61101 ZIP Code — Rockford, IL

Winnebago County, Illinois

ZIP code 61101 is located in Rockford, Illinois, within Winnebago County. It covers approximately 41.52 square miles and serves a population of 20,481 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 815/779.

About ZIP code 61101

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $83,800. Owner-occupancy sits near the national average at 52%.

Median household income is $45,363. Poverty affects 30% of residents, above the national average. SNAP benefit usage at 37% of households reflects economic stress in the area. 39% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (49%), smoking (26%) compared to national benchmarks.

Overall, ZIP code 61101 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

20,481

population

41.52

sq mi land

Standard

ZIP type

Central (CT)

timezone

61101 ZIP code map

Cities in ZIP code 61101

Below are the cities the US Postal Service accepts for ZIP code 61101. Using any city not on this list may result in mail delivery delays.

City	Status
Rockford	Preferred

Nearby ZIP codes

61103 Rockford (3.9 mi) 61104 Rockford (6.1 mi) 61088 Winnebago (6.5 mi) 61115 Machesney Park (6.9 mi) 61072 Rockton (7.6 mi) 61107 Rockford (7.7 mi) 61102 Rockford (7.7 mi) 61114 Rockford (8.3 mi) 61108 Rockford (9.1 mi) 61063 Pecatonica (9.9 mi) 61024 Durand (10 mi) 61109 Rockford (10.2 mi)

Demographics updated 05/2026

Population
Total population	20,481
Population density	493 / sq mi
State FIPS	17
County FIPS	201

Geography
Land area	41.52 sq mi
Water area	0.07 sq mi
Latitude	42.3283
Longitude	-89.1475
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	64.5%	45.2%	37.2%
$50k – $100k	23.4%	31.4%	29.6%
$100k – $200k	11.1%	19.5%	24.4%
Over $200k	1.0%	4.0%	8.8%

Demographics & statistics

20,481

Population

493

People per sq mi

37.4

Median age

$45,363

Median household income

$23,283

Per capita income

$83,800

Median home value

$922

Median monthly rent

52.4%

Home ownership

30.4%

Poverty rate

14.1%

Unemployment

5,089

Housing units

14.8%

Bachelor's or higher

Age distribution

Male Female

446

Under 5

467

808

5–9

847

955

10–14

999

840

15–19

879

488

20–24

512

1,281

25–34

1,341

1,293

35–44

1,353

1,020

45–54

1,068

604

55–59

632

669

60–64

701

985

65–74

1,031

426

75–84

446

191

85+

199

← Male

Female →

Age summary

Group	Count	%
Under 18	5,672	27.7%
18 and over	14,809	72.3%
65 and over	3,278	16.0%
Median age	37.4 years

Race & ethnicity

White 45.9%

Black or African American 35.6%

Hispanic or Latino 7.3%

Two or more races 6.5%

Other race 3.6%

Asian 0.9%

American Indian / Alaska Native 0.3%

Group	Count	%
White	10,133	45.9%
Black or African American	7,862	35.6%
Hispanic or Latino	1,616	7.3%
Two or more races	1,429	6.5%
Other race	797	3.6%
Asian	203	0.9%
American Indian / Alaska Native	57	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	64.5%	45.2%	37.2%
$50k – $100k	23.4%	31.4%	29.6%
$100k – $200k	11.1%	19.5%	24.4%
Over $200k	1.0%	4.0%	8.8%

Under $10k 10.4%

$10k–$15k 9.8%

$15k–$25k 11.8%

$25k–$35k 9.7%

$35k–$50k 11.8%

$50k–$75k 18.8%

$75k–$100k 11.7%

$100k–$150k 9.6%

$150k–$200k 4.5%

$200k+ 2.0%

Range	% of households
Under $10k	10.4%
$10k–$15k	9.8%
$15k–$25k	11.8%
$25k–$35k	9.7%
$35k–$50k	11.8%
$50k–$75k	18.8%
$75k–$100k	11.7%
$100k–$150k	9.6%
$150k–$200k	4.5%
$200k+	2.0%
Median income	$45,363

Housing

Home values

Under $50k 22.5%

$50k–$100k 35.7%

$100k–$150k 14.2%

$150k–$200k 15.8%

$200k–$300k 7.2%

$300k–$500k 4.6%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$83,800
Median rent / month	$922
Owner occupied	52.4%
Renter occupied	47.6%
Vacant	10.4%
Single-family detached	68.9%
Large apartment buildings	9.4%
Mobile homes	0.3%
Median rooms	5.5
Avg household size (owned)	2.59

Year built

Era	%
2020 or later	0.0%
2010–2019	2.7%
2000–2009	7.2%
1990–1999	3.8%
1980–1989	3.9%
1970–1979	14.5%
1960–1969	16.9%
1950–1959	20.9%
1940–1949	11.3%
1939 or earlier	18.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	11.1%
2 bedrooms	28.9%
3 bedrooms	41.1%
4 bedrooms	14.4%
5+ bedrooms	3.2%

