Overall
- Boston-Cambridge-Newton
- 108.3
Diff -3.6 RPP
Cost of living comparison based on BEA Regional Price Parities. Boston-Cambridge-Newton is 3.2% less expensive than San Diego-Chula Vista-Carlsbad.
Boston-Cambridge-Newton, MA-NH is 3.2% less expensive than San Diego-Chula Vista-Carlsbad, CA on BEA Regional Price Parities (overall RPP 108.3 vs 111.9). A $100,000 salary in San Diego-Chula Vista-Carlsbad buys about the same as $96,764 in Boston-Cambridge-Newton; the largest component gap is rents.
RPP parity plate
Pair CA:MA 111.9→108.3
TIER-NEAR · 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 San Diego-Chula Vista-Carlsbad would need to be in Boston-Cambridge-Newton for the same purchasing power:
| In San Diego-Chula Vista-Carlsbad | In Boston-Cambridge-Newton | Difference |
|---|---|---|
| $50,000 | $48,382 | $-1,618 |
| $75,000 | $72,573 | $-2,427 |
| $100,000 | $96,764 | $-3,236 |
| $150,000 | $145,146 | $-4,854 |
Same BEA Regional Price Parity ratio as the table above (111.9 → 108.3), 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.
Boston-Cambridge-Newton, MA-NH is 3.2% less expensive than San Diego-Chula Vista-Carlsbad, CA, a meaningful but not extreme shift. The move decision turns on which budget category creates the 3.6-point overall gap.
Rents leads the difference, with Boston-Cambridge-Newton 30.8 points lower than San Diego-Chula Vista-Carlsbad. 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 San Diego-Chula Vista-Carlsbad corresponds to $96,764 in Boston-Cambridge-Newton.
Diff -3.6 RPP
Diff -8.3 RPP
Diff -25.5 RPP
Diff -30.8 RPP
| Category | San Diego-Chula Vista-Carlsbad | Boston-Cambridge-Newton | Difference |
|---|---|---|---|
| Overall | 111.9 | 108.3 | -3.6 |
| Goods | 108.0 | 99.7 | -8.3 |
| Services | 174.2 | 148.8 | -25.5 |
| Rents | 179.3 | 148.4 | -30.8 |
Vertical line = national average (100)
Boston-Cambridge-Newton is 3.2% less expensive than San Diego-Chula Vista-Carlsbad. The overall cost index is 108.3 vs 111.9 (national average = 100).
A $100,000 salary in San Diego-Chula Vista-Carlsbad has the same purchasing power as $96,764 in Boston-Cambridge-Newton. This is based on the BEA Regional Price Parity indexes.
Rents in San Diego-Chula Vista-Carlsbad are indexed at 179.3 while Boston-Cambridge-Newton is at 148.4 (national average = 100). San Diego-Chula Vista-Carlsbad 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.