Overall
- Harrisburg-Carlisle
- 98.7
- Chattanooga
- 91.5
Diff -7.2 RPP
Cost of living comparison based on BEA Regional Price Parities. Chattanooga is 7.3% less expensive than Harrisburg-Carlisle.
Chattanooga, TN-GA is 7.3% less expensive than Harrisburg-Carlisle, PA on BEA Regional Price Parities (overall RPP 91.5 vs 98.7). A $100,000 salary in Harrisburg-Carlisle buys about the same as $92,716 in Chattanooga; the largest component gap is services.
RPP parity plate
Pair PA:TN 98.7→91.5
TIER-NEAR · CROSS-STATE · SERVICES-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.
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.
Chattanooga, TN-GA is 7.3% less expensive than Harrisburg-Carlisle, PA, a meaningful but not extreme shift. The move decision turns on which budget category creates the 7.2-point overall gap.
Services leads the difference, with Chattanooga 33.9 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 service-heavy household, test childcare, health, and other locally supplied costs before relying on rent alone. The BEA ratio converts $100,000 in Harrisburg-Carlisle to $92,716 in Chattanooga, but it is not a personal spending weight.
Harrisburg-Carlisle and Chattanooga share 17 published annual releases from 2008 through 2024. Their overall gap held broadly steady, moving from 6.8 to 7.2 RPP points. Harrisburg-Carlisle remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 6.7 points between the first and latest shared releases (13.1 to 19.7 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Harrisburg-Carlisle RPP | Chattanooga RPP | Relative Gap |
|---|---|---|---|
| 2008 | 99.0 | 92.2 | 6.8 points Harrisburg-Carlisle higher |
| 2012 | 97.0 | 94.4 | 2.6 points Harrisburg-Carlisle higher |
| 2016 | 98.2 | 93.8 | 4.4 points Harrisburg-Carlisle higher |
| 2020 | 96.1 | 90.1 | 6.1 points Harrisburg-Carlisle higher |
| 2024 | 98.7 | 91.5 | 7.2 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.
Diff -7.2 RPP
Diff -4.7 RPP
Diff -33.9 RPP
Diff -19.7 RPP
| Category | Harrisburg-Carlisle | Chattanooga | Difference |
|---|---|---|---|
| Overall | 98.7 | 91.5 | -7.2 |
| Goods | 100.7 | 96.0 | -4.7 |
| Services | 108.1 | 74.2 | -33.9 |
| Rents | 96.3 | 76.5 | -19.7 |
Vertical line = national average (100)
What a salary in Harrisburg-Carlisle would need to be in Chattanooga for the same purchasing power:
| In Harrisburg-Carlisle | In Chattanooga | Difference |
|---|---|---|
| $50,000 | $46,358 | $-3,642 |
| $75,000 | $69,537 | $-5,463 |
| $100,000 | $92,716 | $-7,284 |
| $150,000 | $139,073 | $-10,927 |
Same BEA Regional Price Parity ratio as the table above (98.7 → 91.5), computed live from your number, nothing is sent anywhere.
Chattanooga is 7.3% less expensive than Harrisburg-Carlisle. The overall cost index is 91.5 vs 98.7 (national average = 100).
A $100,000 salary in Harrisburg-Carlisle has the same purchasing power as $92,716 in Chattanooga. This is based on the BEA Regional Price Parity indexes.
Rents in Harrisburg-Carlisle are indexed at 96.3 while Chattanooga is at 76.5 (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.