Chicago vs San Diego

Category-by-Category Breakdown

Index values shown. National average = 100. Lower is cheaper.

💰 Salary Equivalence

To maintain the same standard of living:

See exact take-home pay: Illinois salaries · California salaries

Living in Chicago vs San Diego

Housing is typically the biggest factor in any cost-of-living comparison. Chicago has a housing index of 112 while San Diego sits at 248 (national average = 100). The median home in Chicago costs $310,000 compared to $800,000 in San Diego, a difference of $490,000. Monthly rent follows a similar pattern: $1,700 in Chicago versus $2,500 in San Diego.

Groceries and everyday expenses show a narrower gap: Chicago scores 104 while San Diego scores 107.

Healthcare costs in Chicago (101) are lower than San Diego (107). Both are close to the national average.

Median household income in Chicago is $62,097 compared to $79,646 in San Diego. When adjusted for cost of living, income goes further in Chicago.

Relocating: Chicago vs San Diego

If you are considering a move between Chicago (index: 107) and San Diego (index: 160), the 33% cost difference has real implications for your budget. Chicago is the more affordable option, but the right choice depends on your income, career opportunities, and lifestyle priorities.

Housing budget reality: Using the 28% rule (spending no more than 28% of gross income on housing), the median household in Chicago can afford $1,449/month, while the median household in San Diego can afford $1,858/month. With median homes at $310,000 in Chicago versus $800,000 in San Diego, the higher-cost city presents significant affordability challenges.

Renting vs buying: At $1,700/month in Chicago and $2,500/month in San Diego, renters save significantly in Chicago. The rent-to-own ratio in each city determines whether renting or buying offers better value for your situation.

Income adjustment: A $75,000 salary goes significantly further in Chicago. Before accepting a job in either city, use the salary equivalence data above to understand what you would need to earn to maintain your current standard of living.

Reading These Numbers: Chicago (107) vs San Diego (160)

The cost of living index uses 100 as the national average. Chicago at 107 is 7% above the US average, while San Diego at 160 is 60% above average. There is a meaningful cost gap between these two cities that affects day-to-day budgeting.

The 53-point spread between San Diego (160) and Chicago (107) is large enough to reshape a household budget entirely, especially for single-income families. The biggest category divergence is housing, where Chicago scores 112 and San Diego scores 248. That 136-point gap is the primary driver of the overall cost difference between these two metros. Housing, the largest line item for most households, favors Chicago with indices of 112 versus 248. Median home prices of $310,000 in Chicago and $800,000 in San Diego underscore this gap. Neither city is cheaper across the board: Chicago has an edge in housing and groceries, while San Diego is more affordable for transportation. Your actual savings depend on which categories consume the biggest share of your personal budget.

For renters: With median rents of $1,700/month in Chicago and $2,500/month in San Diego, the annual rent difference is approximately $9,600. Over a 5-year period, that compounds to $48,000 in savings by choosing the more affordable city.

For homebuyers: The $490,000 difference in median home prices between Chicago and San Diego translates to roughly $29,400 per month in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.

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