Overall
Diff -22.2 RPP
San Francisco-Oakland-Fremont vs Lafayette-West Lafayette
Cost of living comparison based on BEA Regional Price Parities. Lafayette-West Lafayette is 19.2% less expensive than San Francisco-Oakland-Fremont.
19.2% less expensive
Lafayette-West Lafayette, IN is 19.2% less expensive than San Francisco-Oakland-Fremont, CA on BEA Regional Price Parities (overall RPP 93.4 vs 115.6). A $100,000 salary in San Francisco-Oakland-Fremont buys about the same as $80,813 in Lafayette-West Lafayette; the largest component gap is rents.
- Overall RPP 115.6 (San Francisco-Oakland-Fremont) vs 93.4 (Lafayette-West Lafayette)
- $100k in San Francisco-Oakland-Fremont ≈ $80,813 purchasing power in Lafayette-West Lafayette
- Rents drives the gap (-118.3 RPP points)
RPP parity plate
Pair CA:IN 115.6→93.4
TIER-GAP · CROSS-STATE · RENT-LED · BENCH-CROSS · PP-STEEP
- TIER-GAP Clear tier gap
- CROSS-STATE CA × IN
- RENT-LED Rent-led gap
- BENCH-CROSS Benchmark cross
- PP-STEEP Steep PP convert
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 San Francisco-Oakland-Fremont would need to be in Lafayette-West Lafayette for the same purchasing power:
| In San Francisco-Oakland-Fremont | In Lafayette-West Lafayette | Difference |
|---|---|---|
| $50,000 | $40,406 | $-9,594 |
| $75,000 | $60,610 | $-14,390 |
| $100,000 | $80,813 | $-19,187 |
| $150,000 | $121,219 | $-28,781 |
$ in San Francisco-Oakland-Fremont = in Lafayette-West Lafayette
Same BEA Regional Price Parity ratio as the table above (115.6 → 93.4), computed live from your number, nothing is sent anywhere.
What This Comparison Actually Tells You
San Francisco-Oakland-Fremont, CA and Lafayette-West Lafayette, IN sit in clearly different price tiers, separated by 22.2 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
This route crosses the national benchmark: San Francisco-Oakland-Fremont is above 100 while Lafayette-West Lafayette is below it. That makes the move a change of price regime, not merely a rank swap.
Rents leads the difference, with Lafayette-West Lafayette 118.3 points lower than San Francisco-Oakland-Fremont. 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 San Francisco-Oakland-Fremont corresponds to $80,813 in Lafayette-West Lafayette.
Category Breakdown
Goods
Diff -14.1 RPP
Services
Diff -86.2 RPP
Rents
Diff -118.3 RPP
| Category | San Francisco-Oakland-Fremont | Lafayette-West Lafayette | Difference |
|---|---|---|---|
| Overall | 115.6 | 93.4 | -22.2 |
| Goods | 108.5 | 94.3 | -14.1 |
| Services | 172.6 | 86.4 | -86.2 |
| Rents | 194.7 | 76.4 | -118.3 |
Visual Comparison
Overall
San Francisco-Oakland-Fremont 115.6
Lafayette-West Lafayette 93.4
Goods
San Francisco-Oakland-Fremont 108.5
Lafayette-West Lafayette 94.3
Services
San Francisco-Oakland-Fremont 172.6
Lafayette-West Lafayette 86.4
Rents
San Francisco-Oakland-Fremont 194.7
Lafayette-West Lafayette 76.4
Vertical line = national average (100)
San Francisco-Oakland-Fremont
115.6
Cost Index
Lafayette-West Lafayette
93.4
Cost Index
How the Price Gap Changed
San Francisco-Oakland-Fremont and Lafayette-West Lafayette share 17 published annual releases from 2008 through 2024. Their overall gap narrowed, moving from 27.4 to 22.2 RPP points. San Francisco-Oakland-Fremont remained the higher-index metro in the latest release.
Services changed the most within this pair: its gap moved 57.1 points between the first and latest shared releases (29.1 to 86.2 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | San Francisco-Oakland-Fremont RPP | Lafayette-West Lafayette RPP | Relative Gap |
|---|---|---|---|
| 2008 | 119.1 | 91.7 | 27.4 points San Francisco-Oakland-Fremont higher |
| 2012 | 112.5 | 93.7 | 18.8 points San Francisco-Oakland-Fremont higher |
| 2016 | 116.4 | 91.1 | 25.2 points San Francisco-Oakland-Fremont higher |
| 2020 | 119.6 | 90.9 | 28.7 points San Francisco-Oakland-Fremont higher |
| 2024 | 115.6 | 93.4 | 22.2 points San Francisco-Oakland-Fremont 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.
Frequently Asked Questions
Is Lafayette-West Lafayette more expensive than San Francisco-Oakland-Fremont?
Lafayette-West Lafayette is 19.2% less expensive than San Francisco-Oakland-Fremont. The overall cost index is 93.4 vs 115.6 (national average = 100).
What salary in Lafayette-West Lafayette equals $100K in San Francisco-Oakland-Fremont?
A $100,000 salary in San Francisco-Oakland-Fremont has the same purchasing power as $80,813 in Lafayette-West Lafayette. This is based on the BEA Regional Price Parity indexes.
How do rents compare between San Francisco-Oakland-Fremont and Lafayette-West Lafayette?
Rents in San Francisco-Oakland-Fremont are indexed at 194.7 while Lafayette-West Lafayette is at 76.4 (national average = 100). San Francisco-Oakland-Fremont 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.