60548 ZIP Code — Sandwich, IL

Dekalb County, Illinois

ZIP code 60548 is located in Sandwich, Illinois, within Dekalb County. It covers approximately 41.38 square miles and serves a population of 12,040 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 779/815.

About ZIP code 60548

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 $216,000. Owner-occupancy is high at 81%, well above the national average.

Median household income is $82,607. 37% 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 35 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 60548 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

12,040

population

41.38

sq mi land

Standard

ZIP type

Central (CT)

timezone

60548 ZIP code map

Cities in ZIP code 60548

Below are the cities the US Postal Service accepts for ZIP code 60548. Using any city not on this list may result in mail delivery delays.

City	Status
Sandwich	Preferred

Nearby ZIP codes

60552 Somonauk (3.8 mi) 60545 Plano (6.3 mi) 60531 Leland (7.2 mi) 60551 Sheridan (8.7 mi) 60520 Hinckley (9.8 mi) 60511 Big Rock (10 mi) 60541 Newark (10.1 mi) 60560 Yorkville (10.6 mi) 60556 Waterman (11 mi) 60549 Serena (11.1 mi) 60512 Bristol (11.8 mi) 60554 Sugar Grove (13.4 mi)

Demographics updated 06/2026

Population
Total population	12,040
Population density	291 / sq mi
State FIPS	17
County FIPS	037

Geography
Land area	41.38 sq mi
Water area	0.38 sq mi
Latitude	41.6358
Longitude	-88.6409
Timezone	Central (CT)
Area code	779/815

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.1%	40.0%	37.2%
$50k – $100k	37.6%	31.3%	29.6%
$100k – $200k	28.0%	24.0%	24.4%
Over $200k	2.3%	4.8%	8.8%

Demographics & statistics

12,040

Population

291

People per sq mi

39.0

Median age

$82,607

Median household income

$35,571

Per capita income

$216,000

Median home value

$1,123

Median monthly rent

81.1%

Home ownership

9.0%

Poverty rate

5.2%

Unemployment

3,778

Housing units

18.8%

Bachelor's or higher

Age distribution

Male Female

372

Under 5

320

404

5–9

346

407

10–14

349

412

15–19

354

674

20–24

578

631

25–34

541

898

35–44

771

687

45–54

590

302

55–59

260

398

60–64

342

783

65–74

673

414

75–84

355

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,666	22.1%
18 and over	9,374	77.9%
65 and over	2,404	20.0%
Median age	39.0 years

Race & ethnicity

White 89.2%

Hispanic or Latino 4%

Two or more races 2.7%

Other race 2.4%

Black or African American 0.8%

Asian 0.6%

American Indian / Alaska Native 0.3%

Group	Count	%
White	11,189	89.2%
Hispanic or Latino	507	4%
Two or more races	334	2.7%
Other race	302	2.4%
Black or African American	105	0.8%
Asian	71	0.6%
American Indian / Alaska Native	39	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.1%	40.0%	37.2%
$50k – $100k	37.6%	31.3%	29.6%
$100k – $200k	28.0%	24.0%	24.4%
Over $200k	2.3%	4.8%	8.8%

Under $10k 2.8%

$10k–$15k 1.4%

$15k–$25k 6.9%

$25k–$35k 6.5%

$35k–$50k 11.1%

$50k–$75k 15.1%

$75k–$100k 16.7%

$100k–$150k 22.4%

$150k–$200k 11.0%

$200k+ 6.0%

Range	% of households
Under $10k	2.8%
$10k–$15k	1.4%
$15k–$25k	6.9%
$25k–$35k	6.5%
$35k–$50k	11.1%
$50k–$75k	15.1%
$75k–$100k	16.7%
$100k–$150k	22.4%
$150k–$200k	11.0%
$200k+	6.0%
Median income	$82,607

Housing

Home values

Under $50k 8.1%

$50k–$100k 7.3%

$100k–$150k 5.5%

$150k–$200k 22.0%

$200k–$300k 37.9%

$300k–$500k 17.5%

$500k–$1M 1.1%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$216,000
Median rent / month	$1,123
Owner occupied	81.1%
Renter occupied	18.9%
Vacant	5.4%
Single-family detached	77.5%
Large apartment buildings	1.2%
Mobile homes	10.2%
Median rooms	6.0
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	0.6%
2010–2019	0.5%
2000–2009	17.5%
1990–1999	21.4%
1980–1989	12.6%
1970–1979	20.3%
1960–1969	4.2%
1950–1959	5.7%
1940–1949	2.3%
1939 or earlier	15.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	2.4%
2 bedrooms	23.4%
3 bedrooms	47.6%
4 bedrooms	19.9%
5+ bedrooms	5.4%

Vehicles per household

Vehicles	% of households
No vehicle	3.8%
1 vehicle	21.6%
2 vehicles	42.7%
3 or more	31.8%

