Joliet IL vs St. Louis MO — 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%

St. Louis, MO

Missouri · Population: 293,109

  • Median HH Income$55,279
  • Median Home Price$185,100
  • Unemployment5.1%
  • Bachelor's+40.2%

Detailed Comparison

Demographics

Population
Joliet
149,785
St. Louis
293,109
St. Louis +
Pop. Density / sq mi
Lower = more space
Joliet
N/A
St. Louis
N/A
Median Age
Joliet
35.3
Joliet +
St. Louis
36.6
Foreign Born
Joliet
15.2%
Joliet +
St. Louis
6.6%
White
Joliet
52.7%
Joliet +
St. Louis
45.7%
Black
Joliet
17.0%
St. Louis
43.1%
St. Louis +
Asian
Joliet
2.1%
St. Louis
3.4%
St. Louis +
Hispanic
Joliet
34.7%
Joliet +
St. Louis
5.1%
Spanish at Home
Joliet
N/A
St. Louis
N/A

Economy

Median HH Income
Joliet
$88,026
Joliet +
St. Louis
$55,279
Per Capita Income
Joliet
$35,820
St. Louis
$38,947
St. Louis +
Per Capita Personal Income (MSA)
BEA MSA-level
Joliet
$68,110
Joliet +
St. Louis
$58,527
Unemployment Rate
Joliet
5.8%
St. Louis
5.1%
St. Louis +
Poverty Rate
Joliet
11.0%
Joliet +
St. Louis
19.8%
Bachelor's Degree+
Joliet
25.0%
St. Louis
40.2%
St. Louis +

Housing

Median Home Value
Zillow ZHVI / Census ACS
Joliet
$264,637
St. Louis
$185,100
St. Louis +
Homeownership Rate
Joliet
73.1%
Joliet +
St. Louis
45.4%

Safety

Violent Crime / 100K
FBI CDE (state-level est.)
Joliet
344
Joliet +
St. Louis
501
Property Crime / 100K
FBI CDE (state-level est.)
Joliet
1842
Joliet +
St. Louis
2418

Health

Obesity Rate
CDC PLACES
Joliet
41.9%
St. Louis
36.8%
St. Louis +
Diabetes Rate
CDC PLACES
Joliet
11.7%
Joliet +
St. Louis
13.2%
Poor Mental Health
CDC PLACES — 14+ days/month
Joliet
17.7%
Joliet +
St. Louis
18.8%
No Health Insurance
CDC PLACES
Joliet
13.9%
St. Louis
9.4%
St. Louis +
Binge Drinking
CDC PLACES
Joliet
19.1%
St. Louis
17.9%
St. Louis +
Current Smokers
CDC PLACES
Joliet
14.0%
Joliet +
St. Louis
16.8%

Climate

Avg Annual Temp
NOAA 1991–2020 normal
Joliet
50.6°F
St. Louis
N/A
Annual Precipitation
NOAA 1991–2020 normal
Joliet
36.8 in
St. Louis
N/A

Air Quality

PM2.5 Annual Avg
EPA AQS (state-level est.)
Joliet
9.4 µg/m³
St. Louis
9.3 µg/m³
St. Louis +
Good Air Days
AQI ≤ 50
Joliet
55.0%
St. Louis
55.0%
Tie

Commute

Mean Commute Time
Census ACS
Joliet
31.7 min
St. Louis
24.0 min
St. Louis +

Which City is Right for You?

Joliet leads in median household income at $88,026, while st. Louis offers more affordable housing with a median home price of $185,100. On public safety, Joliet is safer with a violent crime rate of 344 per 100,000 residents, compared to 501 in St. Louis. St. Louis has a lower unemployment rate at 5.1%, and St. Louis has cleaner air (PM2.5 avg 9.3 µg/m³). For overall health outcomes, St. Louis scores better with a lower obesity rate of 36.8%.

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About Joliet & St. Louis