ZIP Code 61370
About Tonica
Tonica is a village in LaSalle County, Illinois, United States. The population was 749 at the 2020 census, down from 768 at the 2010 census. It is part of the Ottawa Micropolitan Statistical Area.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,250
population
$82,917
median household income
28
people / sq mi
$153,300
median home value
$850
median gross rent
43.0
median age
552
housing units
504
households
44.6
land area (sq mi)