Arizona and California at a glance
Arizona and California share a border, but a paycheck does not travel across it unchanged. A $60,000 salary leaves $25,298 a year after taxes and the four basics in Arizona and $13,216 in California.
Arizona comes out ahead by $12,082 a year ($1,007 a month). The calculation starts from the same gross pay in both states, subtracts federal tax, Social Security and Medicare, then each state's own income tax, and then the population-weighted cost of a one-bedroom rental, groceries, home energy and gasoline across 7,378,838 people in 15 counties in Arizona and 39,287,377 people in 58 counties in California.
Taxes: what each paycheck loses
Federal income tax ($5,072) and FICA ($4,590) on $60,000 are the same on both sides of the border. State income tax takes $1,125 in Arizona and $1,696 in California, which leaves take-home pay of $49,214 and $48,642.
At $100,000
At $100,000 take-home pay is $76,776 in Arizona and $73,723 in California, a difference of $3,053. The gap widens with income because graduated state brackets take a growing share.
Living costs
One-bedroom rent averages $1,361 a month in Arizona and $2,151 in California, so Arizona is $790 a month cheaper for housing. Food costs $3,436 a year in both, because the USDA Thrifty Food Plan is a national figure; home energy $2,387 and $4,129, and gasoline $1,759 and $2,047. Together the basics cost $23,916 a year in Arizona and $35,427 in California.
What the Census adds
Median household income is $79,964 in Arizona and $99,122 in California. Homeowners pay a median of $1,879 a year in property tax in Arizona and $5,124 in California. Commuters travel 25.4 minutes each way on average in Arizona and 28.7 in California.
Method
Taxes use the 2025 rules for a single filer with wage income only and the standard deduction. Housing and living costs are county figures from HUD (one-bedroom Fair Market Rent), the USDA Thrifty Food Plan and state energy prices from the Energy Information Administration, averaged across each state's counties and weighted by population, so large counties count more. Local income taxes are not included. Counties differ widely inside every state, so use the county pages for a specific place.