Overall
- Iowa City
- 91.5
Diff -20.4 RPP
San Diego-Chula Vista-Carlsbad vs Iowa City
Cost of living comparison based on BEA Regional Price Parities. Iowa City is 18.2% less expensive than San Diego-Chula Vista-Carlsbad.
18.2% less expensive
Iowa City, IA is 18.2% less expensive than San Diego-Chula Vista-Carlsbad, CA on BEA Regional Price Parities (overall RPP 91.5 vs 111.9). A $100,000 salary in San Diego-Chula Vista-Carlsbad buys about the same as $81,787 in Iowa City; the largest component gap is rents.
- Overall RPP 111.9 (San Diego-Chula Vista-Carlsbad) vs 91.5 (Iowa City)
- $100k in San Diego-Chula Vista-Carlsbad ≈ $81,787 purchasing power in Iowa City
- Rents drives the gap (-95.3 RPP points)
RPP parity plate
Pair CA:IA 111.9→91.5
TIER-GAP · CROSS-STATE · RENT-LED · BENCH-CROSS · PP-STEEP
- TIER-GAP Clear tier gap
- CROSS-STATE CA × IA
- 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 Diego-Chula Vista-Carlsbad would need to be in Iowa City for the same purchasing power:
| In San Diego-Chula Vista-Carlsbad | In Iowa City | Difference |
|---|---|---|
| $50,000 | $40,893 | $-9,107 |
| $75,000 | $61,340 | $-13,660 |
| $100,000 | $81,787 | $-18,213 |
| $150,000 | $122,680 | $-27,320 |
$ in San Diego-Chula Vista-Carlsbad = in Iowa City
Same BEA Regional Price Parity ratio as the table above (111.9 → 91.5), computed live from your number, nothing is sent anywhere.
What This Comparison Actually Tells You
San Diego-Chula Vista-Carlsbad, CA and Iowa City, IA sit in clearly different price tiers, separated by 20.4 RPP points. At this distance, treating the same nominal salary as equivalent would materially change purchasing power.
This route crosses the national benchmark: San Diego-Chula Vista-Carlsbad is above 100 while Iowa City is below it. That makes the move a change of price regime, not merely a rank swap.
Rents leads the difference, with Iowa City 95.3 points lower than San Diego-Chula Vista-Carlsbad. 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 Diego-Chula Vista-Carlsbad corresponds to $81,787 in Iowa City.
Category Breakdown
Goods
- Iowa City
- 93.7
Diff -14.2 RPP
Services
- Iowa City
- 83.7
Diff -90.6 RPP
Rents
- Iowa City
- 84.0
Diff -95.3 RPP
| Category | San Diego-Chula Vista-Carlsbad | Iowa City | Difference |
|---|---|---|---|
| Overall | 111.9 | 91.5 | -20.4 |
| Goods | 108.0 | 93.7 | -14.2 |
| Services | 174.2 | 83.7 | -90.6 |
| Rents | 179.3 | 84.0 | -95.3 |
Visual Comparison
Overall
San Diego-Chula Vista-Carlsbad 111.9
Iowa City 91.5
Goods
San Diego-Chula Vista-Carlsbad 108.0
Iowa City 93.7
Services
San Diego-Chula Vista-Carlsbad 174.2
Iowa City 83.7
Rents
San Diego-Chula Vista-Carlsbad 179.3
Iowa City 84.0
Vertical line = national average (100)
San Diego-Chula Vista-Carlsbad
111.9
Cost Index
Iowa City
91.5
Cost Index
How the Price Gap Changed
San Diego-Chula Vista-Carlsbad and Iowa City share 17 published annual releases from 2008 through 2024. Their overall gap widened, moving from 18.0 to 20.4 RPP points. San Diego-Chula Vista-Carlsbad remained the higher-index metro in the latest release.
Services changed the most within this pair: its gap moved 57.5 points between the first and latest shared releases (33.1 to 90.6 points). This describes a relative price-index history, not a forecast or a household budget.
| Release Year | San Diego-Chula Vista-Carlsbad RPP | Iowa City RPP | Relative Gap |
|---|---|---|---|
| 2008 | 113.7 | 95.7 | 18.0 points San Diego-Chula Vista-Carlsbad higher |
| 2012 | 112.9 | 96.5 | 16.4 points San Diego-Chula Vista-Carlsbad higher |
| 2016 | 113.6 | 95.4 | 18.2 points San Diego-Chula Vista-Carlsbad higher |
| 2020 | 115.1 | 95.6 | 19.6 points San Diego-Chula Vista-Carlsbad higher |
| 2024 | 111.9 | 91.5 | 20.4 points San Diego-Chula Vista-Carlsbad 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 Iowa City more expensive than San Diego-Chula Vista-Carlsbad?
Iowa City is 18.2% less expensive than San Diego-Chula Vista-Carlsbad. The overall cost index is 91.5 vs 111.9 (national average = 100).
What salary in Iowa City equals $100K in San Diego-Chula Vista-Carlsbad?
A $100,000 salary in San Diego-Chula Vista-Carlsbad has the same purchasing power as $81,787 in Iowa City. This is based on the BEA Regional Price Parity indexes.
How do rents compare between San Diego-Chula Vista-Carlsbad and Iowa City?
Rents in San Diego-Chula Vista-Carlsbad are indexed at 179.3 while Iowa City is at 84.0 (national average = 100). San Diego-Chula Vista-Carlsbad 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.