Overall
- Trenton-Princeton
- 103.2
Diff -5.2 RPP
Cost of living comparison based on BEA Regional Price Parities. Hilton Head Island-Bluffton-Port Royal is 5% less expensive than Trenton-Princeton.
Hilton Head Island-Bluffton-Port Royal, SC is 5% less expensive than Trenton-Princeton, NJ on BEA Regional Price Parities (overall RPP 98.0 vs 103.2). A $100,000 salary in Trenton-Princeton buys about the same as $94,996 in Hilton Head Island-Bluffton-Port Royal; the largest component gap is rents.
RPP parity plate
Pair NJ:SC 103.2→98.0
TIER-NEAR · CROSS-STATE · RENT-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.
What a salary in Trenton-Princeton would need to be in Hilton Head Island-Bluffton-Port Royal for the same purchasing power:
| In Trenton-Princeton | In Hilton Head Island-Bluffton-Port Royal | Difference |
|---|---|---|
| $50,000 | $47,498 | $-2,502 |
| $75,000 | $71,247 | $-3,753 |
| $100,000 | $94,996 | $-5,004 |
| $150,000 | $142,494 | $-7,506 |
Same BEA Regional Price Parity ratio as the table above (103.2 → 98.0), computed live from your number, nothing is sent anywhere.
Hilton Head Island-Bluffton-Port Royal, SC is 5% less expensive than Trenton-Princeton, NJ, a meaningful but not extreme shift. The move decision turns on which budget category creates the 5.2-point overall gap.
This route crosses the national benchmark: Trenton-Princeton is above 100 while Hilton Head Island-Bluffton-Port Royal is below it. That makes the move a change of price regime, not merely a rank swap.
Rents leads the difference, with Hilton Head Island-Bluffton-Port Royal 33.8 points lower than Trenton-Princeton. 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 Trenton-Princeton corresponds to $94,996 in Hilton Head Island-Bluffton-Port Royal.
Diff -5.2 RPP
Diff -3.5 RPP
Diff -24.2 RPP
Diff -33.8 RPP
| Category | Trenton-Princeton | Hilton Head Island-Bluffton-Port Royal | Difference |
|---|---|---|---|
| Overall | 103.2 | 98.0 | -5.2 |
| Goods | 99.8 | 96.3 | -3.5 |
| Services | 112.3 | 88.1 | -24.2 |
| Rents | 135.1 | 101.2 | -33.8 |
Vertical line = national average (100)
Trenton-Princeton and Hilton Head Island-Bluffton-Port Royal share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 9.5 to 5.2 RPP points. Trenton-Princeton remained the higher-index metro in the latest release.
Services changed the most within this pair: its gap moved 36.5 points between the first and latest shared releases (60.7 to 24.2 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Trenton-Princeton RPP | Hilton Head Island-Bluffton-Port Royal RPP | Relative Gap |
|---|---|---|---|
| 2008 | 104.6 | 95.1 | 9.5 points Trenton-Princeton higher |
| 2012 | 108.4 | 93.6 | 14.8 points Trenton-Princeton higher |
| 2016 | 108.8 | 96.0 | 12.8 points Trenton-Princeton higher |
| 2020 | 104.2 | 93.6 | 10.6 points Trenton-Princeton higher |
| 2024 | 103.2 | 98.0 | 5.2 points Trenton-Princeton 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.
Hilton Head Island-Bluffton-Port Royal is 5% less expensive than Trenton-Princeton. The overall cost index is 98.0 vs 103.2 (national average = 100).
A $100,000 salary in Trenton-Princeton has the same purchasing power as $94,996 in Hilton Head Island-Bluffton-Port Royal. This is based on the BEA Regional Price Parity indexes.
Rents in Trenton-Princeton are indexed at 135.1 while Hilton Head Island-Bluffton-Port Royal is at 101.2 (national average = 100). Trenton-Princeton 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.