Vehicles per household

Vehicles	% of households
No vehicle	14.8%
1 vehicle	41.0%
2 vehicles	28.5%
3 or more	15.8%

Heating fuel

Fuel type	%
Utility gas	83.3%
Electricity	12.6%
Propane / LP gas	2.8%
Wood	0.4%
Solar	0.2%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	2,801	35.2%
Cohabiting couple	422	5.3%
Male householder, no spouse	1,475	18.6%
Female householder, no spouse	3,249	40.9%
Households with children under 18	2,478	31.2%
Households with seniors (65+)	2,494	31.4%
Average household size	2.55

Marital status

Status	Male	Female
Never married	43.7%	38.2%
Married	40.0%	35.6%
Separated	1.0%	2.1%
Widowed	2.8%	9.6%
Divorced	12.5%	14.5%

Education

Less than 9th grade 5.1%

Some HS, no diploma 13.5%

HS graduate 35.1%

Some college, no degree 22.9%

Associate's degree 8.6%

Bachelor's degree 8.6%

Graduate / professional 6.1%

Metric	%
HS diploma or higher	81.4%
Bachelor's or higher	14.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	445	7.8%
Kindergarten	381	6.7%
Elementary school	2,645	46.3%
High school	1,625	28.4%
College / grad school	622	10.9%

Employment

Industry of employment

Education & healthcare 23.2%

Manufacturing 17.0%

Retail trade 13.9%

Professional & management 10.9%

Transportation & utilities 8.2%

Other services 7.4%

Arts, food & hospitality 7.0%

Construction 4.8%

Wholesale trade 2.5%

Finance & real estate 2.0%

Public administration 1.5%

Information 1.2%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	16.0%
Service	24.0%
Sales & office	23.3%
Natural resources & construction	9.1%
Production & transportation	27.6%

Employment type

Type	%
Private sector	90.1%
Government	7.3%
Self-employed	2.3%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	81.5%
Carpool	10.4%
Public transit	2.3%
Walk	1.2%
Work from home	3.6%
Other means	1.0%
Avg commute (minutes)	23.9

Poverty

All people 30.4%

Under 18 years 50.5%

18 and over 22.8%

Married-couple families 9.8%

Female-led households 45.1%

Income support

Source	% of households
Social Security	38.9%
Retirement income	23.2%
Supplemental Security	8.4%
Cash public assistance	4.1%
Food stamps / SNAP	37.4%

Health indicators

Condition	%
Obesity	48.9%
High blood pressure	40.8%
High cholesterol	32.3%
Diabetes	14.9%
Heart disease	7.4%
Stroke	4.6%
Asthma	12.1%
Arthritis	28.7%
Kidney disease	3.9%
Pulmonary disease	9.8%
Cancer	5.6%

Behavior / access	%
Smoking	26.1%
Binge drinking	12.9%
No physical activity	36.1%
Less than 7 hrs sleep	37.5%
Depression	19.0%
Fair or poor health	24.8%
Poor mental health	15.9%
Poor physical health	14.4%
No health insurance	18.0%
Visited doctor (checkup)	78.8%
Visited dentist	49.4%
Cholesterol screening	86.7%
Teeth loss	24.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,154	7.8%

Disability	%
Any disability	19.0%
Under 18	4.0%
18–64 years	20.1%
65 and over	40.9%

Health insurance coverage

Type	%
Private insurance	44.7%
Public insurance	58.7%
No insurance	8.8%
Uninsured under 19	1.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	19,568	95.5%
Spanish	1,071	5.5%
Other Indo-European	852	4.4%
Asian & Pacific Islander	88	0.4%
Other languages	6	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,708	91.3%
Born in same state	18,599	90.8%
Born in different state	14,519	70.9%
Foreign born	109	0.5%
Naturalized citizen	1,773	8.7%
Not a US citizen	576	32.5%

Ancestry

Ancestry	Count	%
Italian	1,440	7%
French	1,016	5%
Arab	694	3.4%
Polish	270	1.3%

Ancestry	Count	%
English	247	1.2%
Dutch	125	0.6%
German	95	0.5%
Norwegian	26	0.1%

Technology access

Metric	% of households
Computer access	38.8%
Internet access	87.5%

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

Frequently asked questions about ZIP code 61101

What city is ZIP code 61101 in?

ZIP code 61101 is primarily assigned to Rockford, Illinois.

What county is ZIP code 61101 in?

ZIP code 61101 falls within Winnebago County, Illinois.

What is the poverty rate in ZIP code 61101?

30% of residents in ZIP code 61101 live below the poverty line, above the national average.

How educated is the population of ZIP code 61101?

15% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 61101 have a large retiree population?

39% of households in ZIP code 61101 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 61101?

The median home value in ZIP code 61101 is $83,800.

What timezone is ZIP code 61101 in?

ZIP code 61101 observes the CST timezone.