60552 ZIP Code — Somonauk, IL

Dekalb County, Illinois

ZIP code 60552 is located in Somonauk, Illinois, within Dekalb County. It covers approximately 26.61 square miles and serves a population of 4,538 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815.

About ZIP code 60552

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $238,200. Owner-occupancy is high at 82%, well above the national average.

Median household income is $120,944. The poverty rate of 5% is below the national average. 33% 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. An above-average commute of 36 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Overall, ZIP code 60552 reflects a community defined by high homeownership and a significant Social Security-dependent population.

4,538

population

26.61

sq mi land

Standard

ZIP type

Central (CT)

timezone

60552 ZIP code map

Cities in ZIP code 60552

Below are the cities the US Postal Service accepts for ZIP code 60552. Using any city not on this list may result in mail delivery delays.

City	Status
Somonauk	Preferred

Nearby ZIP codes

60548 Sandwich (3.8 mi) 60531 Leland (5.4 mi) 60556 Waterman (7.4 mi) 60520 Hinckley (7.9 mi) 60545 Plano (9.1 mi) 60551 Sheridan (10.1 mi) 60511 Big Rock (10.2 mi) 60550 Shabbona (11.9 mi) 60549 Serena (12.3 mi) 60518 Earlville (13.1 mi) 60541 Newark (13.8 mi) 60560 Yorkville (14.2 mi)

Demographics updated 06/2026

Population
Total population	4,538
Population density	171 / sq mi
State FIPS	17
County FIPS	037

Geography
Land area	26.61 sq mi
Water area	0.27 sq mi
Latitude	41.6675
Longitude	-88.7016
Timezone	Central (CT)
Area code	815

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.9%	40.0%	37.2%
$50k – $100k	35.1%	31.3%	29.6%
$100k – $200k	36.1%	24.0%	24.4%
Over $200k	9.9%	4.8%	8.8%

Demographics & statistics

4,538

Population

171

People per sq mi

40.2

Median age

$120,944

Median household income

$50,649

Per capita income

$238,200

Median home value

$1,047

Median monthly rent

82.3%

Home ownership

5.1%

Poverty rate

4.3%

Unemployment

1,513

Housing units

29.6%

Bachelor's or higher

Age distribution

Male Female

131

Under 5

152

146

5–9

168

125

10–14

144

170

15–19

196

104

20–24

121

189

25–34

219

268

35–44

310

293

45–54

338

185

55–59

214

143

60–64

165

223

65–74

258

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	971	21.4%
18 and over	3,567	78.6%
65 and over	757	16.7%
Median age	40.2 years

Race & ethnicity

White 93.7%

Two or more races 3%

Black or African American 1%

Hispanic or Latino 0.9%

Other race 0.8%

Asian 0.6%

Group	Count	%
White	4,292	93.7%
Two or more races	138	3%
Black or African American	46	1%
Hispanic or Latino	43	0.9%
Other race	35	0.8%
Asian	27	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.9%	40.0%	37.2%
$50k – $100k	35.1%	31.3%	29.6%
$100k – $200k	36.1%	24.0%	24.4%
Over $200k	9.9%	4.8%	8.8%

Under $10k 1.8%

$10k–$15k 2.2%

$15k–$25k 3.9%

$25k–$35k 2.2%

$35k–$50k 6.5%

$50k–$75k 13.1%

$75k–$100k 10.2%

$100k–$150k 31.5%

$150k–$200k 17.7%

$200k+ 11.0%

Range	% of households
Under $10k	1.8%
$10k–$15k	2.2%
$15k–$25k	3.9%
$25k–$35k	2.2%
$35k–$50k	6.5%
$50k–$75k	13.1%
$75k–$100k	10.2%
$100k–$150k	31.5%
$150k–$200k	17.7%
$200k+	11.0%
Median income	$120,944

Housing

Home values

Under $50k 0.7%

$50k–$100k 2.3%

$100k–$150k 4.0%

$150k–$200k 24.9%

$200k–$300k 36.5%

$300k–$500k 26.7%

$500k–$1M 5.0%

Housing overview

Metric	Value
Median home value	$238,200
Median rent / month	$1,047
Owner occupied	82.3%
Renter occupied	17.7%
Vacant	7.8%
Single-family detached	83.5%
Large apartment buildings	0.9%
Mobile homes	0.2%
Median rooms	6.6
Avg household size (owned)	2.74

Year built

Era	%
2020 or later	1.3%
2010–2019	1.3%
2000–2009	11.9%
1990–1999	17.2%
1980–1989	10.9%
1970–1979	19.8%
1960–1969	7.9%
1950–1959	11.4%
1940–1949	2.2%
1939 or earlier	15.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	2.2%
2 bedrooms	18.9%
3 bedrooms	54.0%
4 bedrooms	22.1%
5+ bedrooms	2.2%

