Winnebago County, IL Demographics

What is the population of Winnebago County?

There are 290,402 residents in Winnebago County, with a median age of 41. Of this, 48.89% are males and 51.11% are females. US-born citizens make up 90.45% of the resident pool in Winnebago County, while non-US-born citizens account for 5.08%. Additionally, 4.47% of the population is represented by non-citizens. A total of 249,200 people in Winnebago County currently live in the same house as they did last year.
Y-o-Y Change
Total Population 290,402 -0.4%
Male Population 141,991 -0.8%
Female Population 148,411 -0.0%
Male Population 48.89%
Female Population 51.11%
Y-o-Y Change
Median Age 41 -1.7%
Citizen U.S. Born 262,669 -0.5%
Citizen not U.S. Born 14,748 2.5%
Not Citizen 12,985 -1.8%
Citizen U.S. Born 90.45%
Citizen not U.S. Born 5.08%
Not Citizen 4.47%
Y-o-Y Change
Moved from Abroad 1,625 19.1%
Moved from Same County 25,084 -1.0%
Moved from Same State 6,496 -2.9%
Moved from Different State 4,678 4.1%
Same House as Last Year 249,200 -0.4%
Moved from Abroad 0.57%
Moved from Same County 8.74%
Moved from Same State 2.26%
Moved from Different State 1.63%
Same House as Last Year 86.8%

What are the employment statistics in Winnebago County?

White-collar workers make up 70.36% of the working population in Winnebago County, while blue-collar employees account for 29.64%. There are also 19,652 entrepreneurs in Winnebago County (7.45% of the workforce); 188,326 workers employed in private companies (71.36%); and 29,500 people working in governmental institutions (11.18%).
Y-o-Y Change
White Collar 185,696 99.0%
Blue Collar 78,228 96.0%
White Collar 70.36%
Blue Collar 29.64%
Y-o-Y Change
Self Employees 19,652 92.4%
Private Companies 188,326 94.6%
Governmental Workers 29,500 112.1%
Not for Profit Companies 26,446 114.4%
Self Employees 7.45%
Private Companies 71.36%
Governmental Workers 11.18%
Not for Profit Companies 10.02%

How many households are there in Winnebago County?

There are a total of 117,942 households in Winnebago County, each made up of around 2 members. Family establishments represent 63.04% of these Winnebago County households, while non-family units account for the remaining 36.96%. Additionally, 28.85% of households have children and 71.15% of households are without children.
Y-o-Y Change
Total households 117,942 0.2%
Average People per Household 2 -21.4%
Family Households 74,353 -1.0%
Non-Family Households 43,589 2.4%
Family Households 63.04%
Non-Family Households 36.96%
Y-o-Y Change
Households with Children 34,031 -0.1%
Households without Children 83,911 0.4%
Households with Children 28.85%
Households without Children 71.15%

What are the median and average incomes in Winnebago County?

The average annual household income in Winnebago County is $91,380, while the median household income sits at $74,632 per year. Residents aged 25 to 44 earn $81,244, while those between 45 and 64 years old have a median wage of $96,439. In contrast, people younger than 25 and those older than 65 earn less, at $44,828 and $54,689, respectively.
Y-o-Y Change
Average Household Income $91,380 3.4%
Median Household Income $74,632 3.4%
People below Poverty Level 43,725 -0.7%
People above Poverty Level 239,246 -0.2%

How many homeowners and renters are there in Winnebago County?

There are 127,601 housing units in Winnebago County, and the median year in which these properties were built is 1977. Of the 117,942 occupied housing units in Winnebago County, 65.81% are owner-occupied, while 34.19% have renters living in them. Meanwhile, properties bought with mortgages account for 59.48% of the units, and the median value of a home with a mortgage is $168,250. In general, housing costs reach $1,046 per month in Winnebago County.
Y-o-Y Change
Housing Units 127,601 -0.1%
Median Year Built 1977 0.0%
Built in 1939 or Earlier 19,652 -1.0%
Built between 1940 and 1949 8,099 5.0%
Built between 1950 and 1959 17,826 -0.6%
Built between 1960 and 1969 16,200 -2.9%
Built between 1970 and 1979 18,909 -2.9%
Built between 1980 and 1989 13,739 2.4%
Built between 1990 and 1999 15,892 0.8%
Built between 2000 and 2009 14,297 0.2%
Built between 2010 and 2019 2,626 7.5%
Built in 2020 or Later 361 116.2%
Y-o-Y Change
Occupied Housing Units 117,942 0.2%
Owner Occupied 77,617 -0.3%
Renter Occupied 40,325 1.4%
Owner Occupied 65.81%
Renter Occupied 34.19%
Y-o-Y Change
With Mortgage 46,170 -2.6%
Without Mortgage 31,447 3.2%
Median Value with Mortgage $168,250 9.2%
Median Value without Mortgage $159,050 6.7%
Median Housing Costs per Month $1,046 0.4%
With Mortgage 59.48%
Without Mortgage 40.52%

What is the level of education in Winnebago County?

Approximately 40.08% of the population in Winnebago County holds a high school degree (that's 88,913 residents), while 23.72% have attained a college certificate (52,611 locals) and 15.17% have a bachelor's degree (33,660 people).
Y-o-Y Change
No High School 7,476 -3.1%
Some High School 88,913 -1.3%
Some College 52,611 -20.4%
Associate Degree 20,995 0.3%
Bachelor's Degree 33,660 1.2%
Graduate Degree 18,189 1.1%
No High School 3.37%
Some High School 40.08%
Some College 23.72%
Associate Degree 9.46%
Bachelor's Degree 15.17%
Graduate Degree 8.2%

What is the marital status of Winnebago County residents?

A total of 79,159 people in Winnebago County have never been married (which represents 33.32% of the total population), while 112,451 of them are wedded (47.33%). Separated and divorced residents are in smaller numbers, at 3,237 (1.36%) and 28,112 (11.83%), respectively.
Y-o-Y Change
Never Married 79,159 1.0%
Married 112,451 -1.5%
Separated 3,237 -11.8%
Widowed 14,625 -0.7%
Divorced 28,112 -1.1%
Never Married 33.32%
Married 47.33%
Separated 1.36%
Widowed 6.16%
Divorced 11.83%

What are the most common means of transportation in Winnebago County?

The top three means of transportation people in Winnebago County use to get to work are: car, walking and bus or trolley bus. A total of 114,117 residents commute by car, 1,472 prefer going to work by walking and 652 by bus or trolley bus
Y-o-Y Change
Car 114,117 -2.3%
Bus or TrolleyBus 652 -14.4%
Railroad 15 -44.4%
Ferryboat 31 82.3%
Bicycle 262 -11.5%
Motorcycle 177 25.5%
TaxiCab 509 24.4%
Walk 1,472 2.4%

What is the median and average household income in Winnebago County by zipcode?

ZipCode Population Number of Households Median Income Average Income
61011 2,743 993 $136,172 $179,374
61016 5,166 2,091 $92,865 $109,518
61019 3,341 1,309 $100,066 $113,696
61024 2,264 926 $73,152 $85,160
61063 4,257 1,704 $88,063 $106,825
61072 11,342 4,275 $102,604 $119,692
61073 20,008 7,172 $104,534 $122,215
61077 101 51 $0 $0
61079 220 98 $46,176 $65,471
61080 11,062 4,561 $78,533 $91,820

Methodology & Disclaimers

Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2023 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.