Overall
- Portland-South Portland
- 101.9
- Napa
- 112.6
Diff +10.7 RPP
Portland-South Portland vs Napa
Cost of living comparison based on BEA Regional Price Parities. Napa is 10.5% more expensive than Portland-South Portland.
10.5% more expensive
Napa, CA is 10.5% more expensive than Portland-South Portland, ME on BEA Regional Price Parities (overall RPP 112.6 vs 101.9). A $100,000 salary in Portland-South Portland buys about the same as $110,501 in Napa; the largest component gap is rents.
- Overall RPP 101.9 (Portland-South Portland) vs 112.6 (Napa)
- $100k in Portland-South Portland ≈ $110,501 purchasing power in Napa
- Rents drives the gap (+92.3 RPP points)
RPP parity plate
Pair ME:CA 101.9→112.6
TIER-GAP · CROSS-STATE · RENT-LED · BOTH-ABOVE · PP-SHIFT
- TIER-GAP Clear tier gap
- CROSS-STATE ME × CA
- RENT-LED Rent-led gap
- BOTH-ABOVE Both above 100
- PP-SHIFT 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.
Salary Equivalents
What a salary in Portland-South Portland would need to be in Napa for the same purchasing power:
| In Portland-South Portland | In Napa | Difference |
|---|---|---|
| $50,000 | $55,250 | +$5,250 |
| $75,000 | $82,876 | +$7,876 |
| $100,000 | $110,501 | +$10,501 |
| $150,000 | $165,751 | +$15,751 |
$ in Portland-South Portland = in Napa
Same BEA Regional Price Parity ratio as the table above (101.9 → 112.6), computed live from your number, nothing is sent anywhere.
What This Comparison Actually Tells You
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.
Portland-South Portland, ME and Napa, CA 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 Napa 92.3 points higher than Portland-South Portland. 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 Portland-South Portland corresponds to $110,501 in Napa.
Category Breakdown
Goods
- Napa
- 105.2
Diff +8.0 RPP
Services
- Portland-South Portland
- 134.6
- Napa
- 156.5
Diff +21.9 RPP
Rents
- Portland-South Portland
- 105.2
- Napa
- 197.4
Diff +92.3 RPP
| Category | Portland-South Portland | Napa | Difference |
|---|---|---|---|
| Overall | 101.9 | 112.6 | +10.7 |
| Goods | 97.2 | 105.2 | +8.0 |
| Services | 134.6 | 156.5 | +21.9 |
| Rents | 105.2 | 197.4 | +92.3 |
Visual Comparison
Overall
Portland-South Portland 101.9
Napa 112.6
Goods
Portland-South Portland 97.2
Napa 105.2
Services
Portland-South Portland 134.6
Napa 156.5
Rents
Portland-South Portland 105.2
Napa 197.4
Vertical line = national average (100)
Portland-South Portland
101.9
Cost Index
Napa
112.6
Cost Index
Frequently Asked Questions
Is Napa more expensive than Portland-South Portland?
Napa is 10.5% more expensive than Portland-South Portland. The overall cost index is 112.6 vs 101.9 (national average = 100).
What salary in Napa equals $100K in Portland-South Portland?
A $100,000 salary in Portland-South Portland has the same purchasing power as $110,501 in Napa. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Portland-South Portland and Napa?
Rents in Portland-South Portland are indexed at 105.2 while Napa is at 197.4 (national average = 100). Napa 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.