61103 ZIP Code — Rockford, IL

Winnebago County, Illinois

ZIP code 61103 is located in Rockford, Illinois, within Winnebago County. It covers approximately 16.34 square miles and serves a population of 23,441 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815/779.

About ZIP code 61103

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $103,900. Owner-occupancy sits near the national average at 53%.

Median household income is $49,192. Poverty affects 24% of residents, above the national average. SNAP benefit usage at 27% of households reflects economic stress in the area. 35% 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 24 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of obesity (44%), smoking (22%) compared to national benchmarks.

Overall, ZIP code 61103 reflects a community defined by economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

23,441

population

16.34

sq mi land

Standard

ZIP type

Central (CT)

timezone

61103 ZIP code map

Cities in ZIP code 61103

Below are the cities the US Postal Service accepts for ZIP code 61103. Using any city not on this list may result in mail delivery delays.

City	Status
Rockford	Acceptable
Rockford	Preferred

Nearby ZIP codes

61115 Machesney Park (3.3 mi) 61101 Rockford (3.9 mi) 61114 Rockford (4.8 mi) 61107 Rockford (4.8 mi) 61104 Rockford (5.7 mi) 61108 Rockford (6.6 mi) 61073 Roscoe (7.2 mi) 61072 Rockton (8 mi) 61112 Rockford (8 mi) 61011 Caledonia (8.5 mi) 61102 Rockford (9.5 mi) 61109 Rockford (9.7 mi)

Demographics updated 05/2026

Population
Total population	23,441
Population density	1,435 / sq mi
State FIPS	17
County FIPS	201

Geography
Land area	16.34 sq mi
Water area	0.53 sq mi
Latitude	42.3356
Longitude	-89.0722
Timezone	Central (CT)
Area code	815/779

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	57.5%	45.2%	37.2%
$50k – $100k	27.3%	31.4%	29.6%
$100k – $200k	13.2%	19.5%	24.4%
Over $200k	2.1%	4.0%	8.8%

Demographics & statistics

23,441

Population

1,435

People per sq mi

40.6

Median age

$49,192

Median household income

$28,929

Per capita income

$103,900

Median home value

$916

Median monthly rent

53.2%

Home ownership

23.7%

Poverty rate

7.9%

Unemployment

6,762

Housing units

22.0%

Bachelor's or higher

Age distribution

Male Female

726

Under 5

776

738

5–9

788

610

10–14

651

664

15–19

709

636

20–24

680

1,388

25–34

1,483

1,386

35–44

1,481

1,455

45–54

1,554

710

55–59

758

796

60–64

850

1,278

65–74

1,365

560

75–84

599

387

85+

413

← Male

Female →

Age summary

Group	Count	%
Under 18	5,301	22.6%
18 and over	18,140	77.4%
65 and over	4,602	19.6%
Median age	40.6 years

Race & ethnicity

White 56.5%

Black or African American 22%

Two or more races 11.7%

Hispanic or Latino 7.4%

Other race 1.7%

Asian 0.7%

Group	Count	%
White	14,302	56.5%
Black or African American	5,562	22%
Two or more races	2,968	11.7%
Hispanic or Latino	1,861	7.4%
Other race	432	1.7%
Asian	175	0.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	57.5%	45.2%	37.2%
$50k – $100k	27.3%	31.4%	29.6%
$100k – $200k	13.2%	19.5%	24.4%
Over $200k	2.1%	4.0%	8.8%

Under $10k 8.4%

$10k–$15k 7.3%

$15k–$25k 12.5%

$25k–$35k 9.7%

$35k–$50k 12.7%

$50k–$75k 17.2%

$75k–$100k 12.8%

$100k–$150k 11.0%

$150k–$200k 5.2%

$200k+ 3.2%

Range	% of households
Under $10k	8.4%
$10k–$15k	7.3%
$15k–$25k	12.5%
$25k–$35k	9.7%
$35k–$50k	12.7%
$50k–$75k	17.2%
$75k–$100k	12.8%
$100k–$150k	11.0%
$150k–$200k	5.2%
$200k+	3.2%
Median income	$49,192

Housing

Home values

Under $50k 6.5%

$50k–$100k 41.5%

$100k–$150k 24.2%

$150k–$200k 14.1%

$200k–$300k 7.4%

$300k–$500k 4.6%

$500k–$1M 1.7%

Housing overview

Metric	Value
Median home value	$103,900
Median rent / month	$916
Owner occupied	53.2%
Renter occupied	46.8%
Vacant	12.4%
Single-family detached	62.5%
Large apartment buildings	10.2%
Mobile homes	0.1%
Median rooms	5.4
Avg household size (owned)	2.32

Year built

Era	%
2020 or later	0.1%
2010–2019	0.9%
2000–2009	2.5%
1990–1999	4.1%
1980–1989	4.6%
1970–1979	14.9%
1960–1969	13.9%
1950–1959	19.4%
1940–1949	7.7%
1939 or earlier	31.9%

Bedrooms

Size	% of units
No bedroom (studio)	3.3%
1 bedroom	16.3%
2 bedrooms	30.3%
3 bedrooms	31.9%
4 bedrooms	14.1%
5+ bedrooms	4.0%