Heating fuel

Fuel type	%
Utility gas	86.1%
Electricity	10.9%
Propane / LP gas	2.6%
Fuel oil	0.1%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	2,283	52.4%
Cohabiting couple	492	11.3%
Male householder, no spouse	647	14.9%
Female householder, no spouse	932	21.4%
Households with children under 18	1,274	29.3%
Households with seniors (65+)	1,585	36.4%
Average household size	2.73

Marital status

Status	Male	Female
Never married	37.7%	26.2%
Married	46.2%	49.0%
Separated	0.4%	0.8%
Widowed	2.2%	9.6%
Divorced	13.5%	14.4%

Education

Less than 9th grade 2.6%

Some HS, no diploma 5.0%

HS graduate 31.7%

Some college, no degree 27.0%

Associate's degree 15.0%

Bachelor's degree 12.2%

Graduate / professional 6.6%

Metric	%
HS diploma or higher	92.4%
Bachelor's or higher	18.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	202	7.1%
Kindergarten	41	1.4%
Elementary school	1,289	45.3%
High school	753	26.4%
College / grad school	563	19.8%

Employment

Industry of employment

Education & healthcare 24.2%

Construction 14.3%

Retail trade 12.8%

Arts, food & hospitality 9.5%

Finance & real estate 8.2%

Manufacturing 7.4%

Transportation & utilities 6.9%

Professional & management 6.0%

Other services 4.3%

Public administration 3.4%

Wholesale trade 1.9%

Information 0.6%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	28.4%
Service	17.8%
Sales & office	18.3%
Natural resources & construction	17.5%
Production & transportation	18.0%

Employment type

Type	%
Private sector	80.8%
Government	12.0%
Self-employed	6.6%
Unpaid family workers	0.6%

Commute

Method	%
Drive alone	82.0%
Carpool	7.8%
Public transit	0.7%
Walk	1.7%
Work from home	7.4%
Other means	0.4%
Avg commute (minutes)	34.5

Poverty

All people 9.0%

Under 18 years 13.8%

18 and over 7.6%

Married-couple families 3.2%

Female-led households 25.3%

Income support

Source	% of households
Social Security	37.4%
Retirement income	29.2%
Supplemental Security	3.4%
Cash public assistance	2.8%
Food stamps / SNAP	7.7%

Health indicators

Condition	%
Obesity	34.5%
High blood pressure	31.5%
High cholesterol	32.3%
Diabetes	9.4%
Heart disease	6.2%
Stroke	2.9%
Asthma	9.6%
Arthritis	25.8%
Kidney disease	2.7%
Pulmonary disease	6.8%
Cancer	6.7%

Behavior / access	%
Smoking	18.0%
Binge drinking	16.1%
No physical activity	23.3%
Less than 7 hrs sleep	31.6%
Depression	17.5%
Fair or poor health	13.2%
Poor mental health	12.9%
Poor physical health	9.5%
No health insurance	11.2%
Visited doctor (checkup)	75.9%
Visited dentist	64.7%
Cholesterol screening	89.5%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	762	8.1%

Disability	%
Any disability	13.1%
Under 18	6.1%
18–64 years	9.5%
65 and over	32.2%

Health insurance coverage

Type	%
Private insurance	78.5%
Public insurance	33.0%
No insurance	4.2%
Uninsured under 19	1.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,348	94.3%
Spanish	268	2.4%
Other Indo-European	224	2.0%
Asian & Pacific Islander	33	0.3%
Other languages	11	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,573	96.1%
Born in same state	11,552	95.9%
Born in different state	10,246	85.1%
Foreign born	21	0.2%
Naturalized citizen	467	3.9%
Not a US citizen	212	45.4%

Ancestry

Ancestry	Count	%
Italian	1,859	15.4%
French	1,130	9.4%
Polish	754	6.3%
Arab	492	4.1%
English	196	1.6%

Ancestry	Count	%
Dutch	109	0.9%
Norwegian	78	0.6%
German	58	0.5%
Irish	56	0.5%

Technology access

Metric	% of households
Computer access	36.2%
Internet access	94.7%

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

Frequently asked questions about ZIP code 60548

What city is ZIP code 60548 in?

ZIP code 60548 is primarily assigned to Sandwich, Illinois.

What county is ZIP code 60548 in?

ZIP code 60548 falls within Dekalb County, Illinois.

Is ZIP code 60548 mostly owner-occupied?

81% of occupied units in ZIP code 60548 are owner-occupied, well above the national average.

Does ZIP code 60548 have a large retiree population?

37% of households in ZIP code 60548 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 60548?

ZIP code 60548 has an estimated population of 12,040 residents, with a density of 291 people per square mile.

What is the typical home value in ZIP code 60548?

The median home value in ZIP code 60548 is $216,000.

What timezone is ZIP code 60548 in?

ZIP code 60548 observes the CST timezone.