61342 ZIP Code — Mendota, IL
La Salle County, Illinois
ZIP code 61342 is located in Mendota, Illinois, within La Salle County. It covers approximately 108.16 square miles and serves a population of 8,389 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815.
About ZIP code 61342
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 $131,300. Owner-occupancy sits near the national average at 75%.
Median household income is $66,967. 31% 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 22 minutes is near the national average.
College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.
8,389
population
108.16
sq mi land
Standard
ZIP type
Central (CT)
timezone
61342 ZIP code map
Cities in ZIP code 61342
Below are the cities the US Postal Service accepts for ZIP code 61342. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Mendota | Acceptable |
| Mendota | Preferred |
Nearby ZIP codes
60518 Earlville (7.6 mi)
61353 Paw Paw (10.3 mi)
61330 La Moille (10.7 mi)
61318 Compton (11 mi)
61373 Utica (11.6 mi)
61367 Sublette (11.6 mi)
61301 La Salle (11.9 mi)
61312 Arlington (12 mi)
61378 West Brooklyn (12.4 mi)
61329 Ladd (13.9 mi)
61320 Dalzell (14.7 mi)
61337 Malden (15.1 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 8,389 |
| Population density | 78 / sq mi |
| State FIPS | 17 |
| County FIPS | 099 |
| Geography | |
|---|---|
| Land area | 108.16 sq mi |
| Water area | 0.14 sq mi |
| Latitude | 41.5561 |
| Longitude | -89.0738 |
| Timezone | Central (CT) |
| Area code | 815 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 40.4% | 42.9% | 37.2% |
| $50k – $100k | 33.3% | 33.7% | 29.6% |
| $100k – $200k | 21.7% | 20.0% | 24.4% |
| Over $200k | 4.6% | 3.4% | 8.8% |
Demographics & statistics
8,389
Population
78
People per sq mi
41.3
Median age
$66,967
Median household income
$33,894
Per capita income
$131,300
Median home value
$791
Median monthly rent
74.6%
Home ownership
8.2%
Poverty rate
3.4%
Unemployment
2,895
Housing units
20.3%
Bachelor's or higher
Age distribution
Male
Female
207
Under 5
207
303
5–9
305
255
10–14
257
235
15–19
236
353
20–24
354
441
25–34
443
442
35–44
443
564
45–54
567
322
55–59
323
214
60–64
214
458
65–74
460
244
75–84
245
148
85+
149
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,848 | 22.0% |
| 18 and over | 6,541 | 78.0% |
| 65 and over | 1,704 | 20.3% |
| Median age | 41.3 years | |
Race & ethnicity
White
73.1%
Hispanic or Latino
11.7%
Other race
10.4%
Two or more races
2.7%
Asian
1.3%
Black or African American
0.6%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 6,949 | 73.1% |
| Hispanic or Latino | 1,111 | 11.7% |
| Other race | 984 | 10.4% |
| Two or more races | 259 | 2.7% |
| Asian | 121 | 1.3% |
| Black or African American | 60 | 0.6% |
| American Indian / Alaska Native | 16 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 40.4% | 42.9% | 37.2% |
| $50k – $100k | 33.3% | 33.7% | 29.6% |
| $100k – $200k | 21.7% | 20.0% | 24.4% |
| Over $200k | 4.6% | 3.4% | 8.8% |
Under $10k
4.6%
$10k–$15k
3.0%
$15k–$25k
9.6%
$25k–$35k
9.5%
$35k–$50k
16.3%
$50k–$75k
14.3%
$75k–$100k
14.0%
$100k–$150k
14.9%
$150k–$200k
8.3%
$200k+
5.5%
| Range | % of households |
|---|---|
| Under $10k | 4.6% |
| $10k–$15k | 3.0% |
| $15k–$25k | 9.6% |
| $25k–$35k | 9.5% |
| $35k–$50k | 16.3% |
| $50k–$75k | 14.3% |
| $75k–$100k | 14.0% |
| $100k–$150k | 14.9% |
| $150k–$200k | 8.3% |
| $200k+ | 5.5% |
| Median income | $66,967 |
Housing
Home values
Under $50k
5.8%
$50k–$100k
15.6%
$100k–$150k
43.3%
$150k–$200k
17.2%
$200k–$300k
9.4%
$300k–$500k
6.7%
$500k–$1M
2.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $131,300 |
| Median rent / month | $791 |
| Owner occupied | 74.6% |
| Renter occupied | 25.4% |
| Vacant | 9.1% |
| Single-family detached | 78.7% |
| Large apartment buildings | 3.8% |
| Mobile homes | 4.6% |
| Median rooms | 6.1 |
| Avg household size (owned) | 2.56 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.9% |
| 2010–2019 | 2.9% |
| 2000–2009 | 6.4% |
| 1990–1999 | 9.2% |
| 1980–1989 | 5.7% |
| 1970–1979 | 13.1% |
| 1960–1969 | 10.2% |
| 1950–1959 | 17.4% |
| 1940–1949 | 6.3% |
| 1939 or earlier | 28.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 3.5% |
| 1 bedroom | 6.6% |
| 2 bedrooms | 21.1% |
| 3 bedrooms | 51.8% |
| 4 bedrooms | 13.5% |
| 5+ bedrooms | 3.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 8.5% |
| 1 vehicle | 31.4% |
| 2 vehicles | 37.8% |
| 3 or more | 22.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 71.4% |
| Electricity | 17.8% |
| Propane / LP gas | 9.1% |
| Fuel oil | 0.6% |
| Wood | 0.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,722 | 50.3% |