Vehicles per household

Vehicles	% of households
No vehicle	15.3%
1 vehicle	39.7%
2 vehicles	30.3%
3 or more	14.7%

Heating fuel

Fuel type	%
Utility gas	81.7%
Electricity	14.4%
Propane / LP gas	1.2%
Fuel oil	0.2%
Wood	0.2%
No fuel used	1.5%

Households & families

Household type	Count	%
Married-couple family	3,456	34.4%
Cohabiting couple	864	8.6%
Male householder, no spouse	2,329	23.2%
Female householder, no spouse	3,404	33.9%
Households with children under 18	2,554	25.4%
Households with seniors (65+)	3,108	30.9%
Average household size	2.25

Marital status

Status	Male	Female
Never married	40.6%	36.2%
Married	40.8%	35.2%
Separated	1.8%	2.4%
Widowed	2.7%	10.5%
Divorced	14.1%	15.7%

Education

Less than 9th grade 4.2%

Some HS, no diploma 8.7%

HS graduate 31.7%

Some college, no degree 24.0%

Associate's degree 9.4%

Bachelor's degree 14.3%

Graduate / professional 7.7%

Metric	%
HS diploma or higher	87.0%
Bachelor's or higher	22.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	179	3.5%
Kindergarten	376	7.3%
Elementary school	2,366	45.9%
High school	1,105	21.4%
College / grad school	1,134	22.0%

Employment

Industry of employment

Education & healthcare 23.3%

Manufacturing 18.4%

Retail trade 11.9%

Professional & management 9.5%

Transportation & utilities 9.1%

Arts, food & hospitality 8.0%

Other services 5.5%

Construction 4.9%

Finance & real estate 4.1%

Public administration 2.2%

Wholesale trade 2.1%

Information 0.8%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	26.8%
Service	18.9%
Sales & office	23.7%
Natural resources & construction	6.5%
Production & transportation	24.1%

Employment type

Type	%
Private sector	85.2%
Government	9.6%
Self-employed	5.0%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	76.4%
Carpool	12.7%
Public transit	1.6%
Walk	1.4%
Work from home	5.5%
Other means	2.4%
Avg commute (minutes)	23.9

Poverty

All people 23.7%

Under 18 years 38.9%

18 and over 19.3%

Married-couple families 5.5%

Female-led households 41.6%

Income support

Source	% of households
Social Security	34.9%
Retirement income	23.7%
Supplemental Security	8.1%
Cash public assistance	4.2%
Food stamps / SNAP	26.6%

Health indicators

Condition	%
Obesity	44.1%
High blood pressure	39.0%
High cholesterol	33.4%
Diabetes	13.1%
Heart disease	7.8%
Stroke	4.2%
Asthma	10.8%
Arthritis	29.4%
Kidney disease	3.7%
Pulmonary disease	9.2%
Cancer	6.8%

Behavior / access	%
Smoking	21.5%
Binge drinking	13.6%
No physical activity	31.1%
Less than 7 hrs sleep	33.8%
Depression	18.4%
Fair or poor health	20.2%
Poor mental health	14.1%
Poor physical health	12.7%
No health insurance	13.9%
Visited doctor (checkup)	78.6%
Visited dentist	57.1%
Cholesterol screening	88.7%
Teeth loss	21.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,501	8.3%

Disability	%
Any disability	16.7%
Under 18	4.3%
18–64 years	15.9%
65 and over	34.9%

Health insurance coverage

Type	%
Private insurance	57.3%
Public insurance	49.1%
No insurance	5.6%
Uninsured under 19	1.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	21,939	93.6%
Spanish	972	4.4%
Other Indo-European	744	3.4%
Asian & Pacific Islander	94	0.4%
Other languages	28	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,998	93.8%
Born in same state	21,764	92.8%
Born in different state	16,984	72.5%
Foreign born	234	1.0%
Naturalized citizen	1,443	6.2%
Not a US citizen	526	36.5%

Ancestry

Ancestry	Count	%
Italian	2,337	10%
French	1,390	5.9%
Polish	623	2.7%
Arab	585	2.5%
English	282	1.2%

Ancestry	Count	%
Dutch	185	0.8%
German	140	0.6%
Norwegian	64	0.3%
Irish	34	0.1%

Technology access

Metric	% of households
Computer access	42.9%
Internet access	89.8%

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

Frequently asked questions about ZIP code 61103

What city is ZIP code 61103 in?

ZIP code 61103 is primarily assigned to Rockford, Illinois.

What county is ZIP code 61103 in?

ZIP code 61103 falls within Winnebago County, Illinois.

What is the poverty rate in ZIP code 61103?

24% of residents in ZIP code 61103 live below the poverty line, above the national average.

What is the typical home value in ZIP code 61103?

The median home value in ZIP code 61103 is $103,900.

What are the health statistics for ZIP code 61103?

Health data for ZIP code 61103 shows elevated rates of obesity (44%) and smoking (22%) compared to national benchmarks.

What is the population of ZIP code 61103?

ZIP code 61103 has an estimated population of 23,441 residents, with a density of 1,435 people per square mile.

What timezone is ZIP code 61103 in?

ZIP code 61103 observes the CST timezone.