Overall
Diff +12.7 RPP
Cost of living comparison based on BEA Regional Price Parities. Salem is 14% more expensive than Erie.
Salem, OR is 14% more expensive than Erie, PA on BEA Regional Price Parities (overall RPP 103.6 vs 91.0). A $100,000 salary in Erie buys about the same as $113,963 in Salem; the largest component gap is rents.
RPP parity plate
Pair PA:OR 91.0→103.6
TIER-GAP · CROSS-STATE · SPLIT-BUDGET · 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.
Diff +12.7 RPP
Diff +4.6 RPP
Diff -2.1 RPP
Diff +53.5 RPP
| Category | Erie | Salem | Difference |
|---|---|---|---|
| Overall | 91.0 | 103.6 | +12.7 |
| Goods | 100.7 | 105.3 | +4.6 |
| Services | 106.8 | 104.7 | -2.1 |
| Rents | 56.8 | 110.3 | +53.5 |
Vertical line = national average (100)
Rents creates the largest separation: Salem is 53.5 points higher. But services move against the overall direction, so this is a split budget rather than a clean across-the-board winner.
Erie, PA and Salem, OR sit in clearly different price tiers, separated by 12.7 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
This route crosses the national benchmark: Salem 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 Erie corresponds to $113,963 in Salem.
What a salary in Erie would need to be in Salem for the same purchasing power:
| In Erie | In Salem | Difference |
|---|---|---|
| $50,000 | $56,981 | +$6,981 |
| $75,000 | $85,472 | +$10,472 |
| $100,000 | $113,963 | +$13,963 |
| $150,000 | $170,944 | +$20,944 |
Same BEA Regional Price Parity ratio as the table above (91.0 → 103.6), computed live from your number, nothing is sent anywhere.
Erie and Salem share 17 published annual releases from 2008 through 2024. Their overall gap widened, moving from 2.3 to 12.7 RPP points. Salem remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 42.9 points between the first and latest shared releases (10.6 to 53.5 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Erie RPP | Salem RPP | Relative Gap |
|---|---|---|---|
| 2008 | 96.5 | 94.1 | 2.3 points Erie higher |
| 2012 | 95.3 | 101.1 | 5.8 points Salem higher |
| 2016 | 95.5 | 97.1 | 1.7 points Salem higher |
| 2020 | 92.8 | 100.9 | 8.1 points Salem higher |
| 2024 | 91.0 | 103.6 | 12.7 points Salem 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.
Salem is 14% more expensive than Erie. The overall cost index is 103.6 vs 91.0 (national average = 100).
A $100,000 salary in Erie has the same purchasing power as $113,963 in Salem. This is based on the BEA Regional Price Parity indexes.
Rents in Erie are indexed at 56.8 while Salem is at 110.3 (national average = 100). Salem 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.