St. Louis 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: Missouri salaries · California salaries

Living in St. Louis vs San Diego

Housing is typically the biggest factor in any cost-of-living comparison. St. Louis has a housing index of 72 while San Diego sits at 248 (national average = 100). The median home in St. Louis costs $175,000 compared to $800,000 in San Diego, a difference of $625,000. Monthly rent follows a similar pattern: $1,000 in St. Louis versus $2,500 in San Diego.

Groceries and everyday expenses show a notable difference: St. Louis scores 97 while San Diego scores 107.

Healthcare costs in St. Louis (95) are lower than San Diego (107). Both are close to the national average.

Median household income in St. Louis is $45,782 compared to $79,646 in San Diego. When adjusted for cost of living, income goes further in St. Louis.

Relocating: St. Louis vs San Diego

If you are considering a move between St. Louis (index: 90) and San Diego (index: 160), the 44% cost difference has real implications for your budget. St. Louis 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 St. Louis can afford $1,068/month, while the median household in San Diego can afford $1,858/month. With median homes at $175,000 in St. Louis versus $800,000 in San Diego, the higher-cost city presents significant affordability challenges.

Renting vs buying: At $1,000/month in St. Louis and $2,500/month in San Diego, renters save significantly in St. Louis. 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 further in St. Louis where costs are 10% below the national average. 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: St. Louis (90) vs San Diego (160)

The cost of living index uses 100 as the national average. St. Louis at 90 is 10% below 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 70-point spread between San Diego (160) and St. Louis (90) is large enough to reshape a household budget entirely, especially for single-income families. The biggest category divergence is housing, where St. Louis scores 72 and San Diego scores 248. That 176-point gap is the primary driver of the overall cost difference between these two metros. Housing, the largest line item for most households, favors St. Louis with indices of 72 versus 248. Median home prices of $175,000 in St. Louis and $800,000 in San Diego underscore this gap.

For renters: With median rents of $1,000/month in St. Louis and $2,500/month in San Diego, the annual rent difference is approximately $18,000. Over a 5-year period, that compounds to $90,000 in savings by choosing the more affordable city.

For homebuyers: The $625,000 difference in median home prices between St. Louis and San Diego translates to roughly $37,500 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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