60543 ZIP Code — Oswego, IL
Kendall County, Illinois
ZIP code 60543 is located in Oswego, Illinois, within Kendall County. It covers approximately 41.95 square miles and serves a population of 40,714 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 331/630.
About ZIP code 60543
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $303,500. Owner-occupancy is high at 87%, well above the national average.
Median household income is $108,924. The poverty rate of 3% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.
Educational attainment is near the national average, with 42% of residents holding a bachelor's degree or higher.
40,714
population
41.95
sq mi land
Standard
ZIP type
Central (CT)
timezone
60543 ZIP code map
Cities in ZIP code 60543
Below are the cities the US Postal Service accepts for ZIP code 60543. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Oswego | Preferred |
Nearby ZIP codes
60538 Montgomery (3.8 mi)
60503 Aurora (5 mi)
60512 Bristol (5.4 mi)
60560 Yorkville (6.6 mi)
60568 Aurora (6.7 mi)
60544 Plainfield (6.8 mi)
60585 Plainfield (7 mi)
60505 Aurora (7.3 mi)
60564 Naperville (7.4 mi)
60504 Aurora (7.4 mi)
60506 Aurora (7.5 mi)
60572 Aurora (7.9 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 40,714 |
| Population density | 971 / sq mi |
| State FIPS | 17 |
| County FIPS | 093 |
| Geography | |
|---|---|
| Land area | 41.95 sq mi |
| Water area | 0.48 sq mi |
| Latitude | 41.6643 |
| Longitude | -88.3343 |
| Timezone | Central (CT) |
| Area code | 331/630 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 17.8% | 19.5% | 37.2% |
| $50k – $100k | 34.8% | 33.9% | 29.6% |
| $100k – $200k | 35.2% | 37.3% | 24.4% |
| Over $200k | 12.2% | 9.3% | 8.8% |
Demographics & statistics
40,714
Population
971
People per sq mi
39.8
Median age
$108,924
Median household income
$44,503
Per capita income
$303,500
Median home value
$1,494
Median monthly rent
86.7%
Home ownership
2.8%
Poverty rate
3.0%
Unemployment
12,563
Housing units
41.8%
Bachelor's or higher
Age distribution
Male
Female
1,099
Under 5
1,109
1,456
5–9
1,469
1,577
10–14
1,592
1,676
15–19
1,692
1,019
20–24
1,028
2,139
25–34
2,158
3,053
35–44
3,080
3,151
45–54
3,179
1,441
55–59
1,454
1,002
60–64
1,011
1,493
65–74
1,507
861
75–84
869
298
85+
301
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 10,665 | 26.2% |
| 18 and over | 30,049 | 73.8% |
| 65 and over | 5,329 | 13.1% |
| Median age | 39.8 years | |
Race & ethnicity
White
65.8%
Two or more races
10.9%
Hispanic or Latino
10.3%
Black or African American
7.8%
Other race
2.6%
Asian
2.3%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 29,889 | 65.8% |
| Two or more races | 4,948 | 10.9% |
| Hispanic or Latino | 4,690 | 10.3% |
| Black or African American | 3,558 | 7.8% |
| Other race | 1,170 | 2.6% |
| Asian | 1,062 | 2.3% |
| American Indian / Alaska Native | 87 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 17.8% | 19.5% | 37.2% |
| $50k – $100k | 34.8% | 33.9% | 29.6% |
| $100k – $200k | 35.2% | 37.3% | 24.4% |
| Over $200k | 12.2% | 9.3% | 8.8% |
Under $10k
2.9%
$10k–$15k
0.7%
$15k–$25k
1.8%
$25k–$35k
3.7%
$35k–$50k
7.0%
$50k–$75k
14.1%
$75k–$100k
14.3%
$100k–$150k
26.4%
$150k–$200k
13.9%
$200k+
15.2%
| Range | % of households |
|---|---|
| Under $10k | 2.9% |
| $10k–$15k | 0.7% |
| $15k–$25k | 1.8% |
| $25k–$35k | 3.7% |
| $35k–$50k | 7.0% |
| $50k–$75k | 14.1% |
| $75k–$100k | 14.3% |
| $100k–$150k | 26.4% |
| $150k–$200k | 13.9% |
| $200k+ | 15.2% |
| Median income | $108,924 |
Housing
Home values
Under $50k
1.5%
$50k–$100k
1.2%
$100k–$150k
3.2%
$150k–$200k
11.6%
$200k–$300k
31.3%
$300k–$500k
46.6%
$500k–$1M
4.3%
$1M+
0.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $303,500 |
| Median rent / month | $1,494 |
| Owner occupied | 86.7% |
| Renter occupied | 13.3% |
| Vacant | 0.6% |
| Single-family detached | 71.3% |
| Large apartment buildings | 1.7% |
| Mobile homes | 0.0% |
| Median rooms | 7.0 |
| Avg household size (owned) | 2.93 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.7% |
| 2010–2019 | 7.2% |
| 2000–2009 | 37.3% |
| 1990–1999 | 28.4% |
| 1980–1989 | 6.4% |
| 1970–1979 | 8.6% |
| 1960–1969 | 4.1% |
| 1950–1959 | 2.6% |
| 1940–1949 | 0.7% |
| 1939 or earlier | 3.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.2% |
| 1 bedroom | 5.5% |
| 2 bedrooms | 20.3% |
| 3 bedrooms | 32.9% |
| 4 bedrooms | 34.5% |
| 5+ bedrooms | 6.6% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.3% |
| 1 vehicle | 25.7% |
| 2 vehicles | 39.6% |
| 3 or more | 31.4% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 89.8% |
| Electricity | 7.0% |
| Propane / LP gas | 2.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9,001 | 62.5% |
| Cohabiting couple | 685 | 4.8% |
| Male householder, no spouse | 1,744 | 12.1% |
