Overall
- Santa Rosa-Petaluma
- 107.8
- Walla Walla
- 98.5
Diff -9.3 RPP
Santa Rosa-Petaluma vs Walla Walla
Cost of living comparison based on BEA Regional Price Parities. Walla Walla is 8.6% less expensive than Santa Rosa-Petaluma.
8.6% less expensive
Walla Walla, WA is 8.6% less expensive than Santa Rosa-Petaluma, CA on BEA Regional Price Parities (overall RPP 98.5 vs 107.8). A $100,000 salary in Santa Rosa-Petaluma buys about the same as $91,404 in Walla Walla; the largest component gap is services.
- Overall RPP 107.8 (Santa Rosa-Petaluma) vs 98.5 (Walla Walla)
- $100k in Santa Rosa-Petaluma ≈ $91,404 purchasing power in Walla Walla
- Services drives the gap (-60.5 RPP points)
RPP parity plate
Pair CA:WA 107.8→98.5
TIER-GAP · CROSS-STATE · SERVICES-LED · BENCH-CROSS · PP-SHIFT
- TIER-GAP Clear tier gap
- CROSS-STATE CA × WA
- SERVICES-LED Services-led gap
- 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.
What This Comparison Actually Tells You
Santa Rosa-Petaluma, CA and Walla Walla, WA sit in clearly different price tiers, separated by 9.3 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
This route crosses the national benchmark: Santa Rosa-Petaluma is above 100 while Walla Walla is below it. That makes the move a change of price regime, not merely a rank swap.
Services leads the difference, with Walla Walla 60.5 points lower than Santa Rosa-Petaluma. 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 service-heavy household, test childcare, health, and other locally supplied costs before relying on rent alone. The BEA ratio converts $100,000 in Santa Rosa-Petaluma to $91,404 in Walla Walla, but it is not a personal spending weight.
How the Price Gap Changed
Santa Rosa-Petaluma and Walla Walla share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 22.5 to 9.3 RPP points. Santa Rosa-Petaluma remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 34.1 points between the first and latest shared releases (87.0 to 53.0 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Santa Rosa-Petaluma RPP | Walla Walla RPP | Relative Gap |
|---|---|---|---|
| 2008 | 118.1 | 95.6 | 22.5 points Santa Rosa-Petaluma higher |
| 2012 | 112.3 | 95.1 | 17.2 points Santa Rosa-Petaluma higher |
| 2016 | 115.1 | 96.3 | 18.7 points Santa Rosa-Petaluma higher |
| 2020 | 111.4 | 95.2 | 16.2 points Santa Rosa-Petaluma higher |
| 2024 | 107.8 | 98.5 | 9.3 points Santa Rosa-Petaluma higher |
Annual BEA Regional Price Parity releases; a higher index means a higher price level relative to the national average of 100. Selected years shown from the full shared series.
Category Breakdown
Goods
- Santa Rosa-Petaluma
- 105.2
- Walla Walla
- 105.0
Diff -0.1 RPP
Services
- Santa Rosa-Petaluma
- 154.8
- Walla Walla
- 94.3
Diff -60.5 RPP
Rents
- Santa Rosa-Petaluma
- 139.6
- Walla Walla
- 86.6
Diff -53.0 RPP
| Category | Santa Rosa-Petaluma | Walla Walla | Difference |
|---|---|---|---|
| Overall | 107.8 | 98.5 | -9.3 |
| Goods | 105.2 | 105.0 | -0.1 |
| Services | 154.8 | 94.3 | -60.5 |
| Rents | 139.6 | 86.6 | -53.0 |
Visual Comparison
Overall
Santa Rosa-Petaluma 107.8
Walla Walla 98.5
Goods
Santa Rosa-Petaluma 105.2
Walla Walla 105.0
Services
Santa Rosa-Petaluma 154.8
Walla Walla 94.3
Rents
Santa Rosa-Petaluma 139.6
Walla Walla 86.6
Vertical line = national average (100)
Salary Equivalents
What a salary in Santa Rosa-Petaluma would need to be in Walla Walla for the same purchasing power:
| In Santa Rosa-Petaluma | In Walla Walla | Difference |
|---|---|---|
| $50,000 | $45,702 | $-4,298 |
| $75,000 | $68,553 | $-6,447 |
| $100,000 | $91,404 | $-8,596 |
| $150,000 | $137,106 | $-12,894 |
$ in Santa Rosa-Petaluma = in Walla Walla
Same BEA Regional Price Parity ratio as the table above (107.8 → 98.5), computed live from your number, nothing is sent anywhere.
Santa Rosa-Petaluma
107.8
Cost Index
Walla Walla
98.5
Cost Index
Frequently Asked Questions
Is Walla Walla more expensive than Santa Rosa-Petaluma?
Walla Walla is 8.6% less expensive than Santa Rosa-Petaluma. The overall cost index is 98.5 vs 107.8 (national average = 100).
What salary in Walla Walla equals $100K in Santa Rosa-Petaluma?
A $100,000 salary in Santa Rosa-Petaluma has the same purchasing power as $91,404 in Walla Walla. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Santa Rosa-Petaluma and Walla Walla?
Rents in Santa Rosa-Petaluma are indexed at 139.6 while Walla Walla is at 86.6 (national average = 100). Santa Rosa-Petaluma 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.