Overall
Diff -25.2 RPP
Cost of living comparison based on BEA Regional Price Parities. Dubuque is 22.4% less expensive than Napa.
Dubuque, IA is 22.4% less expensive than Napa, CA on BEA Regional Price Parities (overall RPP 87.3 vs 112.6). A $100,000 salary in Napa buys about the same as $77,588 in Dubuque; the largest component gap is rents.
RPP parity plate
Pair CA:IA 112.6→87.3
TIER-GAP · CROSS-STATE · RENT-LED · BENCH-CROSS · PP-STEEP
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.
What a salary in Napa would need to be in Dubuque for the same purchasing power:
| In Napa | In Dubuque | Difference |
|---|---|---|
| $50,000 | $38,794 | $-11,206 |
| $75,000 | $58,191 | $-16,809 |
| $100,000 | $77,588 | $-22,412 |
| $150,000 | $116,381 | $-33,619 |
Same BEA Regional Price Parity ratio as the table above (112.6 → 87.3), computed live from your number, nothing is sent anywhere.
Napa, CA and Dubuque, IA sit in clearly different price tiers, separated by 25.2 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
This route crosses the national benchmark: Napa is above 100 while Dubuque is below it. That makes the move a change of price regime, not merely a rank swap.
Rents leads the difference, with Dubuque 133.4 points lower than Napa. 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 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 Napa corresponds to $77,588 in Dubuque.
Diff -25.2 RPP
Diff -11.4 RPP
Diff -75.3 RPP
Diff -133.4 RPP
| Category | Napa | Dubuque | Difference |
|---|---|---|---|
| Overall | 112.6 | 87.3 | -25.2 |
| Goods | 105.2 | 93.7 | -11.4 |
| Services | 156.5 | 81.2 | -75.3 |
| Rents | 197.4 | 64.0 | -133.4 |
Vertical line = national average (100)
Dubuque is 22.4% less expensive than Napa. The overall cost index is 87.3 vs 112.6 (national average = 100).
A $100,000 salary in Napa has the same purchasing power as $77,588 in Dubuque. This is based on the BEA Regional Price Parity indexes.
Rents in Napa are indexed at 197.4 while Dubuque is at 64.0 (national average = 100). Napa 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.