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San Francisco vs Irvine: Full Comparison

Updated November 2026 · Cost of living, safety, and climate data

Quick Answer

San Francisco is 23% more expensive than Irvine. Irvine is 77% safer. Irvine has more comfortable months (12 vs 9). San Francisco population: 826,079. Irvine population: 318,764.

Which city is better for you?

Cost of LivingIrvine
SafetyIrvine
WeatherIrvine
HousingIrvine

Based on cost of living indices, FBI crime data, and NOAA climate records.

Cost of Living: San Francisco vs Irvine

Irvine is more affordable overall, with a cost of living index of 155 vs 190 (national average = 100). That's a difference of 35 index points.

CategorySan FranciscoIrvine
Overall Index190155
Housing$5,518/moIndex: 310$4,450/moIndex: 250
Groceries$484/moIndex: 118$431/moIndex: 105
Transportation$420/moIndex: 120$385/moIndex: 110
Healthcare$368/moIndex: 115$336/moIndex: 105
Utilities$220/moIndex: 100$202/moIndex: 92

Index 100 = national average. Dollar amounts are estimated monthly costs. Sources: BEA Regional Price Parities, C2ER Cost of Living Index.

Safety: San Francisco vs Irvine

Irvine is 77% safer overall, with a crime rate of 11.6 per 1,000 residents vs San Francisco's 49.5. Irvine earns a B+ safety grade compared to San Francisco's F. Based on 2023 FBI data.

F

San Francisco

California

Overall GradeF
Violent CrimeC+
Property CrimeF
Crime Rate49.5/1K
TrendImproving
B+

Irvine

California

Overall GradeB+
Violent CrimeB+
Property CrimeB+
Crime Rate11.6/1K
TrendDeclining
MetricSan FranciscoIrvine
Overall Crime Rate49.5/1K11.6/1K
Violent Crime Rate450.060.0
Property Crime Rate4500.01100.0
Murder Rate6.80.9
Assault Rate288.542.6
Robbery Rate61.013.2
Burglary Rate699.8172.1
Theft Rate3660.4730.0
Vehicle Theft Rate1091.0262.4

Crime rates per 100,000 residents. 2023 FBI Uniform Crime Report data. Lower rates are better (safer).

Victim Odds

In San Francisco, you have a 1 in 20 chance of being a crime victim per year vs 1 in 86 in Irvine.

Climate: San Francisco vs Irvine

San Francisco Climate Overview

Annual High64.1°F
Annual Low51°F
Annual Rain22.2"
Annual SnowNone
Comfortable Months9
Best MonthSeptember
Worst MonthJanuary
Monthly Temperature
J
F
M
A
M
J
J
A
S
O
N
D
Comfortable

Irvine Climate Overview

Annual High74.6°F
Annual Low55.1°F
Annual Rain12.8"
Annual SnowNone
Comfortable Months12
Best MonthJune
Worst MonthFebruary
Monthly Temperature
J
F
M
A
M
J
J
A
S
O
N
D
ComfortableWarm

Monthly Temperature Comparison

San FranciscoIrvineHigh/Low °F range
40°50°60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDec
MetricSan FranciscoIrvine
Avg Annual High64.1°F74.6°F
Avg Annual Low51°F55.1°F
Annual Rain22.2"12.8"
Annual SnowNoneNone
Comfortable Months912
Freezing Months00

Irvine is 13°F warmer in summer than San Francisco, but winter temperatures are comparable. San Francisco is wetter with 22" of annual rain compared to 13". Irvine has more comfortable weather months (12 vs 9).

Frequently Asked Questions

Is San Francisco cheaper than Irvine?
Irvine is 23% more affordable than San Francisco, with a cost of living index of 155 vs 190 (100 = national average). Housing is the biggest difference, at $5,518/mo in San Francisco vs $4,450/mo in Irvine.
Is San Francisco safer than Irvine?
Irvine is 77% safer overall, with a crime rate of 11.6 per 1,000 residents vs San Francisco's 49.5. Irvine earns a B+ safety grade. Based on 2023 FBI data.
Which city has better weather, San Francisco or Irvine?
Irvine is 10.5°F warmer on average as San Francisco. Irvine has more comfortable months (12 vs 9). Neither city gets significant snow.
Should I move to San Francisco or Irvine?
It depends on your priorities. Irvine is safer (B+ grade). Irvine is more affordable (index 155 vs 190). Irvine has better year-round weather. San Francisco has a population of 826,079 and Irvine has 318,764. Consider job market, culture, and proximity to family alongside these data points.
How big is San Francisco compared to Irvine?
San Francisco has a population of 826,079 and Irvine has 318,764. San Francisco is 159% larger by population.
Is housing cheaper in San Francisco or Irvine?
Housing is cheaper in Irvine. Estimated monthly housing costs: San Francisco $5,518/mo vs Irvine $4,450/mo. That's based on a housing index of 310 vs 250 (100 = national average of $1,780/mo).

Learn More About Each City

Safety data: 2023 FBI Uniform Crime Report. Cost of living: BEA Regional Price Parities and C2ER Cost of Living Index. Climate: NOAA 30-year normals. Not a substitute for local guidance.

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