Winnebago County, IL ZIP Codes
Illinois (IL) · 28 ZIP codes · 12 cities
28
ZIP codes
283,119
population (2021)
-4.1%
pop change since 2010
17201
FIPS code
Winnebago County ZIP code map
About Winnebago County
Winnebago County is located in Illinois and contains 28 ZIP codes across 12 cities and communities.
The county's population was 283,119 as of 2021,
a decrease of
4.1% from 295,266 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Winnebago County is 17201.
| Population | |
|---|---|
| 2021 population | 283,119 |
| 2010 population | 295,266 |
| Change | -4.1% |
| County details | |
|---|---|
| State | Illinois |
| FIPS code | 17201 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Winnebago County
Cherry Valley
Durand
Loves Park
Machesney Park
Pecatonica
Rockford
Rockton
Roscoe
Seward
Shirland
South Beloit
Winnebago
ZIP codes for Winnebago County, IL (28)
| ZIP code | City | County | Map |
|---|---|---|---|
| 61016 | Cherry Valley | Winnebago | View map |
| 61024 | Durand | Winnebago | View map |
| 61063 | Pecatonica | Winnebago | View map |
| 61072 | Rockton | Winnebago | View map |
| 61073 | Roscoe | Winnebago | View map |
| 61077 | Seward | Winnebago | View map |
| 61079 | Shirland | Winnebago | View map |
| 61080 | South Beloit | Winnebago | View map |
| 61088 | Winnebago | Winnebago | View map |
| 61101 | Rockford | Winnebago | View map |
| 61102 | Rockford | Winnebago | View map |
| 61103 | Rockford | Winnebago | View map |
| 61104 | Rockford | Winnebago | View map |
| 61105 | Rockford | Winnebago | View map |
| 61106 | Rockford | Winnebago | View map |
| 61107 | Rockford | Winnebago | View map |
| 61108 | Rockford | Winnebago | View map |
| 61109 | Rockford | Winnebago | View map |
| 61110 | Rockford | Winnebago | View map |
| 61111 | Loves Park | Winnebago | View map |
| 61112 | Rockford | Winnebago | View map |
| 61114 | Rockford | Winnebago | View map |
| 61115 | Machesney Park | Winnebago | View map |
| 61125 | Rockford | Winnebago | View map |
| 61126 | Rockford | Winnebago | View map |
| 61130 | Loves Park | Winnebago | View map |
| 61131 | Loves Park | Winnebago | View map |
| 61132 | Loves Park | Winnebago | View map |
Demographics & statistics
285,343
Population
39.5
Median age
$64,673
Median household income
$33,606
Per capita income
$140,889
Median home value
$912
Median monthly rent
66.4%
Home ownership
12.9%
Poverty rate
6.5%
Unemployment
85,422
Housing units
23.3%
Bachelor's or higher
Age distribution
Male
Female
8,793
Under 5
8,748
8,913
5–9
8,869
9,902
10–14
9,853
9,339
15–19
9,293
8,832
20–24
8,787
17,795
25–34
17,706
16,927
35–44
16,842
17,638
45–54
17,549
9,634
55–59
9,586
9,473
60–64
9,426
15,037
65–74
14,961
7,015
75–84
6,980
3,732
85+
3,713
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 66,848 | 22.3% |
| 18 and over | 218,495 | 77.7% |
| 65 and over | 51,438 | 21.7% |
| Median age | 39.5 years | |
Race & ethnicity
White
66%
Black or African American
12.3%
Hispanic or Latino
7.9%
Two or more races
7.2%
Other race
3.7%
Asian
2.6%
American Indian / Alaska Native
0.3%
| Group | Count | % |
|---|---|---|
| White | 204,224 | 66% |
| Black or African American | 38,055 | 12.3% |
| Hispanic or Latino | 24,315 | 7.9% |
| Two or more races | 22,307 | 7.2% |
| Other race | 11,593 | 3.7% |
| Asian | 8,196 | 2.6% |
| American Indian / Alaska Native | 866 | 0.3% |
Household income
Under $10k
4.6%
$10k–$15k
3.9%
$15k–$25k
10.8%
$25k–$35k
8.1%
$35k–$50k
13.4%
$50k–$75k
16.9%
$75k–$100k
12.0%
$100k–$150k
16.3%
$150k–$200k
7.9%
$200k+
6.2%
| Range | % of households |
|---|---|
| Under $10k | 4.6% |
| $10k–$15k | 3.9% |
| $15k–$25k | 10.8% |
| $25k–$35k | 8.1% |
| $35k–$50k | 13.4% |
| $50k–$75k | 16.9% |
| $75k–$100k | 12.0% |
| $100k–$150k | 16.3% |
| $150k–$200k | 7.9% |
| $200k+ | 6.2% |
| Median income | $64,673 |
Housing
Home values
Under $50k
7.1%
$50k–$100k
18.1%
$100k–$150k
20.9%
$150k–$200k
21.2%
$200k–$300k
18.4%
$300k–$500k
6.5%
$500k–$1M
2.0%
$1M+
0.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $140,889 |
| Median rent / month | $912 |
| Owner occupied | 66.4% |
| Renter occupied | 33.6% |
| Vacant | 6.6% |
| Single-family detached | 69.8% |
| Large apartment buildings | 7.1% |
| Mobile homes | 1.1% |
| Median rooms | 5.7 |
| Avg household size (owned) | 2.38 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.2% |
| 2010–2019 | 1.9% |
| 2000–2009 | 18.2% |
| 1990–1999 | 13.5% |
| 1980–1989 | 10.0% |
| 1970–1979 | 13.6% |
| 1960–1969 | 11.1% |
| 1950–1959 | 11.6% |
| 1940–1949 | 5.3% |
