Overall
- Santa Rosa-Petaluma
- 107.8
- Barnstable Town
- 98.4
Diff -9.4 RPP
Cost of living comparison based on BEA Regional Price Parities. Barnstable Town is 8.8% less expensive than Santa Rosa-Petaluma.
Barnstable Town, MA is 8.8% less expensive than Santa Rosa-Petaluma, CA on BEA Regional Price Parities (overall RPP 98.4 vs 107.8). A $100,000 salary in Santa Rosa-Petaluma buys about the same as $91,248 in Barnstable Town; the largest component gap is rents.
RPP parity plate
Pair CA:MA 107.8→98.4
TIER-GAP · CROSS-STATE · SPLIT-BUDGET · BENCH-CROSS · 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.
Diff -9.4 RPP
Diff -8.2 RPP
Diff +3.7 RPP
Diff -49.6 RPP
| Category | Santa Rosa-Petaluma | Barnstable Town | Difference |
|---|---|---|---|
| Overall | 107.8 | 98.4 | -9.4 |
| Goods | 105.2 | 97.0 | -8.2 |
| Services | 154.8 | 158.4 | +3.7 |
| Rents | 139.6 | 90.0 | -49.6 |
Vertical line = national average (100)
Rents creates the largest separation: Barnstable Town is 49.6 points lower. But services move against the overall direction, so this is a split budget rather than a clean across-the-board winner.
Santa Rosa-Petaluma, CA and Barnstable Town, MA sit in clearly different price tiers, separated by 9.4 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 Barnstable Town 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 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 Santa Rosa-Petaluma corresponds to $91,248 in Barnstable Town.
What a salary in Santa Rosa-Petaluma would need to be in Barnstable Town for the same purchasing power:
| In Santa Rosa-Petaluma | In Barnstable Town | Difference |
|---|---|---|
| $50,000 | $45,624 | $-4,376 |
| $75,000 | $68,436 | $-6,564 |
| $100,000 | $91,248 | $-8,752 |
| $150,000 | $136,872 | $-13,128 |
Same BEA Regional Price Parity ratio as the table above (107.8 → 98.4), computed live from your number, nothing is sent anywhere.
Santa Rosa-Petaluma and Barnstable Town share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 15.3 to 9.4 RPP points. Santa Rosa-Petaluma remained the higher-index metro in the latest release.
Services changed the most within this pair: its gap moved 20.3 points between the first and latest shared releases (24.0 to 3.7 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Santa Rosa-Petaluma RPP | Barnstable Town RPP | Relative Gap |
|---|---|---|---|
| 2008 | 118.1 | 102.8 | 15.3 points Santa Rosa-Petaluma higher |
| 2012 | 112.3 | 100.9 | 11.4 points Santa Rosa-Petaluma higher |
| 2016 | 115.1 | 105.8 | 9.3 points Santa Rosa-Petaluma higher |
| 2020 | 111.4 | 101.3 | 10.1 points Santa Rosa-Petaluma higher |
| 2024 | 107.8 | 98.4 | 9.4 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.
Barnstable Town is 8.8% less expensive than Santa Rosa-Petaluma. The overall cost index is 98.4 vs 107.8 (national average = 100).
A $100,000 salary in Santa Rosa-Petaluma has the same purchasing power as $91,248 in Barnstable Town. This is based on the BEA Regional Price Parity indexes.
Rents in Santa Rosa-Petaluma are indexed at 139.6 while Barnstable Town is at 90.0 (national average = 100). Santa Rosa-Petaluma 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.