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

McKinney

Texas
138
VS

Round Rock

Texas
122

McKinney is 13% more expensive than Round Rock.

$1,841/mo ↑ 7%
Median Rent
$1,713/mo ↓ 7%
$120,273/yr ↑ 24%
Median Income
$97,187/yr ↓ 19%
$439,500 ↑ 15%
Home Value
$383,700 ↓ 13%
$2,101/mo ↑ 18%
Owner Costs
$1,781/mo ↓ 15%
202,314
Population
124,288

Tax Comparison

0%
Income Tax
0%
6.25%
State Sales Tax
6.25%
1.6%
Property Tax
1.6%

Affordability

18.4%
rent-to-income
Affordability
21.2%
rent-to-income

Detailed Comparison

When comparing McKinney, TX and Round Rock, TX, the overall cost of living indices are 138 and 122 respectively (national median = 100). Rent is $128/month cheaper in Round Rock, saving renters about $1,536/year.

Median household income is $23,086/year higher in McKinney. Home values also differ significantly — the median in McKinney is $439,500 compared to $383,700 in Round Rock.

Both cities share the same state tax structure since they are in Texas.

Frequently Asked Questions

McKinney vs Round Rock — common questions

Is McKinney 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 138 (US average = 100).
What is the rent difference between McKinney and Round Rock?
Median rent in McKinney is $1,841/month and in Round Rock it's $1,713/month — a difference of $128/month.
Which city has higher income, McKinney or Round Rock?
Median household income is $120,273 in McKinney and $97,187 in Round Rock. Median household income is $23,086/year higher in McKinney.
How do taxes compare between Texas and Texas?
Both cities are in Texas and share the same state tax rates: 0% income tax, 6.25% sales tax, and 1.6% property tax.
Should I move to McKinney or Round Rock?
It depends on your priorities. McKinney has a cost index of 138 with median rent of $1,841/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 McKinney details → View Round Rock details →

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