ReloMath

Chicago, IL vs San Diego, CA: Cost of Living

Compare the cost of living between Chicago, IL and San Diego, CA. See the equivalent salary and median rent powered by BLS Regional Price Parities.

Source-verified · June 2026BEA Regional Price Parities by MSA, 2022 (Table 4); HUD FY2024 Fair Market Rents (2-BR) Official source ↗
Source-verified · June 2026BEA Regional Price Parities by MSA, 2022 (Table 4); HUD FY2024 Fair Market Rents (2-BR) Official source ↗

Chicago, IL

IL

Overall RPP (US=100)
105.7
Housing RPP
110.9
Goods RPP
106.7
2-BR median rent
$1,714/mo

Illinois flat income tax 4.95%. Chicago city tax adds ~2.25% effective burden.

San Diego, CA

CA

Overall RPP (US=100)
114.5
Housing RPP
183.9
Goods RPP
108.2
2-BR median rent
$2,833/mo

California income tax 1%-13.3%. No city income tax.

Equivalent salary

San Diego, CA is more expensive than Chicago, IL by about 8.3% (RPP 105.7 to 114.5).

$60,000 in Chicago, IL

-> $64,995

in San Diego, CA

$100,000 in Chicago, IL

-> $108,325

in San Diego, CA

$150,000 in Chicago, IL

-> $162,488

in San Diego, CA

This tool provides estimates only. Equivalent-salary figures are derived from BLS Regional Price Parities (RPP) and HUD Fair Market Rents — they are averages, not guarantees. Actual cost of living varies by neighborhood, lifestyle, and individual circumstances. Not financial advice.

Frequently asked questions

Is San Diego, CA cheaper or more expensive than Chicago, IL?
San Diego, CA (RPP 114.5) is more expensive than Chicago, IL (RPP 105.7) by about 8.3%.
What salary do I need in San Diego, CA if I earn $100,000 in Chicago, IL?
You would need approximately $108,325 in San Diego, CA to maintain the same purchasing power as $100,000 in Chicago, IL. Formula: $100,000 x (114.5 / 105.7).