| Female householder, no spouse | 2,968 | 20.6% |
| Households with children under 18 | 5,619 | 39.0% |
| Households with seniors (65+) | 3,832 | 26.6% |
| Average household size | 2.82 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 33.2% | 25.5% |
| Married | 57.4% | 56.4% |
| Separated | 1.8% | 2.1% |
| Widowed | 0.9% | 6.2% |
| Divorced | 6.7% | 9.8% |
Education
Less than 9th grade
3.2%
Some HS, no diploma
2.6%
HS graduate
21.1%
Some college, no degree
19.4%
Associate's degree
11.9%
Bachelor's degree
23.8%
Graduate / professional
17.9%
| Metric | % |
|---|---|
| HS diploma or higher | 94.2% |
| Bachelor's or higher | 41.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 584 | 5.3% |
| Kindergarten | 447 | 4.0% |
| Elementary school | 4,970 | 44.7% |
| High school | 3,055 | 27.5% |
| College / grad school | 2,052 | 18.5% |
Employment
Industry of employment
Education & healthcare
25.0%
Retail trade
13.6%
Professional & management
9.4%
Manufacturing
8.5%
Construction
8.3%
Finance & real estate
8.1%
Arts, food & hospitality
7.3%
Transportation & utilities
5.2%
Wholesale trade
3.9%
Other services
3.9%
Public administration
3.9%
Information
2.3%
Agriculture & mining
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 46.4% |
| Service | 11.5% |
| Sales & office | 20.1% |
| Natural resources & construction | 8.9% |
| Production & transportation | 13.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.7% |
| Government | 15.4% |
| Self-employed | 3.2% |
| Unpaid family workers | 0.7% |
Commute
| Method | % |
|---|---|
| Drive alone | 76.0% |
| Carpool | 8.7% |
| Public transit | 0.8% |
| Walk | 0.4% |
| Work from home | 13.3% |
| Other means | 0.8% |
| Avg commute (minutes) | 31.3 |
Poverty
All people
2.8%
Under 18 years
0.6%
18 and over
3.6%
Married-couple families
0.4%
Female-led households
3.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.9% |
| Retirement income | 27.1% |
| Supplemental Security | 2.0% |
| Cash public assistance | 2.2% |
| Food stamps / SNAP | 8.9% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 34.8% |
| High blood pressure | 25.1% |
| High cholesterol | 28.7% |
| Diabetes | 7.0% |
| Heart disease | 3.9% |
| Stroke | 1.8% |
| Asthma | 9.0% |
| Arthritis | 19.3% |
| Kidney disease | 1.9% |
| Pulmonary disease | 4.2% |
| Cancer | 5.1% |
| Behavior / access | % |
|---|---|
| Smoking | 14.4% |
| Binge drinking | 17.6% |
| No physical activity | 18.6% |
| Less than 7 hrs sleep | 31.8% |
| Depression | 16.2% |
| Fair or poor health | 9.5% |
| Poor mental health | 11.9% |
| Poor physical health | 7.0% |
| No health insurance | 9.8% |
| Visited doctor (checkup) | 74.1% |
| Visited dentist | 71.6% |
| Cholesterol screening | 90.5% |
| Teeth loss | 9.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,521 | 5.1% |
| Disability | % |
|---|---|
| Any disability | 6.8% |
| Under 18 | 2.7% |
| 18–64 years | 6.0% |
| 65 and over | 18.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 81.2% |
| Public insurance | 25.0% |
| No insurance | 4.8% |
| Uninsured under 19 | 2.2% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 38,506 | 94.6% |
| Spanish | 2,517 | 6.5% |
| Other Indo-European | 1,474 | 3.8% |
| Asian & Pacific Islander | 683 | 1.8% |
| Other languages | 307 | 0.8% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 35,334 | 86.8% |
| Born in same state | 34,774 | 85.4% |
| Born in different state | 28,661 | 70.4% |
| Foreign born | 560 | 1.4% |
| Naturalized citizen | 5,380 | 13.2% |
| Not a US citizen | 2,700 | 50.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 5,787 | 14.2% |
| French | 3,292 | 8.1% |
| Arab | 949 | 2.3% |
| Norwegian | 717 | 1.8% |
| Polish | 604 | 1.5% |
| Ancestry | Count | % |
|---|---|---|
| English | 558 | 1.4% |
| Dutch | 252 | 0.6% |
| Irish | 178 | 0.4% |
| German | 96 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 35.4% |
| Internet access | 98.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 60543
What city is ZIP code 60543 in?
ZIP code 60543 is primarily assigned to Oswego, Illinois.
What county is ZIP code 60543 in?
ZIP code 60543 falls within Kendall County, Illinois.
Is ZIP code 60543 mostly owner-occupied?
87% of occupied units in ZIP code 60543 are owner-occupied, well above the national average.
What is the median household income in ZIP code 60543?
The median household income in ZIP code 60543 is $108,924, above the national median of ~$75,000.
What is the population of ZIP code 60543?
ZIP code 60543 has an estimated population of 40,714 residents, with a density of 971 people per square mile.
What is the typical home value in ZIP code 60543?
The median home value in ZIP code 60543 is $303,500.
What timezone is ZIP code 60543 in?
ZIP code 60543 observes the CST timezone.