Overall
- Napa
- 112.6
- Portland-South Portland
- 101.9
Diff -10.7 RPP
Cost of living comparison based on BEA Regional Price Parities. Portland-South Portland is 9.5% less expensive than Napa.
Portland-South Portland, ME is 9.5% less expensive than Napa, CA on BEA Regional Price Parities (overall RPP 101.9 vs 112.6). A $100,000 salary in Napa buys about the same as $90,497 in Portland-South Portland; the largest component gap is rents.
RPP parity plate
Pair CA:ME 112.6→101.9
TIER-GAP · CROSS-STATE · RENT-LED · BOTH-ABOVE · 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.
What a salary in Napa would need to be in Portland-South Portland for the same purchasing power:
| In Napa | In Portland-South Portland | Difference |
|---|---|---|
| $50,000 | $45,249 | $-4,751 |
| $75,000 | $67,873 | $-7,127 |
| $100,000 | $90,497 | $-9,503 |
| $150,000 | $135,746 | $-14,254 |
Same BEA Regional Price Parity ratio as the table above (112.6 → 101.9), computed live from your number, nothing is sent anywhere.
Both metros exceed the U.S. benchmark of 100. The choice is between two national premiums, so local wages need to clear the higher baseline in either market.
Napa, CA and Portland-South Portland, ME sit in clearly different price tiers, separated by 10.7 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
Rents leads the difference, with Portland-South Portland 92.3 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 $90,497 in Portland-South Portland.
Diff -10.7 RPP
Diff -8.0 RPP
Diff -21.9 RPP
Diff -92.3 RPP
| Category | Napa | Portland-South Portland | Difference |
|---|---|---|---|
| Overall | 112.6 | 101.9 | -10.7 |
| Goods | 105.2 | 97.2 | -8.0 |
| Services | 156.5 | 134.6 | -21.9 |
| Rents | 197.4 | 105.2 | -92.3 |
Vertical line = national average (100)
Portland-South Portland is 9.5% less expensive than Napa. The overall cost index is 101.9 vs 112.6 (national average = 100).
A $100,000 salary in Napa has the same purchasing power as $90,497 in Portland-South Portland. This is based on the BEA Regional Price Parity indexes.
Rents in Napa are indexed at 197.4 while Portland-South Portland is at 105.2 (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.