Overall
- Trenton-Princeton
- 103.2
- Great Falls
- 96.8
Diff -6.3 RPP
Trenton-Princeton vs Great Falls
Cost of living comparison based on BEA Regional Price Parities. Great Falls is 6.1% less expensive than Trenton-Princeton.
6.1% less expensive
Great Falls, MT is 6.1% less expensive than Trenton-Princeton, NJ on BEA Regional Price Parities (overall RPP 96.8 vs 103.2). A $100,000 salary in Trenton-Princeton buys about the same as $93,860 in Great Falls; the largest component gap is services.
- Overall RPP 103.2 (Trenton-Princeton) vs 96.8 (Great Falls)
- $100k in Trenton-Princeton ≈ $93,860 purchasing power in Great Falls
- Services drives the gap (-39.2 RPP points)
RPP parity plate
Pair NJ:MT 103.2→96.8
TIER-NEAR · CROSS-STATE · SERVICES-LED · BENCH-CROSS · PP-SHIFT
- TIER-NEAR Near tier
- CROSS-STATE NJ × MT
- SERVICES-LED Services-led gap
- BENCH-CROSS Benchmark cross
- PP-SHIFT 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 This Comparison Actually Tells You
Great Falls, MT is 6.1% less expensive than Trenton-Princeton, NJ, a meaningful but not extreme shift. The move decision turns on which budget category creates the 6.3-point overall gap.
This route crosses the national benchmark: Trenton-Princeton is above 100 while Great Falls is below it. That makes the move a change of price regime, not merely a rank swap.
Services leads the difference, with Great Falls 39.2 points lower than Trenton-Princeton. 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 Trenton-Princeton to $93,860 in Great Falls, but it is not a personal spending weight.
How the Price Gap Changed
Trenton-Princeton and Great Falls share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 19.3 to 6.3 RPP points. Trenton-Princeton remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 56.1 points between the first and latest shared releases (94.1 to 38.0 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Trenton-Princeton RPP | Great Falls RPP | Relative Gap |
|---|---|---|---|
| 2008 | 104.6 | 85.3 | 19.3 points Trenton-Princeton higher |
| 2012 | 108.4 | 92.3 | 16.1 points Trenton-Princeton higher |
| 2016 | 108.8 | 88.0 | 20.8 points Trenton-Princeton higher |
| 2020 | 104.2 | 87.0 | 17.2 points Trenton-Princeton higher |
| 2024 | 103.2 | 96.8 | 6.3 points Trenton-Princeton 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.
Category Breakdown
Goods
- Trenton-Princeton
- 99.8
- Great Falls
- 96.0
Diff -3.8 RPP
Services
- Trenton-Princeton
- 112.3
- Great Falls
- 73.0
Diff -39.2 RPP
Rents
- Trenton-Princeton
- 135.1
- Great Falls
- 97.1
Diff -38.0 RPP
| Category | Trenton-Princeton | Great Falls | Difference |
|---|---|---|---|
| Overall | 103.2 | 96.8 | -6.3 |
| Goods | 99.8 | 96.0 | -3.8 |
| Services | 112.3 | 73.0 | -39.2 |
| Rents | 135.1 | 97.1 | -38.0 |
Visual Comparison
Overall
Trenton-Princeton 103.2
Great Falls 96.8
Goods
Trenton-Princeton 99.8
Great Falls 96.0
Services
Trenton-Princeton 112.3
Great Falls 73.0
Rents
Trenton-Princeton 135.1
Great Falls 97.1
Vertical line = national average (100)
Salary Equivalents
What a salary in Trenton-Princeton would need to be in Great Falls for the same purchasing power:
| In Trenton-Princeton | In Great Falls | Difference |
|---|---|---|
| $50,000 | $46,930 | $-3,070 |
| $75,000 | $70,395 | $-4,605 |
| $100,000 | $93,860 | $-6,140 |
| $150,000 | $140,790 | $-9,210 |
$ in Trenton-Princeton = in Great Falls
Same BEA Regional Price Parity ratio as the table above (103.2 → 96.8), computed live from your number, nothing is sent anywhere.
Trenton-Princeton
103.2
Cost Index
Great Falls
96.8
Cost Index
Frequently Asked Questions
Is Great Falls more expensive than Trenton-Princeton?
Great Falls is 6.1% less expensive than Trenton-Princeton. The overall cost index is 96.8 vs 103.2 (national average = 100).
What salary in Great Falls equals $100K in Trenton-Princeton?
A $100,000 salary in Trenton-Princeton has the same purchasing power as $93,860 in Great Falls. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Trenton-Princeton and Great Falls?
Rents in Trenton-Princeton are indexed at 135.1 while Great Falls is at 97.1 (national average = 100). Trenton-Princeton 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.