Round Rock TX vs St. Petersburg FL — 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%

St. Petersburg, FL

Florida · Population: 260,646

  • Median HH Income$73,118
  • Median Home Price$331,500
  • Unemployment4.9%
  • Bachelor's+41.3%

Detailed Comparison

Demographics

Population
Round Rock
124,288
St. Petersburg
260,646
St. Petersburg +
Pop. Density / sq mi
Lower = more space
Round Rock
N/A
St. Petersburg
N/A
Median Age
Round Rock
36.2
Round Rock +
St. Petersburg
43.1
Foreign Born
Round Rock
15.5%
Round Rock +
St. Petersburg
10.1%
White
Round Rock
58.3%
St. Petersburg
66.2%
St. Petersburg +
Black
Round Rock
11.2%
St. Petersburg
19.4%
St. Petersburg +
Asian
Round Rock
7.3%
Round Rock +
St. Petersburg
3.1%
Hispanic
Round Rock
29.1%
Round Rock +
St. Petersburg
9.3%
Spanish at Home
Round Rock
N/A
St. Petersburg
N/A

Economy

Median HH Income
Round Rock
$97,187
Round Rock +
St. Petersburg
$73,118
Per Capita Income
Round Rock
$47,829
St. Petersburg
$49,823
St. Petersburg +
Per Capita Personal Income (MSA)
BEA MSA-level
Round Rock
$63,758
St. Petersburg
$65,328
St. Petersburg +
Unemployment Rate
Round Rock
3.6%
Round Rock +
St. Petersburg
4.9%
Poverty Rate
Round Rock
7.7%
Round Rock +
St. Petersburg
11.7%
Bachelor's Degree+
Round Rock
43.6%
Round Rock +
St. Petersburg
41.3%

Housing

Median Home Value
Zillow ZHVI / Census ACS
Round Rock
$411,570
St. Petersburg
$331,500
St. Petersburg +
Homeownership Rate
Round Rock
56.3%
St. Petersburg
63.0%
St. Petersburg +

Safety

Violent Crime / 100K
FBI CDE (state-level est.)
Round Rock
442
St. Petersburg
324
St. Petersburg +
Property Crime / 100K
FBI CDE (state-level est.)
Round Rock
2339
St. Petersburg
1453
St. Petersburg +

Health

Obesity Rate
CDC PLACES
Round Rock
34.2%
St. Petersburg
32.7%
St. Petersburg +
Diabetes Rate
CDC PLACES
Round Rock
9.8%
Round Rock +
St. Petersburg
12.2%
Poor Mental Health
CDC PLACES — 14+ days/month
Round Rock
16.6%
St. Petersburg
16.6%
Tie
No Health Insurance
CDC PLACES
Round Rock
14.1%
St. Petersburg
11.1%
St. Petersburg +
Binge Drinking
CDC PLACES
Round Rock
17.3%
St. Petersburg
16.6%
St. Petersburg +
Current Smokers
CDC PLACES
Round Rock
10.6%
Round Rock +
St. Petersburg
12.4%

Climate

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

Air Quality

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

Commute

Mean Commute Time
Census ACS
Round Rock
26.1 min
Round Rock +
St. Petersburg
26.8 min

Which City is Right for You?

Round Rock leads in median household income at $97,187, while st. Petersburg offers more affordable housing with a median home price of $331,500. On public safety, St. Petersburg is safer with a violent crime rate of 324 per 100,000 residents, compared to 442 in Round Rock. Round Rock has a lower unemployment rate at 3.6%, and St. Petersburg has cleaner air (PM2.5 avg 7.2 µg/m³). For overall health outcomes, St. Petersburg scores better with a lower obesity rate of 32.7%.

Compare More Cities

About Round Rock & St. Petersburg