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Illinois ZIP Codes
Mchenry County
Algonquin, IL
60102
60102 ZIP Code — Algonquin, IL
Mchenry County, Illinois
ZIP code 60102 is located in
Algonquin ,
Illinois ,
within Mchenry County .
It covers approximately 15.76 square miles and serves a population of
32,227 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 224/847 .
About ZIP code 60102
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $302,800. Owner-occupancy is high at 86%, well above the national average.
Median household income is $127,140. The poverty rate of 4% 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 33 minutes is near the national average.
Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.
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Cities in ZIP code 60102
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
32,227
Population density
2,045 / sq mi
State FIPS
17
County FIPS
111
Geography
Land area
15.76 sq mi
Water area
0.44 sq mi
Latitude
42.1581
Longitude
-88.3123
Timezone
Central (CT)
Area code
224/847
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.6%
25.9%
37.2%
$50k – $100k
25.9%
30.8%
29.6%
$100k – $200k
40.3%
32.6%
24.4%
Over $200k
15.2%
10.6%
8.8%
Demographics & statistics
$127,140
Median household income
$302,800
Median home value
$1,823
Median monthly rent
42.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 6,564 20.4%
18 and over 25,663 79.6%
65 and over 4,499 14.0%
Median age 41.8 years
Race & ethnicity
Black or African American
1.8%
American Indian / Alaska Native
0.7%
Group Count %
White 27,030 79.4%
Hispanic or Latino 1,832 5.4%
Two or more races 1,771 5.2%
Asian 1,680 4.9%
Other race 868 2.5%
Black or African American 627 1.8%
American Indian / Alaska Native 251 0.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
18.6%
25.9%
37.2%
$50k – $100k
25.9%
30.8%
29.6%
$100k – $200k
40.3%
32.6%
24.4%
Over $200k
15.2%
10.6%
8.8%
Range % of households
Under $10k 1.5%
$10k–$15k 1.5%
$15k–$25k 2.5%
$25k–$35k 3.3%
$35k–$50k 5.3%
$50k–$75k 10.3%
$75k–$100k 12.6%
$100k–$150k 23.5%
$150k–$200k 20.0%
$200k+ 19.5%
Median income $127,140
Housing
Housing overview
Metric Value
Median home value $302,800
Median rent / month $1,823
Owner occupied 86.2%
Renter occupied 13.8%
Vacant 2.1%
Single-family detached 75.0%
Large apartment buildings 3.5%
Mobile homes 0.0%
Median rooms 7.1
Avg household size (owned) 2.80
Year built
Era %
2020 or later 0.1%
2010–2019 6.6%
2000–2009 21.6%
1990–1999 30.5%
1980–1989 18.3%
1970–1979 10.9%
1960–1969 1.9%
1950–1959 3.4%
1940–1949 2.9%
1939 or earlier 3.7%
Bedrooms
Size % of units
No bedroom (studio) 0.5%
1 bedroom 5.4%
2 bedrooms 18.6%
3 bedrooms 32.0%
4 bedrooms 35.9%
5+ bedrooms 7.5%
Vehicles per household
Vehicles % of households
No vehicle 6.3%
1 vehicle 17.7%
2 vehicles 43.8%
3 or more 32.1%
Heating fuel
Fuel type %
Utility gas 94.8%
Electricity 4.3%
Propane / LP gas 0.7%
Wood 0.1%
No fuel used 0.2%
Households & families
Household type Count %
Married-couple family 7,341 62.0%
Cohabiting couple 1,044 8.8%
Male householder, no spouse 1,461 12.3%
Female householder, no spouse 1,987 16.8%
Households with children under 18 3,887 32.8%
Households with seniors (65+) 3,301 27.9%
Average household size 2.72
Marital status
Status Male Female
Never married 33.0% 24.5%
Married 56.6% 55.7%
Separated 0.7% 0.9%
Widowed 2.5% 7.6%
Divorced 7.2% 11.2%
Education
Some college, no degree
20.9%
Graduate / professional
16.0%
Metric %
HS diploma or higher 94.4%