| 1939 or earlier | 14.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 6.1% |
| 1 bedroom | 7.8% |
| 2 bedrooms | 24.0% |
| 3 bedrooms | 41.5% |
| 4 bedrooms | 16.8% |
| 5+ bedrooms | 3.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 12.4% |
| 1 vehicle | 29.4% |
| 2 vehicles | 37.1% |
| 3 or more | 21.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 76.6% |
| Electricity | 14.4% |
| Propane / LP gas | 4.9% |
| Wood | 0.5% |
| No fuel used | 3.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 51,033 | 45.0% |
| Cohabiting couple | 8,323 | 6.7% |
| Male householder, no spouse | 22,104 | 19.4% |
| Female householder, no spouse | 33,859 | 28.9% |
| Households with children under 18 | 33,485 | 28.0% |
| Households with seniors (65+) | 36,889 | 35.7% |
| Average household size | 2.33 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 32.3% | 28.2% |
| Married | 49.5% | 45.2% |
| Separated | 1.8% | 1.5% |
| Widowed | 6.1% | 13.1% |
| Divorced | 10.2% | 12.0% |
Education
Less than 9th grade
4.3%
Some HS, no diploma
7.1%
HS graduate
33.3%
Some college, no degree
22.3%
Associate's degree
9.7%
Bachelor's degree
14.5%
Graduate / professional
8.8%
| Metric | % |
|---|---|
| HS diploma or higher | 88.6% |
| Bachelor's or higher | 23.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 4,353 | 6.4% |
| Kindergarten | 3,510 | 4.8% |
| Elementary school | 29,429 | 41.9% |
| High school | 15,477 | 22.6% |
| College / grad school | 13,218 | 18.6% |
Employment
Industry of employment
Education & healthcare
21.6%
Manufacturing
19.4%
Retail trade
10.9%
Professional & management
8.0%
Arts, food & hospitality
7.4%
Transportation & utilities
6.2%
Construction
5.9%
Other services
4.2%
Finance & real estate
3.7%
Wholesale trade
2.6%
Public administration
2.6%
Information
1.1%
Agriculture & mining
0.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 31.7% |
| Service | 16.0% |
| Sales & office | 19.0% |
| Natural resources & construction | 8.9% |
| Production & transportation | 18.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.3% |
| Government | 10.4% |
| Self-employed | 3.6% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.1% |
| Carpool | 8.7% |
| Public transit | 0.6% |
| Walk | 1.3% |
| Other means | 1.4% |
| Avg commute (minutes) | 22.4 |
Poverty
All people
12.9%
Under 18 years
19.2%
18 and over
10.9%
Married-couple families
4.0%
Female-led households
25.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 37.3% |
| Retirement income | 26.7% |
| Supplemental Security | 4.9% |
| Cash public assistance | 5.3% |
| Food stamps / SNAP | 15.2% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 36.0% |
| High cholesterol | 33.4% |
| Heart disease | 7.0% |
| Stroke | 3.5% |
| Asthma | 9.8% |
| Arthritis | 27.9% |
| Kidney disease | 3.2% |
| Pulmonary disease | 7.5% |
| Cancer | 7.3% |
| Behavior / access | % |
|---|---|
| Binge drinking | 14.4% |
| No physical activity | 27.0% |
| Less than 7 hrs sleep | 31.5% |
| Fair or poor health | 16.1% |
| Poor mental health | 12.9% |
| Poor physical health | 10.7% |
| No health insurance | 12.0% |
| Visited doctor (checkup) | 77.9% |
| Visited dentist | 63.6% |
| Cholesterol screening | 89.8% |
| Teeth loss | 15.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 14,848 | 8.1% |
| Disability | % |
|---|---|
| Any disability | 16.2% |
| Under 18 | 4.1% |
| 18–64 years | 10.7% |
| 65 and over | 36.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 63.4% |
| Public insurance | 43.9% |
| Uninsured under 19 | 3.8% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 267,802 | 94.3% |
| Spanish | 12,555 | 4.3% |
| Other Indo-European | 8,324 | 3.1% |
| Asian & Pacific Islander | 1,660 | 0.5% |
| Other languages | 1,522 | 0.4% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 260,347 | 92.6% |
| Born in same state | 257,822 | 91.9% |
| Born in different state | 198,505 | 69.0% |
| Foreign born | 2,525 | 0.7% |
| Naturalized citizen | 24,996 | 7.4% |
| Not a US citizen | 11,773 | 57.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 32,364 | 11.3% |
| French | 23,964 | 8.4% |
| Arab | 8,884 | 3.1% |
| Polish | 7,891 | 2.8% |
| English | 3,560 | 1.2% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 1,812 | 0.6% |
| Norwegian | 820 | 0.3% |
| German | 694 | 0.2% |
| Irish | 450 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 41.0% |
| Internet access | 88.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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