Cost of Living: Phoenix, AZ vs Washington, DC (2026)

Phoenix

Arizona
109
VS

Washington

District of Columbia
171

Phoenix is 36% cheaper than Washington.

$1,458/mo ↓ 23%
Median Rent
$1,900/mo ↑ 30%
$77,041/yr ↓ 28%
Median Income
$106,287/yr ↑ 38%
$381,900 ↓ 47%
Home Value
$724,600 ↑ 90%
$1,430/mo ↓ 32%
Owner Costs
$2,103/mo ↑ 47%
1,624,832
Population
672,079

Tax Comparison

2.5%
Income Tax
10.75%
5.6%
State Sales Tax
6.0%
0.62%
Property Tax
0.56%

Affordability

22.7%
rent-to-income
Affordability
21.5%
rent-to-income

Detailed Comparison

When comparing Phoenix, AZ and Washington, DC, the overall cost of living indices are 109 and 171 respectively (national median = 100). Rent is $442/month cheaper in Phoenix, saving renters about $5,304/year.

Median household income is $29,246/year higher in Washington. Home values also differ significantly — the median in Phoenix is $381,900 compared to $724,600 in Washington.

Arizona has a lower income tax rate, making Phoenix slightly more tax-friendly.

Frequently Asked Questions

Phoenix vs Washington — common questions

Is Phoenix or Washington cheaper to live in?
Based on our cost index, Phoenix is cheaper to live in with an index of 109 compared to 171 (US average = 100).
What is the rent difference between Phoenix and Washington?
Median rent in Phoenix is $1,458/month and in Washington it's $1,900/month — a difference of $442/month.
Which city has higher income, Phoenix or Washington?
Median household income is $77,041 in Phoenix and $106,287 in Washington. Median household income is $29,246/year higher in Washington.
How do taxes compare between Arizona and District of Columbia?
Arizona has 2.5% income tax, 5.6% sales tax, and 0.62% property tax. District of Columbia has 10.75% income tax, 6.0% sales tax, and 0.56% property tax.
Should I move to Phoenix or Washington?
It depends on your priorities. Phoenix has a cost index of 109 with median rent of $1,458/mo, while Washington has a cost index of 171 with rent of $1,900/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Phoenix details → View Washington details →

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