Vehicles per household

Vehicles	% of households
No vehicle	4.9%
1 vehicle	23.4%
2 vehicles	44.4%
3 or more	27.3%

Heating fuel

Fuel type	%
Utility gas	86.0%
Electricity	7.7%
Propane / LP gas	5.7%
Wood	0.5%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	1,120	67.1%
Cohabiting couple	80	4.8%
Male householder, no spouse	138	8.3%
Female householder, no spouse	330	19.8%
Households with children under 18	502	30.1%
Households with seniors (65+)	530	31.8%
Average household size	2.72

Marital status

Status	Male	Female
Never married	22.0%	24.7%
Married	72.1%	59.5%
Separated	0.0%	0.6%
Widowed	0.8%	5.2%
Divorced	5.1%	10.0%

Education

Less than 9th grade 0.1%

Some HS, no diploma 2.3%

HS graduate 27.8%

Some college, no degree 30.5%

Associate's degree 9.7%

Bachelor's degree 20.5%

Graduate / professional 9.1%

Metric	%
HS diploma or higher	97.6%
Bachelor's or higher	29.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	37	3.5%
Kindergarten	49	4.7%
Elementary school	443	42.2%
High school	226	21.5%
College / grad school	296	28.2%

Employment

Industry of employment

Education & healthcare 19.2%

Retail trade 14.0%

Construction 11.2%

Manufacturing 11.0%

Professional & management 10.3%

Arts, food & hospitality 8.7%

Finance & real estate 7.5%

Transportation & utilities 6.5%

Wholesale trade 4.3%

Public administration 3.5%

Other services 2.3%

Information 1.1%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	38.9%
Service	15.4%
Sales & office	20.5%
Natural resources & construction	12.9%
Production & transportation	12.4%

Employment type

Type	%
Private sector	88.0%
Government	9.4%
Self-employed	2.4%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	83.5%
Carpool	6.0%
Public transit	0.6%
Walk	0.8%
Work from home	8.5%
Other means	0.6%
Avg commute (minutes)	36.1

Poverty

All people 5.1%

Under 18 years 7.5%

18 and over 4.5%

Married-couple families 0.6%

Female-led households 3.0%

Income support

Source	% of households
Social Security	32.6%
Retirement income	32.9%
Supplemental Security	2.8%
Cash public assistance	1.2%
Food stamps / SNAP	5.6%

Health indicators

Condition	%
Obesity	33.6%
High blood pressure	30.9%
High cholesterol	32.4%
Diabetes	8.9%
Heart disease	5.9%
Stroke	2.7%
Asthma	9.4%
Arthritis	25.3%
Kidney disease	2.6%
Pulmonary disease	6.4%
Cancer	6.7%

Behavior / access	%
Smoking	17.6%
Binge drinking	16.4%
No physical activity	21.9%
Less than 7 hrs sleep	31.7%
Depression	17.4%
Fair or poor health	12.2%
Poor mental health	12.6%
Poor physical health	9.1%
No health insurance	9.9%
Visited doctor (checkup)	75.7%
Visited dentist	67.0%
Cholesterol screening	90.0%
Teeth loss	12.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	159	4.5%

Disability	%
Any disability	8.6%
Under 18	1.9%
18–64 years	5.2%
65 and over	29.5%

Health insurance coverage

Type	%
Private insurance	86.6%
Public insurance	25.1%
No insurance	2.2%
Uninsured under 19	2.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,255	93.8%
Spanish	10	0.2%
Other Indo-European	10	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,430	97.6%
Born in same state	4,430	97.6%
Born in different state	3,894	85.8%
Foreign born	0	0.0%
Naturalized citizen	108	2.4%
Not a US citizen	55	50.9%

Ancestry

Ancestry	Count	%
Italian	971	21.4%
French	402	8.9%
Polish	355	7.8%
Arab	271	6%

Ancestry	Count	%
Norwegian	90	2%
Dutch	26	0.6%
Irish	23	0.5%
English	16	0.4%

Technology access

Metric	% of households
Computer access	36.8%
Internet access	97.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 60552

What city is ZIP code 60552 in?

ZIP code 60552 is primarily assigned to Somonauk, Illinois.

What county is ZIP code 60552 in?

ZIP code 60552 falls within Dekalb County, Illinois.

Is ZIP code 60552 mostly owner-occupied?

82% of occupied units in ZIP code 60552 are owner-occupied, well above the national average.

What is the median household income in ZIP code 60552?

The median household income in ZIP code 60552 is $120,944, above the national median of ~$75,000.

What is the population of ZIP code 60552?

ZIP code 60552 has an estimated population of 4,538 residents, with a density of 171 people per square mile.

What is the typical home value in ZIP code 60552?

The median home value in ZIP code 60552 is $238,200.

What timezone is ZIP code 60552 in?

ZIP code 60552 observes the CST timezone.