Overall
Diff -0.3 RPP
Casper vs Billings
Cost of living comparison based on BEA Regional Price Parities. Billings is 0.3% less expensive than Casper.
0.3% less expensive
Billings, MT is 0.3% less expensive than Casper, WY on BEA Regional Price Parities (overall RPP 93.5 vs 93.8). A $100,000 salary in Casper buys about the same as $99,677 in Billings; the largest component gap is services.
- Overall RPP 93.8 (Casper) vs 93.5 (Billings)
- $100k in Casper ≈ $99,677 purchasing power in Billings
- Services drives the gap (-6.4 RPP points)
RPP parity plate
Pair WY:MT 93.8→93.5
PHOTO-FINISH · CROSS-STATE · SPLIT-BUDGET · BOTH-BELOW · PP-PAR
- PHOTO-FINISH Photo finish
- CROSS-STATE WY × MT
- 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.
Casper
93.8
Cost Index
Billings
93.5
Cost Index
What This Comparison Actually Tells You
Casper, WY and Billings, MT are a photo finish on overall price level, only 0.3 RPP points apart. A salary conversion is therefore a fine adjustment, not evidence of a fundamentally different cost regime.
Services creates the largest separation: Billings is 6.4 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 Casper to $99,677 in Billings, but it is not a personal spending weight.
Category Breakdown
Goods
Diff +0.6 RPP
Services
Diff -6.4 RPP
Rents
Diff +3.2 RPP
| Category | Casper | Billings | Difference |
|---|---|---|---|
| Overall | 93.8 | 93.5 | -0.3 |
| Goods | 95.4 | 96.0 | +0.6 |
| Services | 78.9 | 72.4 | -6.4 |
| Rents | 74.2 | 77.4 | +3.2 |
Visual Comparison
Overall
Casper 93.8
Billings 93.5
Goods
Casper 95.4
Billings 96.0
Services
Casper 78.9
Billings 72.4
Rents
Casper 74.2
Billings 77.4
Vertical line = national average (100)
Salary Equivalents
What a salary in Casper would need to be in Billings for the same purchasing power:
| In Casper | In Billings | Difference |
|---|---|---|
| $50,000 | $49,839 | $-161 |
| $75,000 | $74,758 | $-242 |
| $100,000 | $99,677 | $-323 |
| $150,000 | $149,516 | $-484 |
$ in Casper = in Billings
Same BEA Regional Price Parity ratio as the table above (93.8 → 93.5), computed live from your number, nothing is sent anywhere.
Frequently Asked Questions
Is Billings more expensive than Casper?
Billings is 0.3% less expensive than Casper. The overall cost index is 93.5 vs 93.8 (national average = 100).
What salary in Billings equals $100K in Casper?
A $100,000 salary in Casper has the same purchasing power as $99,677 in Billings. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Casper and Billings?
Rents in Casper are indexed at 74.2 while Billings is at 77.4 (national average = 100). Billings 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.