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Illinois ZIP Codes
La Salle County
Tonica, IL
61370
61370 ZIP Code — Tonica, IL
La Salle County, Illinois
ZIP code 61370 is located in
Tonica ,
Illinois ,
within La Salle County .
It covers approximately 44.60 square miles and serves a population of
1,168 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 815/779 .
About ZIP code 61370
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $148,000. Owner-occupancy is high at 82%, well above the national average.
Median household income is $81,875. 32% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with retail trade as the leading industry. The average commute of 33 minutes is near the national average.
College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 61370 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
61370 ZIP code map
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Cities in ZIP code 61370
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
1,168
Population density
26 / sq mi
State FIPS
17
County FIPS
099
Geography
Land area
44.60 sq mi
Water area
0.04 sq mi
Latitude
41.2094
Longitude
-89.0504
Timezone
Central (CT)
Area code
815/779
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
34.4%
42.9%
37.2%
$50k – $100k
37.2%
33.7%
29.6%
$100k – $200k
26.2%
20.0%
24.4%
Over $200k
2.3%
3.4%
8.8%
Demographics & statistics
$81,875
Median household income
$148,000
Median home value
17.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 248 21.2%
18 and over 920 78.8%
65 and over 201 17.2%
Median age 41.8 years
Race & ethnicity
Black or African American
1.2%
Group Count %
White 1,064 86.2%
Hispanic or Latino 67 5.4%
Other race 47 3.8%
Two or more races 33 2.7%
Black or African American 15 1.2%
Asian 9 0.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
34.4%
42.9%
37.2%
$50k – $100k
37.2%
33.7%
29.6%
$100k – $200k
26.2%
20.0%
24.4%
Over $200k
2.3%
3.4%
8.8%
Range % of households
Under $10k 1.6%
$10k–$15k 4.1%
$15k–$25k 4.1%
$25k–$35k 9.0%
$35k–$50k 15.0%
$50k–$75k 12.5%
$75k–$100k 21.6%
$100k–$150k 18.3%
$150k–$200k 9.7%
$200k+ 4.1%
Median income $81,875
Housing
Housing overview
Metric Value
Median home value $148,000
Median rent / month $730
Owner occupied 82.1%
Renter occupied 17.9%
Vacant 11.5%
Single-family detached 89.6%
Large apartment buildings 0.0%
Mobile homes 1.3%
Median rooms 6.5
Avg household size (owned) 2.56
Year built
Era %
2020 or later 0.0%
2010–2019 4.4%
2000–2009 20.5%
1990–1999 4.5%
1980–1989 5.6%
1970–1979 9.6%
1960–1969 8.7%
1950–1959 9.1%
1940–1949 4.7%
1939 or earlier 32.7%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 8.0%
2 bedrooms 23.1%
3 bedrooms 42.2%
4 bedrooms 20.4%
5+ bedrooms 6.4%
Vehicles per household
Vehicles % of households
No vehicle 7.2%
1 vehicle 21.6%
2 vehicles 41.5%
3 or more 29.8%
Heating fuel
Fuel type %
Utility gas 62.8%
Electricity 12.5%
Propane / LP gas 22.2%
Wood 0.8%
Households & families
Household type Count %
Married-couple family 252 51.7%
Cohabiting couple 42 8.6%
Male householder, no spouse 107 22.0%
Female householder, no spouse 86 17.7%
Households with children under 18 133 27.3%
Households with seniors (65+) 145 29.8%
Average household size 2.40
Marital status
Status Male Female
Never married 36.4% 23.1%
Married 49.8% 58.2%
Separated 0.9% 2.0%
Widowed 1.3% 9.0%
Divorced 11.5% 7.6%
Education
Some college, no degree
25.7%
Graduate / professional
9.1%
Metric %
HS diploma or higher 93.5%
Bachelor's or higher 17.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 8 2.6%
Kindergarten 16 5.2%
Elementary school 107 35.1%
High school 106 34.8%
College / grad school 68 22.3%
Employment
Industry of employment
Education & healthcare
16.5%
Transportation & utilities
11.8%
Arts, food & hospitality
8.0%
Professional & management
6.4%
Agriculture & mining
5.2%
Public administration
4.6%
Finance & real estate
2.5%
Occupation
Category %
Management, business & arts 27.0%
Service 19.9%
Sales & office 22.2%
Natural resources & construction 9.5%
Production & transportation 21.4%
Employment type
Type %
Private sector 83.2%
Government 10.3%
Self-employed 6.5%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 77.5%
Carpool 10.5%
Public transit 0.0%
Walk 2.0%
Work from home 8.9%
Other means 1.1%
Avg commute (minutes) 33.4
Poverty
Married-couple families
2.0%
Female-led households
15.2%
Income support
Source % of households
Social Security 31.6%
Retirement income 29.2%
Supplemental Security 4.7%
Cash public assistance 2.1%
Food stamps / SNAP 6.0%
Health indicators
Condition %
Obesity 34.5%
High blood pressure 33.6%
High cholesterol 33.6%
Diabetes 10.1%
Heart disease 7.0%
Stroke 3.2%
Asthma 9.5%
Arthritis 27.3%
Kidney disease 3.0%
Pulmonary disease 7.5%
Cancer 7.3%
Behavior / access %
Smoking 19.2%
Binge drinking 15.7%
No physical activity 24.3%
Less than 7 hrs sleep 32.9%
Depression 17.5%
Fair or poor health 14.1%
Poor mental health 12.6%
Poor physical health 10.1%
No health insurance 10.9%
Visited doctor (checkup) 76.0%
Visited dentist 65.1%
Cholesterol screening 90.2%
Teeth loss 13.9%
Veterans & disability
Veterans Count %
Civilian veterans 61 6.6%
Disability %
Any disability 11.4%
Under 18 5.2%
18–64 years 8.6%
65 and over 28.9%
Health insurance coverage
Type %
Private insurance 75.0%
Public insurance 30.7%
No insurance 8.2%
Uninsured under 19 6.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,137 97.3%
Spanish 12 1.1%
Other Indo-European 10 0.9%
Asian & Pacific Islander 0 0.0%
Other languages 2 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 1,147 98.2%
Born in same state 1,140 97.6%
Born in different state 1,061 90.8%
Foreign born 7 0.6%
Naturalized citizen 21 1.8%
Not a US citizen 12 57.1%
Ancestry
Ancestry Count %
Italian 148 12.7%
French 116 9.9%
Arab 26 2.2%
Ancestry Count %
Norwegian 6 0.5%
Polish 2 0.2%
Technology access
Metric % of households
Computer access 41.7%
Internet access 91.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61370
What city is ZIP code 61370 in?
ZIP code 61370 is primarily assigned to Tonica, Illinois.
What county is ZIP code 61370 in?
ZIP code 61370 falls within La Salle County, Illinois.
Is ZIP code 61370 mostly owner-occupied?
82% of occupied units in ZIP code 61370 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 61370?
The median home value in ZIP code 61370 is $148,000.
What is the population of ZIP code 61370?
ZIP code 61370 has an estimated population of 1,168 residents, with a density of 26 people per square mile.
What is the median household income in ZIP code 61370?
The median household income in ZIP code 61370 is $81,875, above the national median of ~$75,000.
What timezone is ZIP code 61370 in?
ZIP code 61370 observes the CST timezone.
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