Overall
- Waterloo-Cedar Falls
- 87.1
- St. Joseph
- 86.4
Diff -0.7 RPP
Cost of living comparison based on BEA Regional Price Parities. St. Joseph is 0.8% less expensive than Waterloo-Cedar Falls.
St. Joseph, MO-KS is 0.8% less expensive than Waterloo-Cedar Falls, IA on BEA Regional Price Parities (overall RPP 86.4 vs 87.1). A $100,000 salary in Waterloo-Cedar Falls buys about the same as $99,225 in St. Joseph; the largest component gap is rents.
RPP parity plate
Pair IA:MO 87.1→86.4
PHOTO-FINISH · CROSS-STATE · SPLIT-BUDGET · 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.
Waterloo-Cedar Falls, IA and St. Joseph, MO-KS are a photo finish on overall price level, only 0.7 RPP points apart. A salary conversion is therefore a fine adjustment, not evidence of a fundamentally different cost regime.
Rents creates the largest separation: St. Joseph is 7.8 points lower. But services 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 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 Waterloo-Cedar Falls corresponds to $99,225 in St. Joseph.
Diff -0.7 RPP
Diff +0.5 RPP
Diff +4.6 RPP
Diff -7.8 RPP
| Category | Waterloo-Cedar Falls | St. Joseph | Difference |
|---|---|---|---|
| Overall | 87.1 | 86.4 | -0.7 |
| Goods | 93.7 | 94.2 | +0.5 |
| Services | 83.7 | 88.3 | +4.6 |
| Rents | 63.1 | 55.4 | -7.8 |
Vertical line = national average (100)
Waterloo-Cedar Falls and St. Joseph share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 2.2 to 0.7 RPP points. Waterloo-Cedar Falls remained the higher-index metro in the latest release.
Rents changed the most within this pair: its gap moved 12.6 points between the first and latest shared releases (4.8 to 7.8 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | Waterloo-Cedar Falls RPP | St. Joseph RPP | Relative Gap |
|---|---|---|---|
| 2008 | 90.4 | 92.6 | 2.2 points St. Joseph higher |
| 2012 | 91.0 | 91.0 | 0.0 points Waterloo-Cedar Falls higher |
| 2016 | 90.5 | 88.7 | 1.8 points Waterloo-Cedar Falls higher |
| 2020 | 91.0 | 87.8 | 3.2 points Waterloo-Cedar Falls higher |
| 2024 | 87.1 | 86.4 | 0.7 points Waterloo-Cedar Falls 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.
What a salary in Waterloo-Cedar Falls would need to be in St. Joseph for the same purchasing power:
| In Waterloo-Cedar Falls | In St. Joseph | Difference |
|---|---|---|
| $50,000 | $49,612 | $-388 |
| $75,000 | $74,418 | $-582 |
| $100,000 | $99,225 | $-775 |
| $150,000 | $148,837 | $-1,163 |
Same BEA Regional Price Parity ratio as the table above (87.1 → 86.4), computed live from your number, nothing is sent anywhere.
St. Joseph is 0.8% less expensive than Waterloo-Cedar Falls. The overall cost index is 86.4 vs 87.1 (national average = 100).
A $100,000 salary in Waterloo-Cedar Falls has the same purchasing power as $99,225 in St. Joseph. This is based on the BEA Regional Price Parity indexes.
Rents in Waterloo-Cedar Falls are indexed at 63.1 while St. Joseph is at 55.4 (national average = 100). Waterloo-Cedar Falls 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.