Overall
- Harrisburg-Carlisle
- 98.7
- Kankakee
- 96.4
Diff -2.3 RPP
Cost of living comparison based on BEA Regional Price Parities. Kankakee is 2.3% less expensive than Harrisburg-Carlisle.
Kankakee, IL is 2.3% less expensive than Harrisburg-Carlisle, PA on BEA Regional Price Parities (overall RPP 96.4 vs 98.7). A $100,000 salary in Harrisburg-Carlisle buys about the same as $97,713 in Kankakee; the largest component gap is services.
RPP parity plate
Pair PA:IL 98.7→96.4
TIER-NEAR · 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.
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.
Kankakee, IL is 2.3% less expensive than Harrisburg-Carlisle, PA, a meaningful but not extreme shift. The move decision turns on which budget category creates the 2.3-point overall gap.
Services leads the difference, with Kankakee 18.7 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 $97,713 in Kankakee, but it is not a personal spending weight.
Harrisburg-Carlisle and Kankakee share 17 published annual releases from 2008 through 2024. Their overall gap widened, moving from 0.5 to 2.3 RPP points. Harrisburg-Carlisle remained the higher-index metro in the latest release.
Goods changed the most within this pair: its gap moved 10.7 points between the first and latest shared releases (3.7 to 7.0 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Harrisburg-Carlisle RPP | Kankakee RPP | Relative Gap |
|---|---|---|---|
| 2008 | 99.0 | 99.5 | 0.5 points Kankakee higher |
| 2012 | 97.0 | 99.2 | 2.2 points Kankakee higher |
| 2016 | 98.2 | 97.6 | 0.5 points Harrisburg-Carlisle higher |
| 2020 | 96.1 | 90.6 | 5.6 points Harrisburg-Carlisle higher |
| 2024 | 98.7 | 96.4 | 2.3 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 -2.3 RPP
Diff -7.0 RPP
Diff -18.7 RPP
Diff -3.4 RPP
| Category | Harrisburg-Carlisle | Kankakee | Difference |
|---|---|---|---|
| Overall | 98.7 | 96.4 | -2.3 |
| Goods | 100.7 | 93.6 | -7.0 |
| Services | 108.1 | 89.4 | -18.7 |
| Rents | 96.3 | 92.9 | -3.4 |
Vertical line = national average (100)
What a salary in Harrisburg-Carlisle would need to be in Kankakee for the same purchasing power:
| In Harrisburg-Carlisle | In Kankakee | Difference |
|---|---|---|
| $50,000 | $48,857 | $-1,143 |
| $75,000 | $73,285 | $-1,715 |
| $100,000 | $97,713 | $-2,287 |
| $150,000 | $146,570 | $-3,430 |
Same BEA Regional Price Parity ratio as the table above (98.7 → 96.4), computed live from your number, nothing is sent anywhere.
Kankakee is 2.3% less expensive than Harrisburg-Carlisle. The overall cost index is 96.4 vs 98.7 (national average = 100).
A $100,000 salary in Harrisburg-Carlisle has the same purchasing power as $97,713 in Kankakee. This is based on the BEA Regional Price Parity indexes.
Rents in Harrisburg-Carlisle are indexed at 96.3 while Kankakee is at 92.9 (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.