Alexander   County IL United States

County FIPS 17003
Largest City Cairo
State Illinois
Latitude 37.1915
Longitude -89.3375
Population 4,875
Density 20.73 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $47,043
Median individual: $32,035

Race

Mode: 63.0% White

Gender

 50.9% female 

Rent

  $656 / month  

Median house value: $74,199.0

Age

Median: 48.0 years old

Education

With at least college degree: 12.6%
With STEM degree: 33.9%

Marital Status

 41.6% married 

Never married: 29.8%

Labor Force Participation

 49.1% working 

Unemployed: 6.5%

Average Family Size

 3.37 people 

Commute Time

 30.6 minutes 

Health Care

 9.5% uninsured 

Poverty

 19.0%

All data comes from the SimpleMaps US Counties Database, 2026.

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