Round Rock TX vs Sunnyvale CA — Cost of Living, Crime & Income Comparison 2026

Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)

Round Rock, TX

Texas · Population: 124,288

  • Median HH Income$97,187
  • Median Home Price$411,570
  • Unemployment3.6%
  • Bachelor's+43.6%

Sunnyvale, CA

California · Population: 153,455

  • Median HH Income$181,862
  • Median Home Price$2,144,024
  • Unemployment4.1%
  • Bachelor's+69.2%

Detailed Comparison

Demographics

Population
Round Rock
124,288
Sunnyvale
153,455
Sunnyvale +
Pop. Density / sq mi
Lower = more space
Round Rock
N/A
Sunnyvale
N/A
Median Age
Round Rock
36.2
Sunnyvale
35.1
Sunnyvale +
Foreign Born
Round Rock
15.5%
Sunnyvale
49.4%
Sunnyvale +
White
Round Rock
58.3%
Round Rock +
Sunnyvale
30.4%
Black
Round Rock
11.2%
Round Rock +
Sunnyvale
1.5%
Asian
Round Rock
7.3%
Sunnyvale
49.4%
Sunnyvale +
Hispanic
Round Rock
29.1%
Round Rock +
Sunnyvale
16.7%
Spanish at Home
Round Rock
N/A
Sunnyvale
N/A

Economy

Median HH Income
Round Rock
$97,187
Sunnyvale
$181,862
Sunnyvale +
Per Capita Income
Round Rock
$47,829
Sunnyvale
$95,752
Sunnyvale +
Per Capita Personal Income (MSA)
BEA MSA-level
Round Rock
$63,758
Sunnyvale
$77,230
Sunnyvale +
Unemployment Rate
Round Rock
3.6%
Round Rock +
Sunnyvale
4.1%
Poverty Rate
Round Rock
7.7%
Sunnyvale
5.6%
Sunnyvale +
Bachelor's Degree+
Round Rock
43.6%
Sunnyvale
69.2%
Sunnyvale +

Housing

Median Home Value
Zillow ZHVI / Census ACS
Round Rock
$411,570
Round Rock +
Sunnyvale
$2,144,024
Homeownership Rate
Round Rock
56.3%
Round Rock +
Sunnyvale
43.8%

Safety

Violent Crime / 100K
FBI CDE (state-level est.)
Round Rock
442
Round Rock +
Sunnyvale
503
Property Crime / 100K
FBI CDE (state-level est.)
Round Rock
2339
Round Rock +
Sunnyvale
2388

Health

Obesity Rate
CDC PLACES
Round Rock
34.2%
Sunnyvale
19.7%
Sunnyvale +
Diabetes Rate
CDC PLACES
Round Rock
9.8%
Sunnyvale
8.3%
Sunnyvale +
Poor Mental Health
CDC PLACES — 14+ days/month
Round Rock
16.6%
Sunnyvale
12.9%
Sunnyvale +
No Health Insurance
CDC PLACES
Round Rock
14.1%
Sunnyvale
5.2%
Sunnyvale +
Binge Drinking
CDC PLACES
Round Rock
17.3%
Sunnyvale
13.5%
Sunnyvale +
Current Smokers
CDC PLACES
Round Rock
10.6%
Sunnyvale
6.7%
Sunnyvale +

Climate

Avg Annual Temp
NOAA 1991–2020 normal
Round Rock
N/A
Sunnyvale
N/A
Annual Precipitation
NOAA 1991–2020 normal
Round Rock
35.7 in
Sunnyvale
N/A

Air Quality

PM2.5 Annual Avg
EPA AQS (state-level est.)
Round Rock
9.2 µg/m³
Sunnyvale
7.9 µg/m³
Sunnyvale +
Good Air Days
AQI ≤ 50
Round Rock
55.0%
Sunnyvale
75.0%
Sunnyvale +

Commute

Mean Commute Time
Census ACS
Round Rock
26.1 min
Sunnyvale
25.3 min
Sunnyvale +

Which City is Right for You?

Sunnyvale leads in median household income at $181,862, while round Rock offers more affordable housing with a median home price of $411,570. On public safety, Round Rock is safer with a violent crime rate of 442 per 100,000 residents, compared to 503 in Sunnyvale. Round Rock has a lower unemployment rate at 3.6%, and Sunnyvale has cleaner air (PM2.5 avg 7.9 µg/m³). For overall health outcomes, Sunnyvale scores better with a lower obesity rate of 19.7%.

Compare More Cities

About Round Rock & Sunnyvale