Overall
- Lafayette
- 87.2
- Hattiesburg
- 87.6
Diff +0.4 RPP
Lafayette vs Hattiesburg
Cost of living comparison based on BEA Regional Price Parities. Hattiesburg is 0.5% more expensive than Lafayette.
0.5% more expensive
Hattiesburg, MS is 0.5% more expensive than Lafayette, LA on BEA Regional Price Parities (overall RPP 87.6 vs 87.2). A $100,000 salary in Lafayette buys about the same as $100,486 in Hattiesburg; the largest component gap is services.
- Overall RPP 87.2 (Lafayette) vs 87.6 (Hattiesburg)
- $100k in Lafayette ≈ $100,486 purchasing power in Hattiesburg
- Services drives the gap (+5.7 RPP points)
RPP parity plate
Pair LA:MS 87.2→87.6
PHOTO-FINISH · CROSS-STATE · SERVICES-LED · BOTH-BELOW · PP-PAR
- PHOTO-FINISH Photo finish
- CROSS-STATE LA × MS
- SERVICES-LED Services-led gap
- BOTH-BELOW Both below 100
- PP-PAR PP near-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.
Lafayette
87.2
Cost Index
Hattiesburg
87.6
Cost Index
What This Comparison Actually Tells You
Lafayette, LA and Hattiesburg, MS are a photo finish on overall price level, only 0.4 RPP points apart. A salary conversion is therefore a fine adjustment, not evidence of a fundamentally different cost regime.
Services leads the difference, with Hattiesburg 5.7 points higher than Lafayette. 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 Lafayette to $100,486 in Hattiesburg, but it is not a personal spending weight.
Category Breakdown
Goods
- Lafayette
- 93.7
- Hattiesburg
- 96.2
Diff +2.5 RPP
Services
- Lafayette
- 71.2
- Hattiesburg
- 76.9
Diff +5.7 RPP
Rents
- Lafayette
- 58.8
- Hattiesburg
- 60.1
Diff +1.2 RPP
| Category | Lafayette | Hattiesburg | Difference |
|---|---|---|---|
| Overall | 87.2 | 87.6 | +0.4 |
| Goods | 93.7 | 96.2 | +2.5 |
| Services | 71.2 | 76.9 | +5.7 |
| Rents | 58.8 | 60.1 | +1.2 |
Visual Comparison
Overall
Lafayette 87.2
Hattiesburg 87.6
Goods
Lafayette 93.7
Hattiesburg 96.2
Services
Lafayette 71.2
Hattiesburg 76.9
Rents
Lafayette 58.8
Hattiesburg 60.1
Vertical line = national average (100)
Salary Equivalents
What a salary in Lafayette would need to be in Hattiesburg for the same purchasing power:
| In Lafayette | In Hattiesburg | Difference |
|---|---|---|
| $50,000 | $50,243 | +$243 |
| $75,000 | $75,365 | +$365 |
| $100,000 | $100,486 | +$486 |
| $150,000 | $150,729 | +$729 |
$ in Lafayette = in Hattiesburg
Same BEA Regional Price Parity ratio as the table above (87.2 → 87.6), computed live from your number, nothing is sent anywhere.
Frequently Asked Questions
Is Hattiesburg more expensive than Lafayette?
Hattiesburg is 0.5% more expensive than Lafayette. The overall cost index is 87.6 vs 87.2 (national average = 100).
What salary in Hattiesburg equals $100K in Lafayette?
A $100,000 salary in Lafayette has the same purchasing power as $100,486 in Hattiesburg. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Lafayette and Hattiesburg?
Rents in Lafayette are indexed at 58.8 while Hattiesburg is at 60.1 (national average = 100). Hattiesburg 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.