| Cohabiting couple | 247 | 7.2% |
| Male householder, no spouse | 630 | 18.4% |
| Female householder, no spouse | 825 | 24.1% |
| Households with children under 18 | 1,012 | 29.6% |
| Households with seniors (65+) | 1,132 | 33.1% |
| Average household size | 2.40 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.4% | 28.3% |
| Married | 53.3% | 51.4% |
| Separated | 3.4% | 2.1% |
| Widowed | 4.0% | 7.8% |
| Divorced | 7.9% | 10.4% |
Education
Less than 9th grade
4.7%
Some HS, no diploma
6.5%
HS graduate
31.4%
Some college, no degree
23.2%
Associate's degree
13.9%
Bachelor's degree
12.4%
Graduate / professional
8.0%
| Metric | % |
|---|---|
| HS diploma or higher | 88.8% |
| Bachelor's or higher | 20.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 105 | 4.9% |
| Kindergarten | 165 | 7.8% |
| Elementary school | 915 | 43.0% |
| High school | 391 | 18.4% |
| College / grad school | 552 | 25.9% |
Employment
Industry of employment
Education & healthcare
23.6%
Manufacturing
20.7%
Retail trade
13.9%
Transportation & utilities
6.9%
Other services
5.9%
Construction
5.1%
Agriculture & mining
4.6%
Professional & management
4.5%
Arts, food & hospitality
4.3%
Finance & real estate
3.9%
Information
2.7%
Public administration
2.1%
Wholesale trade
1.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 36.5% |
| Service | 13.2% |
| Sales & office | 17.5% |
| Natural resources & construction | 9.3% |
| Production & transportation | 23.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 81.7% |
| Government | 11.0% |
| Self-employed | 7.4% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 86.1% |
| Carpool | 8.1% |
| Public transit | 0.0% |
| Walk | 1.3% |
| Work from home | 2.0% |
| Other means | 2.5% |
| Avg commute (minutes) | 21.9 |
Poverty
All people
8.2%
Under 18 years
12.9%
18 and over
6.9%
Married-couple families
0.5%
Female-led households
34.1%
Income support
| Source | % of households |
|---|---|
| Social Security | 30.5% |
| Retirement income | 21.1% |
| Supplemental Security | 3.2% |
| Cash public assistance | 3.0% |
| Food stamps / SNAP | 14.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 34.8% |
| High blood pressure | 34.2% |
| High cholesterol | 34.0% |
| Diabetes | 11.1% |
| Heart disease | 7.5% |
| Stroke | 3.5% |
| Asthma | 9.6% |
| Arthritis | 27.8% |
| Kidney disease | 3.3% |
| Pulmonary disease | 8.1% |
| Cancer | 7.4% |
| Behavior / access | % |
|---|---|
| Smoking | 18.9% |
| Binge drinking | 14.7% |
| No physical activity | 27.7% |
| Less than 7 hrs sleep | 32.8% |
| Depression | 17.3% |
| Fair or poor health | 16.6% |
| Poor mental health | 12.8% |
| Poor physical health | 11.0% |
| No health insurance | 14.8% |
| Visited doctor (checkup) | 76.1% |
| Visited dentist | 61.8% |
| Cholesterol screening | 89.1% |
| Teeth loss | 16.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 554 | 8.5% |
| Disability | % |
|---|---|
| Any disability | 12.7% |
| Under 18 | 4.0% |
| 18–64 years | 8.1% |
| 65 and over | 37.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 71.1% |
| Public insurance | 39.1% |
| No insurance | 4.1% |
| Uninsured under 19 | 3.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 7,975 | 95.1% |
| Spanish | 533 | 6.7% |
| Other Indo-European | 473 | 5.9% |
| Asian & Pacific Islander | 2 | 0.0% |
| Other languages | 58 | 0.7% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 7,805 | 93.0% |
| Born in same state | 7,792 | 92.9% |
| Born in different state | 6,879 | 82.0% |
| Foreign born | 13 | 0.2% |
| Naturalized citizen | 584 | 7.0% |
| Not a US citizen | 208 | 35.6% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 1,253 | 14.9% |
| French | 540 | 6.4% |
| Arab | 410 | 4.9% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 208 | 2.5% |
| English | 96 | 1.1% |
| Irish | 13 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.8% |
| Internet access | 93.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61342
What city is ZIP code 61342 in?
ZIP code 61342 is primarily assigned to Mendota, Illinois.
What county is ZIP code 61342 in?
ZIP code 61342 falls within La Salle County, Illinois.
What is the typical home value in ZIP code 61342?
The median home value in ZIP code 61342 is $131,300.
What is the population of ZIP code 61342?
ZIP code 61342 has an estimated population of 8,389 residents, with a density of 78 people per square mile.
What is the median household income in ZIP code 61342?
The median household income in ZIP code 61342 is $66,967, below the national median of ~$75,000.
What timezone is ZIP code 61342 in?
ZIP code 61342 observes the CST timezone.