Overall
Diff +0.1 RPP
Cost of living comparison based on BEA Regional Price Parities. Bismarck is 0.1% more expensive than Erie.
Bismarck, ND is 0.1% more expensive than Erie, PA on BEA Regional Price Parities (overall RPP 91.0 vs 91.0). A $100,000 salary in Erie buys about the same as $100,081 in Bismarck; the largest component gap is services.
RPP parity plate
Pair PA:ND 91.0→91.0
PHOTO-FINISH · CROSS-STATE · SPLIT-BUDGET · BOTH-BELOW · PP-PAR
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.
Erie, PA and Bismarck, ND are a photo finish on overall price level, only 0.1 RPP points apart. A salary conversion is therefore a fine adjustment, not evidence of a fundamentally different cost regime.
Services creates the largest separation: Bismarck is 31.8 points lower. But services and goods move against the overall direction, so this is a split budget rather than a clean across-the-board winner.
Comparable population context is incomplete for this pair, so no market-scale explanation is inferred from the price indexes.
Both metros remain below the U.S. benchmark of 100. This comparison chooses between two below-average price levels; “more expensive” here does not mean nationally expensive.
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 Erie to $100,081 in Bismarck, but it is not a personal spending weight.
Diff +0.1 RPP
Diff -5.0 RPP
Diff -31.8 RPP
Diff +27.2 RPP
| Category | Erie | Bismarck | Difference |
|---|---|---|---|
| Overall | 91.0 | 91.0 | +0.1 |
| Goods | 100.7 | 95.7 | -5.0 |
| Services | 106.8 | 75.0 | -31.8 |
| Rents | 56.8 | 84.0 | +27.2 |
Vertical line = national average (100)
What a salary in Erie would need to be in Bismarck for the same purchasing power:
| In Erie | In Bismarck | Difference |
|---|---|---|
| $50,000 | $50,041 | +$41 |
| $75,000 | $75,061 | +$61 |
| $100,000 | $100,081 | +$81 |
| $150,000 | $150,122 | +$122 |
Same BEA Regional Price Parity ratio as the table above (91.0 → 91.0), computed live from your number, nothing is sent anywhere.
Bismarck is 0.1% more expensive than Erie. The overall cost index is 91.0 vs 91.0 (national average = 100).
A $100,000 salary in Erie has the same purchasing power as $100,081 in Bismarck. This is based on the BEA Regional Price Parity indexes.
Rents in Erie are indexed at 56.8 while Bismarck is at 84.0 (national average = 100). Bismarck 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.