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Illinois ZIP Codes
La Salle County
Utica, IL
61373
61373 ZIP Code — Utica, IL
La Salle County, Illinois
ZIP code 61373 is located in
Utica ,
Illinois ,
within La Salle County .
It covers approximately 47.04 square miles and serves a population of
2,117 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 815 .
About ZIP code 61373
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 $211,900. Owner-occupancy is high at 87%, well above the national average.
Median household income is $100,231. The poverty rate of 3% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.
Educational attainment is near the national average, with 24% of residents holding a bachelor's degree or higher.
Overall, ZIP code 61373 reflects a community defined by high homeownership and a significant Social Security-dependent population.
61373 ZIP code map
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Cities in ZIP code 61373
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,117
Population density
45 / sq mi
State FIPS
17
County FIPS
099
Geography
Land area
47.04 sq mi
Water area
0.15 sq mi
Latitude
41.3954
Longitude
-89.0075
Timezone
Central (CT)
Area code
815
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
24.7%
42.9%
37.2%
$50k – $100k
40.3%
33.7%
29.6%
$100k – $200k
30.2%
20.0%
24.4%
Over $200k
4.8%
3.4%
8.8%
Demographics & statistics
$100,231
Median household income
$211,900
Median home value
$1,118
Median monthly rent
23.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 523 24.7%
18 and over 1,594 75.3%
65 and over 319 15.1%
Median age 44.7 years
Race & ethnicity
Group Count %
White 2,011 92.2%
Two or more races 91 4.2%
Hispanic or Latino 63 2.9%
Other race 15 0.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
24.7%
42.9%
37.2%
$50k – $100k
40.3%
33.7%
29.6%
$100k – $200k
30.2%
20.0%
24.4%
Over $200k
4.8%
3.4%
8.8%
Range % of households
Under $10k 0.8%
$10k–$15k 0.5%
$15k–$25k 4.0%
$25k–$35k 4.5%
$35k–$50k 9.1%
$50k–$75k 20.3%
$75k–$100k 10.4%
$100k–$150k 27.4%
$150k–$200k 17.1%
$200k+ 5.8%
Median income $100,231
Housing
Housing overview
Metric Value
Median home value $211,900
Median rent / month $1,118
Owner occupied 87.4%
Renter occupied 12.6%
Vacant 15.8%
Single-family detached 92.3%
Large apartment buildings 0.0%
Mobile homes 4.4%
Median rooms 6.6
Avg household size (owned) 2.73
Year built
Era %
2020 or later 0.0%
2010–2019 3.6%
2000–2009 14.2%
1990–1999 21.8%
1980–1989 7.6%
1970–1979 13.4%
1960–1969 4.7%
1950–1959 4.8%
1940–1949 4.1%
1939 or earlier 25.9%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 16.4%
3 bedrooms 53.5%
4 bedrooms 26.0%
5+ bedrooms 4.1%
Vehicles per household
Vehicles % of households
No vehicle 0.4%
1 vehicle 20.5%
2 vehicles 49.0%
3 or more 30.1%
Heating fuel
Fuel type %
Utility gas 80.3%
Electricity 5.0%
Propane / LP gas 11.3%
Wood 3.3%
Households & families
Household type Count %
Married-couple family 582 74.9%
Cohabiting couple 27 3.5%
Male householder, no spouse 67 8.6%
Female householder, no spouse 101 13.0%
Households with children under 18 276 35.5%
Households with seniors (65+) 207 26.6%
Average household size 2.72
Marital status
Status Male Female
Never married 20.4% 17.0%
Married 72.3% 72.3%
Separated 1.0% 0.0%
Widowed 0.2% 6.0%
Divorced 6.1% 4.8%
Education
Some college, no degree
20.1%
Graduate / professional
9.3%
Metric %
HS diploma or higher 95.3%
Bachelor's or higher 23.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 19 4.3%
Kindergarten 47 10.6%
Elementary school 235 52.9%
High school 95 21.4%
College / grad school 48 10.8%
Employment
Industry of employment
Education & healthcare
16.3%
Agriculture & mining
8.8%
Transportation & utilities
7.3%
Professional & management
7.1%
Arts, food & hospitality
5.9%
Finance & real estate
5.2%
Public administration
5.0%
Occupation
Category %
Management, business & arts 32.9%
Service 19.1%
Sales & office 20.6%
Natural resources & construction 11.8%
Production & transportation 15.6%
Employment type
Type %
Private sector 67.2%
Government 16.6%
Self-employed 16.2%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 80.9%
Carpool 4.5%
Public transit 0.0%
Walk 2.5%
Work from home 10.8%
Other means 1.3%
Avg commute (minutes) 25.0
Poverty
Married-couple families
2.2%
Female-led households
0.0%
Income support
Source % of households
Social Security 32.4%
Retirement income 29.9%
Supplemental Security 1.3%
Cash public assistance 0.9%
Food stamps / SNAP 4.2%
Health indicators
Condition %
Obesity 33.3%
High blood pressure 32.1%
High cholesterol 34.0%
Diabetes 9.3%
Heart disease 6.2%
Stroke 2.8%
Asthma 9.3%
Arthritis 26.1%
Kidney disease 2.7%
Pulmonary disease 6.7%
Cancer 7.1%
Behavior / access %
Smoking 17.6%
Binge drinking 16.0%
No physical activity 22.1%
Less than 7 hrs sleep 32.3%
Depression 17.4%
Fair or poor health 12.4%
Poor mental health 12.3%
Poor physical health 9.3%
No health insurance 9.5%
Visited doctor (checkup) 76.0%
Visited dentist 68.6%
Cholesterol screening 90.9%
Teeth loss 11.7%
Veterans & disability
Veterans Count %
Civilian veterans 71 4.5%
Disability %
Any disability 8.7%
Under 18 2.3%
18–64 years 8.2%
65 and over 21.6%
Health insurance coverage
Type %
Private insurance 83.0%
Public insurance 27.9%
No insurance 3.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,986 93.8%
Spanish 20 1.0%
Other Indo-European 8 0.4%
Asian & Pacific Islander 12 0.6%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 2,075 98.0%
Born in same state 2,062 97.4%
Born in different state 1,889 89.2%
Foreign born 13 0.6%
Naturalized citizen 42 2.0%
Not a US citizen 17 40.5%
Ancestry
Ancestry Count %
Italian 374 17.7%
Polish 253 12%
French 205 9.7%
Arab 47 2.2%
Norwegian 42 2%
Ancestry Count %
English 38 1.8%
Irish 25 1.2%
Dutch 3 0.1%
German 1 0%
Technology access
Metric % of households
Computer access 36.7%
Internet access 94.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61373
What city is ZIP code 61373 in?
ZIP code 61373 is primarily assigned to Utica, Illinois.
What county is ZIP code 61373 in?
ZIP code 61373 falls within La Salle County, Illinois.
Is ZIP code 61373 mostly owner-occupied?
87% of occupied units in ZIP code 61373 are owner-occupied, well above the national average.
What is the population of ZIP code 61373?
ZIP code 61373 has an estimated population of 2,117 residents, with a density of 45 people per square mile.
What is the median household income in ZIP code 61373?
The median household income in ZIP code 61373 is $100,231, above the national median of ~$75,000.
What is the typical home value in ZIP code 61373?
The median home value in ZIP code 61373 is $211,900.
What timezone is ZIP code 61373 in?
ZIP code 61373 observes the CST timezone.
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