Cost of Living: Round Rock, TX vs North Charleston, SC (2026)

Round Rock

Texas
122
VS

North Charleston

South Carolina
91

Round Rock is 34% more expensive than North Charleston.

$1,713/mo ↑ 26%
Median Rent
$1,364/mo ↓ 20%
$97,187/yr ↑ 55%
Median Income
$62,789/yr ↓ 35%
$383,700 ↑ 43%
Home Value
$267,700 ↓ 30%
$1,781/mo ↑ 36%
Owner Costs
$1,312/mo ↓ 26%
124,288
Population
117,460

Tax Comparison

0%
Income Tax
6.4%
6.25%
State Sales Tax
6.0%
1.6%
Property Tax
0.57%

Affordability

21.2%
rent-to-income
Affordability
26.1%
rent-to-income

Detailed Comparison

When comparing Round Rock, TX and North Charleston, SC, the overall cost of living indices are 122 and 91 respectively (national median = 100). Rent is $349/month cheaper in North Charleston, saving renters about $4,188/year.

Median household income is $34,398/year higher in Round Rock. Home values also differ significantly — the median in Round Rock is $383,700 compared to $267,700 in North Charleston.

Texas has no state income tax, giving Round Rock residents a significant tax advantage over South Carolina's 6.4% rate.

Frequently Asked Questions

Round Rock vs North Charleston — common questions

Is Round Rock or North Charleston cheaper to live in?
Based on our cost index, North Charleston is cheaper to live in with an index of 91 compared to 122 (US average = 100).
What is the rent difference between Round Rock and North Charleston?
Median rent in Round Rock is $1,713/month and in North Charleston it's $1,364/month — a difference of $349/month.
Which city has higher income, Round Rock or North Charleston?
Median household income is $97,187 in Round Rock and $62,789 in North Charleston. Median household income is $34,398/year higher in Round Rock.
How do taxes compare between Texas and South Carolina?
Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax. South Carolina has 6.4% income tax, 6.0% sales tax, and 0.57% property tax.
Should I move to Round Rock or North Charleston?
It depends on your priorities. Round Rock has a cost index of 122 with median rent of $1,713/mo, while North Charleston has a cost index of 91 with rent of $1,364/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Round Rock details → View North Charleston details →

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