Overall
- Olympia-Lacey-Tumwater
- 103.7
- Great Falls
- 96.8
Diff -6.8 RPP
Cost of living comparison based on BEA Regional Price Parities. Great Falls is 6.6% less expensive than Olympia-Lacey-Tumwater.
Great Falls, MT is 6.6% less expensive than Olympia-Lacey-Tumwater, WA on BEA Regional Price Parities (overall RPP 96.8 vs 103.7). A $100,000 salary in Olympia-Lacey-Tumwater buys about the same as $93,417 in Great Falls; the largest component gap is rents.
RPP parity plate
Pair WA:MT 103.7→96.8
TIER-NEAR · CROSS-STATE · RENT-LED · BENCH-CROSS · 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 a salary in Olympia-Lacey-Tumwater would need to be in Great Falls for the same purchasing power:
| In Olympia-Lacey-Tumwater | In Great Falls | Difference |
|---|---|---|
| $50,000 | $46,708 | $-3,292 |
| $75,000 | $70,062 | $-4,938 |
| $100,000 | $93,417 | $-6,583 |
| $150,000 | $140,125 | $-9,875 |
Same BEA Regional Price Parity ratio as the table above (103.7 → 96.8), computed live from your number, nothing is sent anywhere.
Great Falls, MT is 6.6% less expensive than Olympia-Lacey-Tumwater, WA, a meaningful but not extreme shift. The move decision turns on which budget category creates the 6.8-point overall gap.
This route crosses the national benchmark: Olympia-Lacey-Tumwater is above 100 while Great Falls is below it. That makes the move a change of price regime, not merely a rank swap.
Rents leads the difference, with Great Falls 19.6 points lower than Olympia-Lacey-Tumwater. 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 housing-sensitive move, validate the rent gap first: HUD Fair Market Rent and the actual unit size can overturn what the blended index implies. On the BEA ratio alone, $100,000 in Olympia-Lacey-Tumwater corresponds to $93,417 in Great Falls.
Diff -6.8 RPP
Diff -9.0 RPP
Diff -18.7 RPP
Diff -19.6 RPP
| Category | Olympia-Lacey-Tumwater | Great Falls | Difference |
|---|---|---|---|
| Overall | 103.7 | 96.8 | -6.8 |
| Goods | 105.0 | 96.0 | -9.0 |
| Services | 91.7 | 73.0 | -18.7 |
| Rents | 116.7 | 97.1 | -19.6 |
Vertical line = national average (100)
Olympia-Lacey-Tumwater and Great Falls share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 20.1 to 6.8 RPP points. Olympia-Lacey-Tumwater remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 52.5 points between the first and latest shared releases (72.0 to 19.6 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Olympia-Lacey-Tumwater RPP | Great Falls RPP | Relative Gap |
|---|---|---|---|
| 2008 | 105.4 | 85.3 | 20.1 points Olympia-Lacey-Tumwater higher |
| 2012 | 101.3 | 92.3 | 9.0 points Olympia-Lacey-Tumwater higher |
| 2016 | 106.0 | 88.0 | 18.0 points Olympia-Lacey-Tumwater higher |
| 2020 | 101.9 | 87.0 | 14.9 points Olympia-Lacey-Tumwater higher |
| 2024 | 103.7 | 96.8 | 6.8 points Olympia-Lacey-Tumwater 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.
Great Falls is 6.6% less expensive than Olympia-Lacey-Tumwater. The overall cost index is 96.8 vs 103.7 (national average = 100).
A $100,000 salary in Olympia-Lacey-Tumwater has the same purchasing power as $93,417 in Great Falls. This is based on the BEA Regional Price Parity indexes.
Rents in Olympia-Lacey-Tumwater are indexed at 116.7 while Great Falls is at 97.1 (national average = 100). Olympia-Lacey-Tumwater 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.