Wondering how far your dollar stretches in San Diego compared to St. Louis? Below we break down housing costs, rent, taxes, income, and quality of life using 2026 data so you can make an informed relocation or remote-work decision. Every number is computed from Census, BLS, and Zillow data specific to these two metro areas.
| San Diego | Metric | St. Louis | Difference |
|---|---|---|---|
| 163 | Cost of Living Index | 86 | -47.2% |
| $875,000 | Median Home Price | $205,000 | -76.6% |
| $2,195 | Median Monthly Rent | $900 | -59.0% |
| $91,000 | Median Household Income | $61,400 | -32.5% |
| 0.7% | Property Tax Rate | 1.0% | +38.9% |
| 3.8% | Unemployment Rate | 4.3% | +13.2% |
| 27 min | Average Commute | 24 min | -11.1% |
| 36.1 | Median Age | 36.6 | +1.4% |
| 3,340,000 | Metro Population | 2,820,000 | -15.6% |
Data sourced from Census Bureau, BLS, Zillow, and ApartmentAdvisor (2024-2025). COL Index: 100 = national average.
Monthly mortgage assumes 6.5% interest, 30-year fixed, 20.0%down payment. PITI includes principal, interest, property tax, and homeowner's insurance.
Buying a home in San Diego costs $5,205/month (PITI) compared to $1,267/month in St. Louis — a difference of $3,938/month or $47,256/year. The price-to-income ratio is 9.6x in San Diego versus 3.3x in St. Louis, suggesting St. Louis is relatively more affordable for homebuyers relative to local incomes. At a 15% savings rate, it takes 12.8 years to save a down payment in San Diego compared to 4.5 years in St. Louis.
Estimated on each city's median household income, single filer, standard deduction, 2025 rates.
| Tax Category | San Diego | St. Louis |
|---|---|---|
| Gross Income | $91,000 | $61,400 |
| State Income Tax | $4,490 | $2,005 |
| Federal Income Tax | $11,469 | $5,239 |
| FICA (SS + Medicare) | $6,962 | $4,697 |
| Property Tax (on median home) | $6,300/yr | $2,050/yr |
| State Sales Tax Rate | 7.2% | 4.2% |
| Total Tax Burden | $22,921 (25.2%) | $11,941 (19.4%) |
| Take-Home Pay | $68,079 | $49,459 |
On median household income, total taxes (federal + state + FICA) come to $22,921 in San Diego (25.2% effective) versus $11,941 in St. Louis (19.4% effective). After taxes, take-home pay is $68,079 in San Diego and $49,459 in St. Louis. Property taxes add $6,300/year on the median San Diego home versus $2,050/year in St. Louis.
These figures adjust for cost of living using the formula: adjusted = salary × (COL_destination / COL_origin). If you earn $91,000 in San Diego (COL 163) and relocate to St. Louis (COL 86), you would need $48,012 to maintain the same purchasing power. This means you can take a pay cut of $42,988 and still maintain your lifestyle in St. Louis.
Beyond costs, quality of life matters. The average commute in San Diego is 27 minutes versus 24 minutes in St. Louis, a difference of 3 minutes each way. San Diego's lower unemployment rate of 3.8% versus 4.3% suggests a stronger job market. St. Louis skews slightly older with a median age of 36.6 vs 36.1 in San Diego.
San Diego is 47.2% more expensive than St. Louis overall. San Diego has a cost of living index of 163 compared to 86 for St. Louis (national average = 100). The biggest difference is housing: the median home costs $875,000 in San Diego vs $205,000 in St. Louis.
The median home price in San Diego is $875,000, which is $670,000 more than St. Louis's median of $205,000. Monthly rent follows a similar pattern: $2,195/month in San Diego vs $900/month in St. Louis, a difference of $1,295/month or $15,540/year.
To maintain the same standard of living, a $91,000 salary in San Diego is equivalent to $48,012 in St. Louis. This is based on the cost of living index ratio: San Diego's COL index of 163 vs St. Louis's 86. Conversely, $61,400 in St. Louis equals $116,374 in San Diego.
On a median household income, the combined federal, state, and FICA tax burden is $22,921 (25.2% effective rate) in San Diego vs $11,941 (19.4% effective rate) in St. Louis. Property taxes on the median home are $6,300/year in San Diego (0.7% rate) vs $2,050/year in St. Louis (1.0% rate). Sales tax rates are 7.2% in California and 4.2% in Missouri.
San Diego median household income: $91,000/yr. St. Louis median household income: $61,400/yr (Census ACS).
Median monthly rent: $2,195 in San Diego vs $900 in St. Louis. Annualized that is $26,340 vs $10,800.
St. Louis offers a lower cost of living (index 86 vs 163), which lets remote-workers keeping a coastal salary stretch further. San Diego typically wins on amenities and labor-market depth.
San Diego and St. Louis numbers are pulled from Zillow ZHVI/ZORI (home values, rent), the U.S. Census Bureau ACS (income, demographics), and BEA RPP (cost-of-living index). Each value is timestamped on the page.
Source feeds (Zillow, Freddie Mac PMMS, Census ACS, BEA RPP) are refreshed on their native cadence. Page caches revalidate every 24 hours via Next.js ISR.
No. The San Diego vs St. Louis cost-of-living page is educational reference using public data and standard formulas. It is not personalized tax, legal, or investment advice. Consult a licensed professional for material decisions.
Home prices use Zillow Home Value Index (ZHVI)[1]; rents use Zillow Observed Rent Index (ZORI)[1]. Median household income comes from the Census ACS 5-year estimates[2].
COL indices use the BEA Regional Price Parity methodology[3], normalized so 100 = national average.
Property tax rates are effective rates from the Tax Foundation[4], expressed as % of owner-occupied home value. Mortgage estimates assume 6.5% fixed rate[5], 30-year term, 20.0% down, $1,800/yr homeowners insurance.
Federal tax calculations[6] assume single filer, standard deduction. State tax uses the top marginal rate times taxable income after the state standard deduction. FICA = 6.2% Social Security (up to wage base) + 1.45% Medicare.
Salary equivalence uses adjusted = salary × (COL_destination / COL_origin). This captures cost-of-living shift but not state income tax differences.
Unemployment figures are the most recent monthly MSA-level readings from the BLS LAUS series[7].
Last reviewed is computed from the maximum retrievedAt across every source this page consumes.
City data from Census Bureau[2], BLS[7], and Zillow[1] (2024-2025). Tax calculations use 2025 IRS rates[6], single filer, standard deduction. Mortgage estimates assume 6.5% PMMS rate[5], 30-year term, 20.0% down. COL Index: 100 = national average[3]. Last reviewed .