Bachelor's or higher 42.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 418 5.6%
Kindergarten 253 3.4%
Elementary school 3,051 40.8%
High school 1,695 22.7%
College / grad school 2,066 27.6%
Employment
Industry of employment
Education & healthcare
21.6%
Professional & management
14.3%
Finance & real estate
7.8%
Transportation & utilities
6.0%
Arts, food & hospitality
5.2%
Public administration
2.9%
Agriculture & mining
0.4%
Occupation
Category %
Management, business & arts 47.7%
Service 9.9%
Sales & office 24.0%
Natural resources & construction 5.0%
Production & transportation 13.5%
Employment type
Type %
Private sector 84.7%
Government 11.9%
Self-employed 3.1%
Unpaid family workers 0.3%
Commute
Method %
Drive alone 74.7%
Carpool 5.0%
Public transit 1.0%
Walk 1.0%
Work from home 17.7%
Other means 0.6%
Avg commute (minutes) 32.6
Poverty
Married-couple families
1.1%
Female-led households
9.6%
Income support
Source % of households
Social Security 27.4%
Retirement income 21.3%
Supplemental Security 3.2%
Cash public assistance 2.6%
Food stamps / SNAP 3.3%
Health indicators
Condition %
Obesity 33.5%
High blood pressure 26.7%
High cholesterol 29.9%
Diabetes 7.6%
Heart disease 4.3%
Stroke 2.0%
Asthma 8.9%
Arthritis 20.7%
Kidney disease 2.1%
Pulmonary disease 4.7%
Cancer 5.6%
Behavior / access %
Smoking 14.3%
Binge drinking 16.3%
No physical activity 19.2%
Less than 7 hrs sleep 31.5%
Depression 16.1%
Fair or poor health 9.7%
Poor mental health 11.5%
Poor physical health 7.4%
No health insurance 8.7%
Visited doctor (checkup) 75.0%
Visited dentist 73.1%
Cholesterol screening 91.2%
Teeth loss 8.8%
Veterans & disability
Veterans Count %
Civilian veterans 1,383 5.4%
Disability %
Any disability 9.0%
Under 18 3.3%
18–64 years 6.1%
65 and over 30.9%
Health insurance coverage
Type %
Private insurance 86.0%
Public insurance 20.5%
No insurance 4.2%
Uninsured under 19 4.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 30,753 95.4%
Spanish 1,787 5.8%
Other Indo-European 503 1.6%
Asian & Pacific Islander 877 2.9%
Other languages 370 1.2%
Place of birth & citizenship
Origin Count %
Native born (US) 28,496 88.4%
Born in same state 28,049 87.0%
Born in different state 22,870 71.0%
Foreign born 447 1.4%
Naturalized citizen 3,731 11.6%
Not a US citizen 2,565 68.7%
Ancestry
Ancestry Count %
Italian 4,652 14.4%
French 2,471 7.7%
Arab 592 1.8%
English 591 1.8%
Polish 429 1.3%
Ancestry Count %
Norwegian 213 0.7%
German 175 0.5%
Irish 170 0.5%
Dutch 112 0.3%
Technology access
Metric % of households
Computer access 36.7%
Internet access 96.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 60102
What city is ZIP code 60102 in?
ZIP code 60102 is primarily assigned to Algonquin, Illinois.
What county is ZIP code 60102 in?
ZIP code 60102 falls within Mchenry County, Illinois.
Is ZIP code 60102 mostly owner-occupied?
86% of occupied units in ZIP code 60102 are owner-occupied, well above the national average.
What is the median household income in ZIP code 60102?
The median household income in ZIP code 60102 is $127,140, above the national median of ~$75,000.
What is the population of ZIP code 60102?
ZIP code 60102 has an estimated population of 32,227 residents, with a density of 2,045 people per square mile.
What is the typical home value in ZIP code 60102?
The median home value in ZIP code 60102 is $302,800.
What timezone is ZIP code 60102 in?
ZIP code 60102 observes the CST timezone.
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