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Phoenix vs San Diego cost of living

Phoenix vs San Diego cost of living, compared metric by metric: BEA regional price parity, HUD rent, USDA food, energy, and state and local taxes. Each row keeps its own source grain and vintage — there is no single blended “cost of living score,” because these measures are published at different geographic grains.

59% moremodeled gross income for the same illustrative four-person spending scenario in San Diego than in Phoenix

Illustrative scenario: $187,421/yr in San Diego vs $117,574/yr in Phoenix; unverified local tax excluded where applicable

CEX 2024 · FMR FY2026 · USDA 2026 · RPP 2024 · TY2026 · NDCP 2022 (CPI-inflated to 2026-M08)

Scenarios with unverified local income tax exclude that unknown cost. These amounts are not tax-inclusive needs estimates.

Four-person spending scenarios in Phoenix and San Diego

The illustrative four-person scenarios correspond to modeled gross incomes of $117,574 a year in Phoenix and $187,421 a year in San Diego. See the assumptions and exclusions. The bars show the included components, not a minimum adequate income.

Phoenix, AZ

Housing
$2,120/mo22%

HUD SAFMR FY2026, ZIP 85021, 3BR

Childcare
$2,083/mo21%

County-level, 2022 federal childcare survey (DOL NDCP), inflation-adjusted

Net taxes after credits
$1,405/mo14%

Federal + FICA + state, MFJ; unverified local income tax excluded; EITC/CTC applied

Food
$1,065/mo11%

USDA Low-Cost plan × state RPP

Transportation
$1,546/mo16%

BLS CEX × state RPP goods

Everything else
$1,579/mo16%

Health OOP + internet/cell + other necessities + civic

Total
$9,798/mo · $117,574/yr

CEX 2024 · FMR FY2026 · USDA 2026 · RPP 2024 · TY2026 · NDCP 2022 (CPI-inflated to 2026-M08)

San Diego, CA

Housing
$5,060/mo32%

HUD SAFMR FY2026, ZIP 92123, 3BR

Childcare
$2,497/mo16%

County-level, 2022 federal childcare survey (DOL NDCP), inflation-adjusted

Net taxes after credits
$3,566/mo23%

Federal + FICA + state, MFJ; unverified local income tax excluded; EITC/CTC applied

Food
$1,153/mo7%

USDA Low-Cost plan × state RPP

Transportation
$1,757/mo11%

BLS CEX × state RPP goods

Everything else
$1,586/mo10%

Health OOP + internet/cell + other necessities + civic

Total
$15,618/mo · $187,421/yr

CEX 2024 · FMR FY2026 · USDA 2026 · RPP 2024 · TY2026 · NDCP 2022 (CPI-inflated to 2026-M08)

Monthly family-of-four budget components, Phoenix, AZ vs San Diego, CA
ComponentPhoenixSan DiegoPhoenix − San Diego
Housing$2,120$5,060−$2,940
Childcare$2,083$2,497−$414
Net taxes after credits$1,405$3,566−$2,161
Food$1,065$1,153−$88
Transportation$1,546$1,757−$211
Everything else$1,579$1,586−$7
Total per month$9,798$15,618−$5,820

Household Budget Benchmark, family of four (2 adults, 2 children), 3-bedroom. Housing uses HUD Fair Market Rent (ZIP SAFMR where available); other rows are federal series adjusted by state-grain BEA price parities. CEX 2024 · FMR FY2026 · USDA 2026 · RPP 2024 · TY2026 · NDCP 2022 (CPI-inflated to 2026-M08).

Which city has higher prices, Phoenix or San Diego?

BEA Regional Price Parities put overall prices at 103.3 in Phoenix and 111.9 in San Diego, where the U.S. average is 100. RPP is a regional index shown at each city’s BEA grain, not a city-precise price tag.

BEA Regional Price Parities (U.S. = 100), Phoenix, AZ vs San Diego, CA
RPP componentPhoenixSan DiegoPhoenix − San Diego
All items103.3111.9−8.6
Goods95.0108.0−13
Rents121.2179.3−58.1
Utilities93.3174.2−80.9
Other services104.099.6+4.4

Phoenix: Phoenix-Mesa-Chandler, AZ metro area · reference year 2024. San Diego: San Diego-Chula Vista-Carlsbad, CA metro area · reference year 2024.

How much is rent in Phoenix vs San Diego?

HUD sets the 2-bedroom Fair Market Rent at $1,839 in Phoenix and $3,001 in San Diego for HUD fiscal year 2026.

HUD Fair Market Rent, Phoenix, AZ vs San Diego, CA
BedroomsPhoenixSan DiegoPhoenix − San Diego
1-BR FMR$1,583$2,459−$876
2-BR FMR$1,839$3,001−$1,162
3-BR FMR$2,452$3,998−$1,546

Phoenix: Phoenix-Mesa-Chandler, AZ MSA. San Diego: San Diego-Chula Vista-Carlsbad, CA MSA. HUD FY2026 40th-percentile gross rents.

Are taxes higher in Phoenix or San Diego?

Combined state and local sales tax is about 8.52% in Arizona and 8.99% in California. These are state and local figures.

State and local taxes, Arizona vs California
MeasurePhoenix (AZ)San Diego (CA)Difference
Combined sales tax rate8.52%8.99%−0.5 pts
Top state income tax rate2.5%13.3%−10.8 pts
State and local tax collections per resident$5,287$10,160−$4,873

Sales & income tax rates: state statutes / DOR schedules, TY2026. Collections per resident: Census Annual Survey of State & Local Government Finances, FY2024. State totals include local governments. Differences are descriptive. Combined tax-category sampling covariance is unavailable, so no statistical-significance claim is made.

Are utilities and gas cheaper in Phoenix or San Diego?

Residential electricity runs about 16¢/kWh in Arizona and 33.2¢/kWh in California. Energy prices are state or PADD-region grain, not city-specific.

EIA energy prices, Arizona vs California
MeasurePhoenix (AZ)San Diego (CA)Difference
Residential electricity16¢/kWh33.2¢/kWh−17.2
Residential natural gas17.73 $/Mcf22.45 $/Mcf−4.72
Retail gasoline5.75 $/gal5.75 $/gal0

Electricity & natural gas: EIA state-grain residential prices. Gasoline: EIA PADD 5 (West Coast) vs PADD 5 (West Coast) (PADD-region grain).

What does groceries cost in Phoenix vs San Diego?

A USDA Low-Cost food plan for a family of four is about $1,122 a month nationally; the plan value is a national figure, while local price differences show up through the RPP-adjusted budget above.

USDA food plan (national), reference for Phoenix, AZ and San Diego, CA
USDA plan (family of 4, monthly)PhoenixSan Diego
Thrifty plan$1,018$1,018
Low-cost plan$1,122$1,122
Moderate plan$1,387$1,387

USDA Cost of Food Plans, May 2026. National grain — identical for every city; the family budget applies each state’s RPP for local context.

Go deeper on Phoenix and San Diego

Sources

Every figure above traces to an official federal or state source, shown with its vintage and geographic grain. Cost-of-living measures are not combined into one composite score. See the cost-of-living methodology.