Overall
- Boise City
- 98.4
- Boston-Cambridge-Newton
- 108.3
Diff +9.9 RPP
Cost of living comparison based on BEA Regional Price Parities. Boston-Cambridge-Newton is 10% more expensive than Boise City.
Boston-Cambridge-Newton, MA-NH is 10% more expensive than Boise City, ID on BEA Regional Price Parities (overall RPP 108.3 vs 98.4). A $100,000 salary in Boise City buys about the same as $110,036 in Boston-Cambridge-Newton; the largest component gap is services.
RPP parity plate
Pair ID:MA 98.4→108.3
TIER-GAP · CROSS-STATE · SERVICES-LED · 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.
Boise City, ID and Boston-Cambridge-Newton, MA-NH sit in clearly different price tiers, separated by 9.9 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
This route crosses the national benchmark: Boston-Cambridge-Newton is above 100 while Boise City is below it. That makes the move a change of price regime, not merely a rank swap.
Services leads the difference, with Boston-Cambridge-Newton 78.1 points higher than Boise City. 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 Boise City to $110,036 in Boston-Cambridge-Newton, but it is not a personal spending weight.
Diff +9.9 RPP
Diff +3.5 RPP
Diff +78.1 RPP
Diff +42.8 RPP
| Category | Boise City | Boston-Cambridge-Newton | Difference |
|---|---|---|---|
| Overall | 98.4 | 108.3 | +9.9 |
| Goods | 96.2 | 99.7 | +3.5 |
| Services | 70.7 | 148.8 | +78.1 |
| Rents | 105.6 | 148.4 | +42.8 |
Vertical line = national average (100)
What a salary in Boise City would need to be in Boston-Cambridge-Newton for the same purchasing power:
| In Boise City | In Boston-Cambridge-Newton | Difference |
|---|---|---|
| $50,000 | $55,018 | +$5,018 |
| $75,000 | $82,527 | +$7,527 |
| $100,000 | $110,036 | +$10,036 |
| $150,000 | $165,055 | +$15,055 |
Same BEA Regional Price Parity ratio as the table above (98.4 → 108.3), computed live from your number, nothing is sent anywhere.
Boston-Cambridge-Newton is 10% more expensive than Boise City. The overall cost index is 108.3 vs 98.4 (national average = 100).
A $100,000 salary in Boise City has the same purchasing power as $110,036 in Boston-Cambridge-Newton. This is based on the BEA Regional Price Parity indexes.
Rents in Boise City are indexed at 105.6 while Boston-Cambridge-Newton is at 148.4 (national average = 100). Boston-Cambridge-Newton 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.