Cost of Living: Round Rock, TX vs Westminster, CO (2026)

Round Rock

Texas
122
VS

Westminster

Colorado
139

Round Rock is 12% cheaper than Westminster.

$1,713/mo ↓ 6%
Median Rent
$1,816/mo ↑ 6%
$97,187/yr ↑ 1%
Median Income
$96,145/yr ↓ 1%
$383,700 ↓ 23%
Home Value
$497,400 ↑ 30%
$1,781/mo ↓ 3%
Owner Costs
$1,841/mo ↑ 3%
124,288
Population
115,546

Tax Comparison

0%
Income Tax
4.4%
6.25%
State Sales Tax
2.9%
1.6%
Property Tax
0.51%

Affordability

21.2%
rent-to-income
Affordability
22.7%
rent-to-income

Detailed Comparison

When comparing Round Rock, TX and Westminster, CO, the overall cost of living indices are 122 and 139 respectively (national median = 100). Rent is $103/month cheaper in Round Rock, saving renters about $1,236/year.

Median household income is $1,042/year higher in Round Rock. Home values also differ significantly — the median in Round Rock is $383,700 compared to $497,400 in Westminster.

Texas has no state income tax, giving Round Rock residents a significant tax advantage over Colorado's 4.4% rate.

Frequently Asked Questions

Round Rock vs Westminster — common questions

Is Round Rock or Westminster cheaper to live in?
Based on our cost index, Round Rock is cheaper to live in with an index of 122 compared to 139 (US average = 100).
What is the rent difference between Round Rock and Westminster?
Median rent in Round Rock is $1,713/month and in Westminster it's $1,816/month — a difference of $103/month.
Which city has higher income, Round Rock or Westminster?
Median household income is $97,187 in Round Rock and $96,145 in Westminster. Median household income is $1,042/year higher in Round Rock.
How do taxes compare between Texas and Colorado?
Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax. Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax.
Should I move to Round Rock or Westminster?
It depends on your priorities. Round Rock has a cost index of 122 with median rent of $1,713/mo, while Westminster has a cost index of 139 with rent of $1,816/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Round Rock details → View Westminster details →

More Comparisons

Other cost of living comparisons for Round Rock and Westminster

Round Rock vs. Vallejo Round Rock vs. Concord Round Rock vs. Meridian Round Rock vs. Arvada Round Rock vs. Palm Bay Round Rock vs. Clovis Westminster vs. Antioch Westminster vs. Manchester Westminster vs. Broken Arrow Westminster vs. Richmond Westminster vs. West Jordan Westminster vs. High Point