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Cost of Living Comparison 2026

Compare Chicago, IL and San Diego, CA using saved regional data and explicit budgeting assumptions. Rent estimates are not live listings. Change the salary below, then check the source notes before applying a result to your household.

Data: HUD rent estimates, BLS cost of living

$
Numbers update automatically as you type

You'd spend $2.5K/month more in San Diego, CA

$150.0K in your current city equals $179.9K in San Diego, CA

Rent data from HUD ZIP-level estimates · COL index from Chicago-Naperville-Elgin, IL-IN-WI area
Overall Cost
↑ 33.2%
More expensive
Monthly Impact
$2,491
Extra cost
Annual Impact
$29.9K
Per year

Based on monthly living costs (rent, groceries, utilities, transport, healthcare). Home purchase prices shown separately below.

Chicago, IL

Population:2746K
Cost Index:
100
100 = national average
Median Home:$305K

San Diego, CA

Population:1387K
Cost Index:
133
(33% above avg)
Median Home:$980K

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Chicago, IL

The Prairie State

2.7M
Population
State Tax
Yes
Climate
Continental

Notable Facts

  • •Major transportation hub
  • •Architectural landmark city
  • •Great Lakes location

Major Industries

FinanceTechnologyManufacturingTransportation

San Diego, CA

The Golden State

1.4M
Population
State Tax
Yes
Climate
Semi-arid Mediterranean

Notable Facts

  • •Year-round perfect weather
  • •Major military presence
  • •Biotech hub

Major Industries

MilitaryTechnologyTourismBiotechnology

Cost Breakdown by Category

Annual spending: Chicago, IL vs San Diego, CA

Housing
↑ 70.3%
Chicago, IL
$3,066
San Diego, CA
$5,223
Difference
$2,157
more
Other
↑ 7.6%
Chicago, IL
$1,758
San Diego, CA
$1,892
Difference
$134
more
All Utilities
↑ 22.1%
Chicago, IL
$519
San Diego, CA
$634
Difference
$115
more
Transportation
↓ 6.5%
Chicago, IL
$1,680
San Diego, CA
$1,571
Difference
$109
less
Groceries
↑ 4.9%
Chicago, IL
$1,029
San Diego, CA
$1,079
Difference
$49.96
more
Healthcare
↑ 7.3%
Chicago, IL
$595
San Diego, CA
$638
Difference
$43.37
more

🏠Rent Comparison

Studio
From$1,600
To$2,565
↑ $965
1 Bed
From$1,710
To$2,755
↑ $1,045
2 Bed
From$1,925
To$3,360
↑ $1,435
3 Bed
From$2,480
To$4,475
↑ $1,995
Chicago, ILZIP-level data

1BR range: $1,140–$2,370/mo

San Diego, CAZIP-level data

1BR range: $1,980–$3,690/mo

💡 Note: Rent prices are based on HUD Fair Market Rent data and represent median costs. Actual prices vary by neighborhood, amenities, and condition. Source: HUD Small Area Fair Market Rents FY2026.

$8,648
Monthly in Chicago, IL
$11,037
Monthly in San Diego, CA
$2,390
Difference

Home Values

Chicago
San Diego
$305K
Median Value
$980K
↑ +1.8%
YoY Change
↓ -3%
↑ +10.2%
5-Year Change
↑ +37.4%
$116K - $611K
Price Range
$598K - $2.01M

Homes in San Diego are 221% more expensive than Chicago

Source: Zillow Home Value Index (ZHVI), January 2026

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings
↓ $3.2K
More taxes
Monthly Difference
$267
Less take-home
Effective Rate Diff
2.1%
Rate difference

Chicago, IL

Federal Income Tax
Effective: 18.9%
$25.5K
Illinois State Tax
Effective: 5.0%
$7.4K
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 29.6%
$44.4K
Take-Home Pay
$8,797/month
$105.6K

San Diego, CA

Federal Income Tax
Effective: 18.9%
$25.5K
California State Tax
Effective: 7.1%
$10.6K
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 31.8%
$47.6K
Take-Home Pay
$8,530/month
$102.4K

Additional Tax Information

Chicago, IL Tax Rates

Sales Tax:8.8%
Property Tax:2.2%

San Diego, CA Tax Rates

Sales Tax:10.5%
Property Tax:0.8%

💡 Note: Tax calculations are estimates based on 2024/2025 tax brackets for single filers with standard deduction. Actual taxes may vary based on filing status, deductions, credits, and local variations.

