61360   Zip Code Seneca LaSalle IL United States

City Seneca
County LaSalle
State Illinois
Latitude 41.33439
Longitude -88.60522
Population 3,610
Density 76.17 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: $95,093
Median individual: $50,848

Race

Mode: 91.2% White

Gender

 53.7% male 

Rent

  $1159 / month  

Median house value: $257,477.0

Age

Median: 37.9 years old

Education

With at least college degree: 16.0%
With STEM degree: 36.4%

Marital Status

 56.7% married 

Never married: 26.4%

Labor Force Participation

 58.6% working 

Unemployed: 2.3%

Average Family Size

 2.97 people 

Commute Time

 27.0 minutes 

Health Care

 4.1% uninsured 

Poverty

 17.7%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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