Joliet IL vs Round Rock TX — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Joliet, IL
Illinois · Population: 149,785
- Median HH Income$88,026
- Median Home Price$264,637
- Unemployment5.8%
- Bachelor's+25.0%
Round Rock, TX
Texas · Population: 124,288
- Median HH Income$97,187
- Median Home Price$411,570
- Unemployment3.6%
- Bachelor's+43.6%
Detailed Comparison
Demographics
Population
Joliet
149,785
Joliet +
Round Rock
124,288
Pop. Density / sq mi
Lower = more space
Joliet
N/A
Round Rock
N/A
Median Age
Joliet
35.3
Joliet +
Round Rock
36.2
Foreign Born
Joliet
15.2%
Round Rock
15.5%
Round Rock +
White
Joliet
52.7%
Round Rock
58.3%
Round Rock +
Black
Joliet
17.0%
Joliet +
Round Rock
11.2%
Asian
Joliet
2.1%
Round Rock
7.3%
Round Rock +
Hispanic
Joliet
34.7%
Joliet +
Round Rock
29.1%
Spanish at Home
Joliet
N/A
Round Rock
N/A
| Metric | Joliet, IL | Round Rock, TX | Better |
|---|---|---|---|
| Population | 149,785 | 124,288 | Joliet + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 35.3 | 36.2 | Joliet + |
| Foreign Born | 15.2% | 15.5% | Round Rock + |
| White | 52.7% | 58.3% | Round Rock + |
| Black | 17.0% | 11.2% | Joliet + |
| Asian | 2.1% | 7.3% | Round Rock + |
| Hispanic | 34.7% | 29.1% | Joliet + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Joliet
$88,026
Round Rock
$97,187
Round Rock +
Per Capita Income
Joliet
$35,820
Round Rock
$47,829
Round Rock +
Per Capita Personal Income (MSA)
BEA MSA-level
Joliet
$68,110
Joliet +
Round Rock
$63,758
Unemployment Rate
Joliet
5.8%
Round Rock
3.6%
Round Rock +
Poverty Rate
Joliet
11.0%
Round Rock
7.7%
Round Rock +
Bachelor's Degree+
Joliet
25.0%
Round Rock
43.6%
Round Rock +
| Metric | Joliet, IL | Round Rock, TX | Better |
|---|---|---|---|
| Median HH Income | $88,026 | $97,187 | Round Rock + |
| Per Capita Income | $35,820 | $47,829 | Round Rock + |
| Per Capita Personal Income (MSA)BEA MSA-level | $68,110 | $63,758 | Joliet + |
| Unemployment Rate | 5.8% | 3.6% | Round Rock + |
| Poverty Rate | 11.0% | 7.7% | Round Rock + |
| Bachelor's Degree+ | 25.0% | 43.6% | Round Rock + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Joliet
$264,637
Joliet +
Round Rock
$411,570
Homeownership Rate
Joliet
73.1%
Joliet +
Round Rock
56.3%
| Metric | Joliet, IL | Round Rock, TX | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $264,637 | $411,570 | Joliet + |
| Homeownership Rate | 73.1% | 56.3% | Joliet + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Joliet
344
Joliet +
Round Rock
442
Property Crime / 100K
FBI CDE (state-level est.)
Joliet
1842
Joliet +
Round Rock
2339
| Metric | Joliet, IL | Round Rock, TX | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 344 | 442 | Joliet + |
| Property Crime / 100KFBI CDE (state-level est.) | 1842 | 2339 | Joliet + |
Health
Obesity Rate
CDC PLACES
Joliet
41.9%
Round Rock
34.2%
Round Rock +
Diabetes Rate
CDC PLACES
Joliet
11.7%
Round Rock
9.8%
Round Rock +
Poor Mental Health
CDC PLACES — 14+ days/month
Joliet
17.7%
Round Rock
16.6%
Round Rock +
No Health Insurance
CDC PLACES
Joliet
13.9%
Joliet +
Round Rock
14.1%
Binge Drinking
CDC PLACES
Joliet
19.1%
Round Rock
17.3%
Round Rock +
Current Smokers
CDC PLACES
Joliet
14.0%
Round Rock
10.6%
Round Rock +
| Metric | Joliet, IL | Round Rock, TX | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 41.9% | 34.2% | Round Rock + |
| Diabetes RateCDC PLACES | 11.7% | 9.8% | Round Rock + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 17.7% | 16.6% | Round Rock + |
| No Health InsuranceCDC PLACES | 13.9% | 14.1% | Joliet + |
| Binge DrinkingCDC PLACES | 19.1% | 17.3% | Round Rock + |
| Current SmokersCDC PLACES | 14.0% | 10.6% | Round Rock + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Joliet
50.6°F
Round Rock
N/A
Annual Precipitation
NOAA 1991–2020 normal
Joliet
36.8 in
Round Rock
35.7 in
Round Rock +
| Metric | Joliet, IL | Round Rock, TX | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | 50.6°F | N/A | - |
| Annual PrecipitationNOAA 1991–2020 normal | 36.8 in | 35.7 in | Round Rock + |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Joliet
9.4 µg/m³
Round Rock
9.2 µg/m³
Round Rock +
Good Air Days
AQI ≤ 50
Joliet
55.0%
Round Rock
55.0%
Tie
| Metric | Joliet, IL | Round Rock, TX | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 9.4 µg/m³ | 9.2 µg/m³ | Round Rock + |
| Good Air DaysAQI ≤ 50 | 55.0% | 55.0% | Tie |
Commute
Mean Commute Time
Census ACS
Joliet
31.7 min
Round Rock
26.1 min
Round Rock +
| Metric | Joliet, IL | Round Rock, TX | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 31.7 min | 26.1 min | Round Rock + |
Which City is Right for You?
Round Rock leads in median household income at $97,187, while joliet offers more affordable housing with a median home price of $264,637. On public safety, Joliet is safer with a violent crime rate of 344 per 100,000 residents, compared to 442 in Round Rock. Round Rock has a lower unemployment rate at 3.6%, and Round Rock has cleaner air (PM2.5 avg 9.2 µg/m³). For overall health outcomes, Round Rock scores better with a lower obesity rate of 34.2%.
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