Overall
- Trenton-Princeton
- 103.2
- Erie
- 91.0
Diff -12.2 RPP
Trenton-Princeton vs Erie
Cost of living comparison based on BEA Regional Price Parities. Erie is 11.9% less expensive than Trenton-Princeton.
11.9% less expensive
Erie, PA is 11.9% less expensive than Trenton-Princeton, NJ on BEA Regional Price Parities (overall RPP 91.0 vs 103.2). A $100,000 salary in Trenton-Princeton buys about the same as $88,147 in Erie; the largest component gap is rents.
- Overall RPP 103.2 (Trenton-Princeton) vs 91.0 (Erie)
- $100k in Trenton-Princeton ≈ $88,147 purchasing power in Erie
- Rents drives the gap (-78.3 RPP points)
RPP parity plate
Pair NJ:PA 103.2→91.0
TIER-GAP · CROSS-STATE · SPLIT-BUDGET · BENCH-CROSS · PP-SHIFT
- TIER-GAP Clear tier gap
- CROSS-STATE NJ × PA
- SPLIT-BUDGET Split budget
- 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.
Category Breakdown
Goods
- Trenton-Princeton
- 99.8
- Erie
- 100.7
Diff +0.9 RPP
Services
- Trenton-Princeton
- 112.3
- Erie
- 106.8
Diff -5.5 RPP
Rents
- Trenton-Princeton
- 135.1
- Erie
- 56.8
Diff -78.3 RPP
| Category | Trenton-Princeton | Erie | Difference |
|---|---|---|---|
| Overall | 103.2 | 91.0 | -12.2 |
| Goods | 99.8 | 100.7 | +0.9 |
| Services | 112.3 | 106.8 | -5.5 |
| Rents | 135.1 | 56.8 | -78.3 |
Visual Comparison
Overall
Trenton-Princeton 103.2
Erie 91.0
Goods
Trenton-Princeton 99.8
Erie 100.7
Services
Trenton-Princeton 112.3
Erie 106.8
Rents
Trenton-Princeton 135.1
Erie 56.8
Vertical line = national average (100)
What This Comparison Actually Tells You
Rents creates the largest separation: Erie is 78.3 points lower. But goods move against the overall direction, so this is a split budget rather than a clean across-the-board winner.
Trenton-Princeton, NJ and Erie, PA sit in clearly different price tiers, separated by 12.2 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
This route crosses the national benchmark: Trenton-Princeton is above 100 while Erie 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 Trenton-Princeton corresponds to $88,147 in Erie.
Trenton-Princeton
103.2
Cost Index
Erie
91.0
Cost Index
Salary Equivalents
What a salary in Trenton-Princeton would need to be in Erie for the same purchasing power:
| In Trenton-Princeton | In Erie | Difference |
|---|---|---|
| $50,000 | $44,073 | $-5,927 |
| $75,000 | $66,110 | $-8,890 |
| $100,000 | $88,147 | $-11,853 |
| $150,000 | $132,220 | $-17,780 |
$ in Trenton-Princeton = in Erie
Same BEA Regional Price Parity ratio as the table above (103.2 → 91.0), computed live from your number, nothing is sent anywhere.
Frequently Asked Questions
Is Erie more expensive than Trenton-Princeton?
Erie is 11.9% less expensive than Trenton-Princeton. The overall cost index is 91.0 vs 103.2 (national average = 100).
What salary in Erie equals $100K in Trenton-Princeton?
A $100,000 salary in Trenton-Princeton has the same purchasing power as $88,147 in Erie. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Trenton-Princeton and Erie?
Rents in Trenton-Princeton are indexed at 135.1 while Erie is at 56.8 (national average = 100). Trenton-Princeton 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.