Overall
- Hattiesburg
- 87.6
- Auburn-Opelika
- 87.9
Diff +0.3 RPP
Cost of living comparison based on BEA Regional Price Parities. Auburn-Opelika is 0.3% more expensive than Hattiesburg.
Auburn-Opelika, AL is 0.3% more expensive than Hattiesburg, MS on BEA Regional Price Parities (overall RPP 87.9 vs 87.6). A $100,000 salary in Hattiesburg buys about the same as $100,342 in Auburn-Opelika; the largest component gap is services.
RPP parity plate
Pair MS:AL 87.6→87.9
PHOTO-FINISH · CROSS-STATE · SERVICES-LED · 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.
Hattiesburg, MS and Auburn-Opelika, AL are a photo finish on overall price level, only 0.3 RPP points apart. A salary conversion is therefore a fine adjustment, not evidence of a fundamentally different cost regime.
Services leads the difference, with Auburn-Opelika 7.0 points higher than Hattiesburg. 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.
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 Hattiesburg to $100,342 in Auburn-Opelika, but it is not a personal spending weight.
Diff +0.3 RPP
Diff +0.2 RPP
Diff +7.0 RPP
Diff +2.0 RPP
| Category | Hattiesburg | Auburn-Opelika | Difference |
|---|---|---|---|
| Overall | 87.6 | 87.9 | +0.3 |
| Goods | 96.2 | 96.4 | +0.2 |
| Services | 76.9 | 83.9 | +7.0 |
| Rents | 60.1 | 62.1 | +2.0 |
Vertical line = national average (100)
What a salary in Hattiesburg would need to be in Auburn-Opelika for the same purchasing power:
| In Hattiesburg | In Auburn-Opelika | Difference |
|---|---|---|
| $50,000 | $50,171 | +$171 |
| $75,000 | $75,257 | +$257 |
| $100,000 | $100,342 | +$342 |
| $150,000 | $150,514 | +$514 |
Same BEA Regional Price Parity ratio as the table above (87.6 → 87.9), computed live from your number, nothing is sent anywhere.
Auburn-Opelika is 0.3% more expensive than Hattiesburg. The overall cost index is 87.9 vs 87.6 (national average = 100).
A $100,000 salary in Hattiesburg has the same purchasing power as $100,342 in Auburn-Opelika. This is based on the BEA Regional Price Parity indexes.
Rents in Hattiesburg are indexed at 60.1 while Auburn-Opelika is at 62.1 (national average = 100). Auburn-Opelika 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.