Overall
- Portland-South Portland
- 101.9
- Walla Walla
- 98.5
Diff -3.3 RPP
Portland-South Portland vs Walla Walla
Cost of living comparison based on BEA Regional Price Parities. Walla Walla is 3.3% less expensive than Portland-South Portland.
3.3% less expensive
Walla Walla, WA is 3.3% less expensive than Portland-South Portland, ME on BEA Regional Price Parities (overall RPP 98.5 vs 101.9). A $100,000 salary in Portland-South Portland buys about the same as $96,722 in Walla Walla; the largest component gap is services.
- Overall RPP 101.9 (Portland-South Portland) vs 98.5 (Walla Walla)
- $100k in Portland-South Portland ≈ $96,722 purchasing power in Walla Walla
- Services drives the gap (-40.3 RPP points)
RPP parity plate
Pair ME:WA 101.9→98.5
TIER-NEAR · CROSS-STATE · SPLIT-BUDGET · BENCH-CROSS · PP-SHIFT
- TIER-NEAR Near tier
- CROSS-STATE ME × WA
- SPLIT-BUDGET Split budget
- BENCH-CROSS Benchmark cross
- 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.
Category Breakdown
Goods
- Walla Walla
- 105.0
Diff +7.9 RPP
Services
- Portland-South Portland
- 134.6
- Walla Walla
- 94.3
Diff -40.3 RPP
Rents
- Portland-South Portland
- 105.2
- Walla Walla
- 86.6
Diff -18.6 RPP
| Category | Portland-South Portland | Walla Walla | Difference |
|---|---|---|---|
| Overall | 101.9 | 98.5 | -3.3 |
| Goods | 97.2 | 105.0 | +7.9 |
| Services | 134.6 | 94.3 | -40.3 |
| Rents | 105.2 | 86.6 | -18.6 |
Visual Comparison
Overall
Portland-South Portland 101.9
Walla Walla 98.5
Goods
Portland-South Portland 97.2
Walla Walla 105.0
Services
Portland-South Portland 134.6
Walla Walla 94.3
Rents
Portland-South Portland 105.2
Walla Walla 86.6
Vertical line = national average (100)
What This Comparison Actually Tells You
Services creates the largest separation: Walla Walla is 40.3 points lower. But goods move against the overall direction, so this is a split budget rather than a clean across-the-board winner.
Walla Walla, WA is 3.3% less expensive than Portland-South Portland, ME, a meaningful but not extreme shift. The move decision turns on which budget category creates the 3.3-point overall gap.
This route crosses the national benchmark: Portland-South Portland is above 100 while Walla Walla is below it. That makes the move a change of price regime, not merely a rank swap.
Comparable population context is incomplete for this pair, so no market-scale explanation is inferred from the price indexes.
For a service-heavy household, test childcare, health, and other locally supplied costs before relying on rent alone. The BEA ratio converts $100,000 in Portland-South Portland to $96,722 in Walla Walla, but it is not a personal spending weight.
Portland-South Portland
101.9
Cost Index
Walla Walla
98.5
Cost Index
Salary Equivalents
What a salary in Portland-South Portland would need to be in Walla Walla for the same purchasing power:
| In Portland-South Portland | In Walla Walla | Difference |
|---|---|---|
| $50,000 | $48,361 | $-1,639 |
| $75,000 | $72,541 | $-2,459 |
| $100,000 | $96,722 | $-3,278 |
| $150,000 | $145,083 | $-4,917 |
$ in Portland-South Portland = in Walla Walla
Same BEA Regional Price Parity ratio as the table above (101.9 → 98.5), computed live from your number, nothing is sent anywhere.
Frequently Asked Questions
Is Walla Walla more expensive than Portland-South Portland?
Walla Walla is 3.3% less expensive than Portland-South Portland. The overall cost index is 98.5 vs 101.9 (national average = 100).
What salary in Walla Walla equals $100K in Portland-South Portland?
A $100,000 salary in Portland-South Portland has the same purchasing power as $96,722 in Walla Walla. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Portland-South Portland and Walla Walla?
Rents in Portland-South Portland are indexed at 105.2 while Walla Walla is at 86.6 (national average = 100). Portland-South Portland 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.