Overall
- Harrisburg-Carlisle
- 98.7
- Birmingham
- 91.6
Diff -7.0 RPP
Cost of living comparison based on BEA Regional Price Parities. Birmingham is 7.1% less expensive than Harrisburg-Carlisle.
Birmingham, AL is 7.1% less expensive than Harrisburg-Carlisle, PA on BEA Regional Price Parities (overall RPP 91.6 vs 98.7). A $100,000 salary in Harrisburg-Carlisle buys about the same as $92,898 in Birmingham; the largest component gap is rents.
RPP parity plate
Pair PA:AL 98.7→91.6
TIER-NEAR · CROSS-STATE · RENT-LED · BOTH-BELOW · 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.
What a salary in Harrisburg-Carlisle would need to be in Birmingham for the same purchasing power:
| In Harrisburg-Carlisle | In Birmingham | Difference |
|---|---|---|
| $50,000 | $46,449 | $-3,551 |
| $75,000 | $69,674 | $-5,326 |
| $100,000 | $92,898 | $-7,102 |
| $150,000 | $139,347 | $-10,653 |
Same BEA Regional Price Parity ratio as the table above (98.7 → 91.6), computed live from your number, nothing is sent anywhere.
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.
Birmingham, AL is 7.1% less expensive than Harrisburg-Carlisle, PA, a meaningful but not extreme shift. The move decision turns on which budget category creates the 7.0-point overall gap.
Rents leads the difference, with Birmingham 24.4 points lower than Harrisburg-Carlisle. 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.
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 Harrisburg-Carlisle corresponds to $92,898 in Birmingham.
Diff -7.0 RPP
Diff -4.3 RPP
Diff -24.3 RPP
Diff -24.4 RPP
| Category | Harrisburg-Carlisle | Birmingham | Difference |
|---|---|---|---|
| Overall | 98.7 | 91.6 | -7.0 |
| Goods | 100.7 | 96.4 | -4.3 |
| Services | 108.1 | 83.8 | -24.3 |
| Rents | 96.3 | 71.9 | -24.4 |
Vertical line = national average (100)
Harrisburg-Carlisle and Birmingham share 17 published annual releases from 2008 through 2024. Their overall gap held broadly steady, moving from 6.3 to 7.0 RPP points. Harrisburg-Carlisle remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 10.9 points between the first and latest shared releases (13.6 to 24.4 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Harrisburg-Carlisle RPP | Birmingham RPP | Relative Gap |
|---|---|---|---|
| 2008 | 99.0 | 92.7 | 6.3 points Harrisburg-Carlisle higher |
| 2012 | 97.0 | 93.7 | 3.3 points Harrisburg-Carlisle higher |
| 2016 | 98.2 | 94.1 | 4.1 points Harrisburg-Carlisle higher |
| 2020 | 96.1 | 91.4 | 4.8 points Harrisburg-Carlisle higher |
| 2024 | 98.7 | 91.6 | 7.0 points Harrisburg-Carlisle 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.
Birmingham is 7.1% less expensive than Harrisburg-Carlisle. The overall cost index is 91.6 vs 98.7 (national average = 100).
A $100,000 salary in Harrisburg-Carlisle has the same purchasing power as $92,898 in Birmingham. This is based on the BEA Regional Price Parity indexes.
Rents in Harrisburg-Carlisle are indexed at 96.3 while Birmingham is at 71.9 (national average = 100). Harrisburg-Carlisle 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.