🚶 Walkability

Modeled road attributes, not a safety assessment. Methodology and limitations

Environment

Chicago
San Diego
54 Moderate
Air Quality
71 Moderate
35.8%
Good Air Days
12.8%
100 Very High
Climate Risk
100 Very High
🌊🌡🫨
Top Hazards
🔥🌊🌡
▲+3.2°F
2050 Outlook
▲+2.1°F
18 days
Heat Days >95°F
1 days
▲+3.2°F
2050 Outlook
▲+2.1°F
18 days
Heat Days >95°F
1 days

What to Consider When Moving from Chicago, IL to San Diego, CA

Relocating from Chicago, IL to San Diego, CA involves more than just comparing rent prices. While the overall cost of living is roughly 33% higher in San Diego, CA, your actual experience will depend on your lifestyle, job situation, and priorities. Here are the key factors to weigh before making the move.

Housing & Rent

Housing is typically the largest line item in any budget, and it’s where the biggest differences show up between cities. In this comparison, housing in San Diego, CA is 70% more expensive than in Chicago, IL. Keep in mind that neighborhood choice within a city can swing rent by 30–50%, so research specific areas — not just city averages — before signing a lease. If you’re buying, factor in property tax rates, which vary significantly by county and state.

Job Market & Salary Adjustments

A lower cost of living doesn’t help if your salary drops proportionally. Before committing to a move, research whether employers in San Diego, CA pay comparable wages for your role. Remote workers may keep their current salary, but some companies adjust pay based on location. Use the salary calculator above to see what you’d need to earn in San Diego, CA to match your current standard of living in Chicago, IL.

Taxes & Take-Home Pay

State income tax, property tax, and sales tax all affect how far your paycheck stretches. Some states have no income tax but make up for it with higher property or sales taxes. The tax comparison section above breaks down how your take-home pay would change. Don’t forget about vehicle registration fees, tolls, and other state-specific costs that add up over a year.

Quality of Life & Lifestyle Fit

Numbers only tell part of the story. Consider climate preferences, commute times, proximity to family, school quality if you have children, healthcare access, and the general “feel” of a city. A place that’s 15% cheaper might not be worth it if it means a longer commute or fewer amenities you value. If possible, visit San Diego, CA for a week before making a final decision — experiencing the day-to-day rhythm matters more than any spreadsheet.

Frequently Asked Questions: Chicago, IL vs San Diego, CA

How do the cost estimates for Chicago, IL and San Diego, CA compare?

The saved overall index for San Diego, CA is 33.2% higher than for Chicago, IL. This is a broad model comparison, not a survey of today's prices or a forecast of your household spending. Some cities use adjusted regional fallback data.

What does the equivalent salary mean?

At a $150,000 salary in Chicago, IL, the model estimates $179,889 in San Diego, CA. It assumes 60% of gross income changes with the relative cost index and 40% stays fixed. The monthly difference is the salary difference divided by 12; it is not take-home pay or guaranteed savings. Household size, childcare and your actual lease are not inputs to this calculation.

What rent estimates are available for Chicago, IL and San Diego, CA?

The modeled two-bedroom rents are $1,925/month in Chicago, IL and $3,360/month in San Diego, CA. Where available, the source is a city median of HUD FY2026 ZIP-level estimates; otherwise a saved metro table is used. City adjustments may also apply. These are not asking rents or available listings. Compare actual properties with the same bedroom count and included utilities.

How should I use this comparison before moving?

Use it to shortlist locations, then replace modeled costs with a current housing quote, employer-confirmed income, commute costs, insurance and your household's other expenses. Add one-time moving costs separately. Source years differ and the saved datasets are not a live price feed. Read the methodology for the formulas and fallback rules.

💰 See how taxes change too — compare take-home pay between Illinois and California on TaxTakeHome.com

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