Overall
- Rapid City
- 89.2
Diff +9.1 RPP
Rapid City vs Prescott Valley-Prescott
Cost of living comparison based on BEA Regional Price Parities. Prescott Valley-Prescott is 10.2% more expensive than Rapid City.
10.2% more expensive
Prescott Valley-Prescott, AZ is 10.2% more expensive than Rapid City, SD on BEA Regional Price Parities (overall RPP 98.3 vs 89.2). A $100,000 salary in Rapid City buys about the same as $110,201 in Prescott Valley-Prescott; the largest component gap is rents.
- Overall RPP 89.2 (Rapid City) vs 98.3 (Prescott Valley-Prescott)
- $100k in Rapid City ≈ $110,201 purchasing power in Prescott Valley-Prescott
- Rents drives the gap (+26.2 RPP points)
RPP parity plate
Pair SD:AZ 89.2→98.3
TIER-GAP · CROSS-STATE · RENT-LED · BOTH-BELOW · PP-SHIFT
- TIER-GAP Clear tier gap
- CROSS-STATE SD × AZ
- RENT-LED Rent-led gap
- BOTH-BELOW Both below 100
- 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.
Salary Equivalents
What a salary in Rapid City would need to be in Prescott Valley-Prescott for the same purchasing power:
| In Rapid City | In Prescott Valley-Prescott | Difference |
|---|---|---|
| $50,000 | $55,100 | +$5,100 |
| $75,000 | $82,651 | +$7,651 |
| $100,000 | $110,201 | +$10,201 |
| $150,000 | $165,301 | +$15,301 |
$ in Rapid City = in Prescott Valley-Prescott
Same BEA Regional Price Parity ratio as the table above (89.2 → 98.3), computed live from your number, nothing is sent anywhere.
What This Comparison Actually Tells You
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.
Rapid City, SD and Prescott Valley-Prescott, AZ sit in clearly different price tiers, separated by 9.1 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
Rents leads the difference, with Prescott Valley-Prescott 26.2 points higher than Rapid City. 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 Rapid City corresponds to $110,201 in Prescott Valley-Prescott.
Category Breakdown
Goods
- Rapid City
- 95.5
Diff +0.8 RPP
Services
- Rapid City
- 79.1
Diff +12.4 RPP
Rents
- Rapid City
- 72.6
Diff +26.2 RPP
| Category | Rapid City | Prescott Valley-Prescott | Difference |
|---|---|---|---|
| Overall | 89.2 | 98.3 | +9.1 |
| Goods | 95.5 | 96.2 | +0.8 |
| Services | 79.1 | 91.5 | +12.4 |
| Rents | 72.6 | 98.8 | +26.2 |
Visual Comparison
Overall
Rapid City 89.2
Prescott Valley-Prescott 98.3
Goods
Rapid City 95.5
Prescott Valley-Prescott 96.2
Services
Rapid City 79.1
Prescott Valley-Prescott 91.5
Rents
Rapid City 72.6
Prescott Valley-Prescott 98.8
Vertical line = national average (100)
Rapid City
89.2
Cost Index
Prescott Valley-Prescott
98.3
Cost Index
Frequently Asked Questions
Is Prescott Valley-Prescott more expensive than Rapid City?
Prescott Valley-Prescott is 10.2% more expensive than Rapid City. The overall cost index is 98.3 vs 89.2 (national average = 100).
What salary in Prescott Valley-Prescott equals $100K in Rapid City?
A $100,000 salary in Rapid City has the same purchasing power as $110,201 in Prescott Valley-Prescott. This is based on the BEA Regional Price Parity indexes.
How do rents compare between Rapid City and Prescott Valley-Prescott?
Rents in Rapid City are indexed at 72.6 while Prescott Valley-Prescott is at 98.8 (national average = 100). Prescott Valley-Prescott 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.