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California cost of living & income (2026)

Quick answer: California has a cost-of-living index of 140.5 (100 = national baseline), an illustrative estimated annual cost of living of about $70,250, median household income of $100,149, combined average sales tax about 8.99%, and regular gas about $5.592/gal in the June 2026 AAA snapshot used on the hub.

COL index140.5100 = US baseline
Est. annual COL$70,250
Median HH income$100,149
Sales tax (comb.)8.99%
Gas (87 octane)$5.592/galJune 2026 AAA
Largest cityLos Angeles (3,820,914)

Taxes & economy

Income tax: Graduated 1%–13.3%

Sales tax: 7.25% state (combined avg. ~8.99%)

Major industries: Technology, entertainment, agriculture, tourism, aerospace, trade

Climate snapshot

Summer high ~84–95°F (varies widely) · Winter low ~45–50°F (coastal)

Culture (context)

Golden Gate Bridge / Getty Center / Hollywood heritage sites

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FAQ

What is California's cost of living index?

California's cost-of-living index is 140.5 (national baseline 100) in this 2026 classroom snapshot.

What is the estimated annual cost of living in California?

The explorer lists an illustrative estimated annual cost of living of about $70,250 for California.

What is median household income in California?

Median household income in California is $100,149 in this dataset.

What is the combined average sales tax rate in California?

The combined average sales tax rate shown for California is 8.99%. State and local rules vary; see the Tax Foundation citation on the hub.

Does California have a state income tax?

State income tax in California: Graduated 1%–13.3%.

What was regular gas in California in this snapshot?

87-octane gas is listed at $5.592 per gallon (AAA, June 2026) in the explorer data.

Sources on the hub: Tax Foundation (sales tax), BEA / ACS (income & COL), AAA gas (June 20, 2026). Educational snapshot — not relocation or tax advice.