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Rockford vs Twin Falls

Cost of living comparison based on BEA Regional Price Parities. Twin Falls is 0% less expensive than Rockford.

0% less expensive

Twin Falls, ID * is 0% less expensive than Rockford, IL on BEA Regional Price Parities (overall RPP 92.1 vs 92.2). A $100,000 salary in Rockford buys about the same as $99,950 in Twin Falls; the largest component gap is services.

  • Overall RPP 92.2 (Rockford) vs 92.1 (Twin Falls)
  • $100k in Rockford ≈ $99,950 purchasing power in Twin Falls
  • Services drives the gap (-19.3 RPP points)

RPP parity plate

Pair IL:ID 92.2→92.1

PHOTO-FINISH · CROSS-STATE · SPLIT-BUDGET · BOTH-BELOW · PP-PAR

  • PHOTO-FINISH Photo finish
  • CROSS-STATE IL × ID
  • SPLIT-BUDGET Split budget
  • 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.

Rockford
92.2
Cost Index
Twin Falls
92.1
Cost Index

What This Comparison Actually Tells You

Rockford, IL and Twin Falls, ID * are a photo finish on overall price level, only 0.0 RPP points apart. A salary conversion is therefore a fine adjustment, not evidence of a fundamentally different cost regime.

Services creates the largest separation: Twin Falls is 19.3 points lower. But rents and goods move against the overall direction, so this is a split budget rather than a clean across-the-board winner.

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 Rockford to $99,950 in Twin Falls, but it is not a personal spending weight.

Category Breakdown

Visual Comparison

Overall
Rockford
92.2
Twin Falls
92.1
Goods
Rockford
93.6
Twin Falls
96.2
Services
Rockford
89.4
Twin Falls
70.0
Rents
Rockford
70.1
Twin Falls
73.8

Vertical line = national average (100)

Salary Equivalents

What a salary in Rockford would need to be in Twin Falls for the same purchasing power:

In Rockford In Twin Falls Difference
$50,000 $49,975 $-25
$75,000 $74,963 $-37
$100,000 $99,950 $-50
$150,000 $149,925 $-75
$ in Rockford = – in Twin Falls

Same BEA Regional Price Parity ratio as the table above (92.2 → 92.1), computed live from your number, nothing is sent anywhere.

Reverse: Twin Falls → Rockford Rockford Details Twin Falls Details

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Frequently Asked Questions

Is Twin Falls more expensive than Rockford?

Twin Falls is 0% less expensive than Rockford. The overall cost index is 92.1 vs 92.2 (national average = 100).

What salary in Twin Falls equals $100K in Rockford?

A $100,000 salary in Rockford has the same purchasing power as $99,950 in Twin Falls. This is based on the BEA Regional Price Parity indexes.

How do rents compare between Rockford and Twin Falls?

Rents in Rockford are indexed at 70.1 while Twin Falls is at 73.8 (national average = 100). Twin Falls has higher rents.

Data sources

Data sourced from official public datasets, Regional Price Parities (2024), index where national average = 100. Retrieved and formatted by PlainCost. See our methodology for details.

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.