Overall
- Napa
- 112.6
Diff -14.5 RPP
Napa vs Hilton Head Island-Bluffton-Port Royal
Cost of living comparison based on BEA Regional Price Parities. Hilton Head Island-Bluffton-Port Royal is 12.9% less expensive than Napa.
12.9% less expensive
Hilton Head Island-Bluffton-Port Royal, SC is 12.9% less expensive than Napa, CA on BEA Regional Price Parities (overall RPP 98.0 vs 112.6). A $100,000 salary in Napa buys about the same as $87,084 in Hilton Head Island-Bluffton-Port Royal; the largest component gap is rents.
- Overall RPP 112.6 (Napa) vs 98.0 (Hilton Head Island-Bluffton-Port Royal)
- $100k in Napa ≈ $87,084 purchasing power in Hilton Head Island-Bluffton-Port Royal
- Rents drives the gap (-96.2 RPP points)
RPP parity plate
Pair CA:SC 112.6→98.0
TIER-GAP · CROSS-STATE · RENT-LED · BENCH-CROSS · PP-SHIFT
- TIER-GAP Clear tier gap
- CROSS-STATE CA × SC
- RENT-LED Rent-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.
Salary Equivalents
What a salary in Napa would need to be in Hilton Head Island-Bluffton-Port Royal for the same purchasing power:
| In Napa | In Hilton Head Island-Bluffton-Port Royal | Difference |
|---|---|---|
| $50,000 | $43,542 | $-6,458 |
| $75,000 | $65,313 | $-9,687 |
| $100,000 | $87,084 | $-12,916 |
| $150,000 | $130,627 | $-19,373 |
$ in Napa = in Hilton Head Island-Bluffton-Port Royal
Same BEA Regional Price Parity ratio as the table above (112.6 → 98.0), computed live from your number, nothing is sent anywhere.
What This Comparison Actually Tells You
Napa, CA and Hilton Head Island-Bluffton-Port Royal, SC sit in clearly different price tiers, separated by 14.5 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
This route crosses the national benchmark: Napa 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 96.2 points lower than Napa. 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 Napa corresponds to $87,084 in Hilton Head Island-Bluffton-Port Royal.
Category Breakdown
Goods
- Napa
- 105.2
Diff -8.8 RPP
Services
- Napa
- 156.5
Diff -68.4 RPP
Rents
- Napa
- 197.4
Diff -96.2 RPP
| Category | Napa | Hilton Head Island-Bluffton-Port Royal | Difference |
|---|---|---|---|
| Overall | 112.6 | 98.0 | -14.5 |
| Goods | 105.2 | 96.3 | -8.8 |
| Services | 156.5 | 88.1 | -68.4 |
| Rents | 197.4 | 101.2 | -96.2 |
Visual Comparison
Overall
Napa 112.6
Hilton Head Island-Bluffton-Port Royal 98.0
Goods
Napa 105.2
Hilton Head Island-Bluffton-Port Royal 96.3
Services
Napa 156.5
Hilton Head Island-Bluffton-Port Royal 88.1
Rents
Napa 197.4
Hilton Head Island-Bluffton-Port Royal 101.2
Vertical line = national average (100)
Napa
112.6
Cost Index
Hilton Head Island-Bluffton-Port Royal
98.0
Cost Index
How the Price Gap Changed
Napa and Hilton Head Island-Bluffton-Port Royal share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 20.1 to 14.5 RPP points. Napa remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 57.0 points between the first and latest shared releases (39.2 to 96.2 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Napa RPP | Hilton Head Island-Bluffton-Port Royal RPP | Relative Gap |
|---|---|---|---|
| 2008 | 115.2 | 95.1 | 20.1 points Napa higher |
| 2012 | 111.6 | 93.6 | 18.1 points Napa higher |
| 2016 | 117.8 | 96.0 | 21.8 points Napa higher |
| 2020 | 112.2 | 93.6 | 18.7 points Napa higher |
| 2024 | 112.6 | 98.0 | 14.5 points Napa 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.
Frequently Asked Questions
Is Hilton Head Island-Bluffton-Port Royal more expensive than Napa?
Hilton Head Island-Bluffton-Port Royal is 12.9% less expensive than Napa. The overall cost index is 98.0 vs 112.6 (national average = 100).
What salary in Hilton Head Island-Bluffton-Port Royal equals $100K in Napa?
A $100,000 salary in Napa has the same purchasing power as $87,084 in Hilton Head Island-Bluffton-Port Royal. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Napa and Hilton Head Island-Bluffton-Port Royal?
Rents in Napa are indexed at 197.4 while Hilton Head Island-Bluffton-Port Royal is at 101.2 (national average = 100). Napa 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.