Cost of Living: Washington, DC vs Round Rock, TX (2026)

Washington

District of Columbia
171
VS

Round Rock

Texas
122

Washington is 40% more expensive than Round Rock.

$1,900/mo ↑ 11%
Median Rent
$1,713/mo ↓ 10%
$106,287/yr ↑ 9%
Median Income
$97,187/yr ↓ 9%
$724,600 ↑ 89%
Home Value
$383,700 ↓ 47%
$2,103/mo ↑ 18%
Owner Costs
$1,781/mo ↓ 15%
672,079
Population
124,288

Tax Comparison

10.75%
Income Tax
0%
6.0%
State Sales Tax
6.25%
0.56%
Property Tax
1.6%

Affordability

21.5%
rent-to-income
Affordability
21.2%
rent-to-income

Detailed Comparison

When comparing Washington, DC and Round Rock, TX, the overall cost of living indices are 171 and 122 respectively (national median = 100). Rent is $187/month cheaper in Round Rock, saving renters about $2,244/year.

Median household income is $9,100/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $383,700 in Round Rock.

Texas has no state income tax, giving Round Rock residents a significant tax advantage over District of Columbia's 10.75% rate.

Frequently Asked Questions

Washington vs Round Rock — common questions

Is Washington or Round Rock cheaper to live in?
Based on our cost index, Round Rock is cheaper to live in with an index of 122 compared to 171 (US average = 100).
What is the rent difference between Washington and Round Rock?
Median rent in Washington is $1,900/month and in Round Rock it's $1,713/month — a difference of $187/month.
Which city has higher income, Washington or Round Rock?
Median household income is $106,287 in Washington and $97,187 in Round Rock. Median household income is $9,100/year higher in Washington.
How do taxes compare between District of Columbia and Texas?
District of Columbia has 10.75% income tax, 6.0% sales tax, and 0.56% property tax. Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax.
Should I move to Washington or Round Rock?
It depends on your priorities. Washington has a cost index of 171 with median rent of $1,900/mo, while Round Rock has a cost index of 122 with rent of $1,713/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Washington details → View Round Rock details →

More Comparisons

Other cost of living comparisons for Washington and Round Rock

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