Iowa City.
0.1% more expensive
Fond du Lac, WI is 0.1% more expensive than Iowa City, IA on BEA Regional Price Parities (overall RPP 91.6 vs 91.5). A $100,000 salary in Iowa City buys about the same as $100,146 in Fond du Lac; the largest component gap is rents.
- Overall RPP 91.5 (Iowa City) vs 91.6 (Fond du Lac)
- $100k in Iowa City ≈ $100,146 purchasing power in Fond du Lac
- Rents drives the gap (-16.7 RPP points)
RPP parity plate
Pair IA:WI 91.5→91.6
PHOTO-FINISH · CROSS-STATE · SPLIT-BUDGET · BOTH-BELOW · PP-PAR
- PHOTO-FINISH Photo finish
- CROSS-STATE IA × WI
- SPLIT-BUDGET Split budget
- BOTH-BELOW Both below 100
- PP-PAR PP near-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.
Iowa City
91.5
Cost Index
Fond du Lac
91.6
Cost Index
What This Comparison Actually Tells You
Iowa City, IA and Fond du Lac, 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 creates the largest separation: Fond du Lac is 16.7 points lower. But rents move against the overall direction, so this is a split budget rather than a clean across-the-board winner.
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 Iowa City corresponds to $100,146 in Fond du Lac.
Category Breakdown
Goods
- Iowa City
- 93.7
- Fond du Lac
- 93.8
Diff +0.1 RPP
Services
- Iowa City
- 83.7
- Fond du Lac
- 91.1
Diff +7.4 RPP
Rents
- Iowa City
- 84.0
- Fond du Lac
- 67.3
Diff -16.7 RPP
| Category | Iowa City | Fond du Lac | Difference |
|---|---|---|---|
| Overall | 91.5 | 91.6 | +0.1 |
| Goods | 93.7 | 93.8 | +0.1 |
| Services | 83.7 | 91.1 | +7.4 |
| Rents | 84.0 | 67.3 | -16.7 |
Visual Comparison
Overall
Iowa City 91.5
Fond du Lac 91.6
Goods
Iowa City 93.7
Fond du Lac 93.8
Services
Iowa City 83.7
Fond du Lac 91.1
Rents
Iowa City 84.0
Fond du Lac 67.3
Vertical line = national average (100)
Salary Equivalents
What a salary in Iowa City would need to be in Fond du Lac for the same purchasing power:
| In Iowa City | In Fond du Lac | Difference |
|---|---|---|
| $50,000 | $50,073 | +$73 |
| $75,000 | $75,110 | +$110 |
| $100,000 | $100,146 | +$146 |
| $150,000 | $150,220 | +$220 |
$ in Iowa City = in Fond du Lac
Same BEA Regional Price Parity ratio as the table above (91.5 → 91.6), computed live from your number, nothing is sent anywhere.
Frequently Asked Questions
Is Fond du Lac more expensive than Iowa City?
Fond du Lac is 0.1% more expensive than Iowa City. The overall cost index is 91.6 vs 91.5 (national average = 100).
What salary in Fond du Lac equals $100K in Iowa City?
A $100,000 salary in Iowa City has the same purchasing power as $100,146 in Fond du Lac. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Iowa City and Fond du Lac?
Rents in Iowa City are indexed at 84.0 while Fond du Lac is at 67.3 (national average = 100). Iowa City has higher rents.
Data sources
- BEA Regional Price Parities (RPP), the cost-of-living indices shown on this page
- U.S. Census Bureau, American Community Survey (ACS), gross-rent observations behind the rents component
- BLS Consumer Price Index (CPI), goods and services price relatives
- BLS Occupational Employment and Wage Statistics (OEWS), labor-driven services component
- HUD Fair Market Rents (FMR), 40th-percentile rent cross-reference
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.