Winnebago County, Illinois Population 2022

Winnebago County, Illinois's estimated population is 283,366 with a growth rate of -0.35% in the past year according to the most recent United States census data. Winnebago County, Illinois is the 7th largest county in Illinois. The 2010 Population was 295,266 and has seen a growth of -4.03% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18404,6090.00%
185011,7737,164155.44%
186024,49112,718108.03%
187029,3014,81019.64%
188030,5051,2044.11%
189039,9389,43330.92%
190047,8457,90719.80%
191063,15315,30831.99%
192090,92927,77643.98%
1930117,37326,44429.08%
1940121,1783,8053.24%
1950152,38531,20725.75%
1960209,76557,38037.65%
1970246,62336,85817.57%
1980250,8844,2611.73%
1990252,9132,0290.81%
2010295,26642,35316.75%
2011294,274-992-0.34%
2012293,282-992-0.34%
2013292,290-992-0.34%
2014291,298-992-0.34%
2015290,306-992-0.34%
2016289,314-992-0.34%
2017288,322-992-0.34%
2018287,330-992-0.34%
2019286,338-992-0.35%
2020285,350-988-0.35%
2021284,358-992-0.35%
2022283,366-992-0.35%
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Winnebago County, Illinois Population Growth

Population by Race

Race Population Percentage
White217,75976.77%
Black or African American37,64213.27%
American Indian and Alaska Native4460.16%
Asian7,7062.72%
Native Hawaiian and Other Pacific Islander360.01%
Some Other Race6,7222.37%
Two or More Races13,3244.70%
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Winnebago County, Illinois Population by Race

Winnebago County, Illinois Population Pyramid 2022

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Winnebago County, Illinois Median Age

39.8


Total

38.6


Male

40.8


Female

Winnebago County, Illinois Adults

There are 217,144 adults, (49,555 of whom are seniors) in Winnebago County, Illinois.

Winnebago County, Illinois Age Dependency

Age Dependency Ratio

29.6

Old Age Dependency Ratio

39.7

Child Dependency Ratio

Winnebago County, Illinois Sex Ratio

Female

145,155

51.18%

Male

138,480

48.82%

Winnebago County, Illinois Population by Age

Winnebago County, Illinois Renter vs Owner Occupied by Household Type

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Winnebago County, Illinois Household Types

Type Owner Renter
Married85%15%
All65.5%34.5%
Male55.8%44.2%
Non Family53.3%46.7%
Female39.8%60.2%

65.5%

Rate of Home Ownership

Winnebago County, Illinois Households and Families

Type Count Average Size Owned
All115,7682.4165.5
Married51,4013.0385
Male6,0463.1455.8
Female16,7983.2539.8
Non Family41,5231.253.3

2.98

Average Family Size

2.41

Average Household Size

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Winnebago County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade7,6653.96%
9th to 12th Grade15,9298.23%
High School Graduate59,64530.80%
Some College47,51724.54%
Associates Degree18,3649.48%
Bachelors Degree28,74514.85%
Graduate Degree15,7658.14%
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Winnebago County, Illinois Educational Attainment by Sex (over 25)

Winnebago County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
Asian5,1444,4592,621
White145,041132,69336,347
2+ Races4,9583,701800
Black22,11318,5563,316
Other Race3,7932,113432
Hispanic18,48912,0431,625
Native American33522924
Islander1717

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 50.95%.

Winnebago County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$37,620$45,964$30,396
Less Than 9th Grade$23,075$28,075$15,431
High School Graduate$29,494$37,636$23,321
Some College$36,986$48,351$29,925
Bachelors Degree$53,277$64,506$46,703
Graduate Degree$69,815$77,149$63,823

$37,620

Average Earnings

$45,964

Average Male

$30,396

Average Female

Winnebago County, Illinois Earnings by Educational Attainment

Winnebago County, Illinois Language by Age

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Winnebago County, Illinois Language

85.28% of Winnebago County, Illinois residents speak only English, while 14.72% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.57% of the population.

Winnebago County, Illinois Language

Winnebago County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
Islander351851.43%
Black36,66813,94638.03%
Native41610324.76%
Multiple13,0553,15424.16%
Hispanic36,7298,13622.15%
Asian7,6681,01113.18%
White190,24519,06110.02%
Other1,262NaN%

15.78%

Overall Poverty Rate

14.66%

Male Poverty Rate

16.84%

Female Poverty Rate

Poverty in Winnebago County, Illinois

The race most likely to be in poverty in Winnebago County, Illinois is Islander, with 51.43% below the poverty level.

The race least likely to be in poverty in Winnebago County, Illinois is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.82%. Among those working part-time, it was 19.20%, and for those that did not work, the poverty rate was 20.12%.

Winnebago County, Illinois Poverty

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Name Poverty
Less Than 9th Grade27.57%
High School14.87%
Some College9.31%
Bachelors or Greater4.68%

Winnebago County, Illinois Poverty Rate by Education

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Rate Poverty
Male Employed6.87%
Male Unemployed32.70%
Female Employed9.29%
Female Unemployed44.78%

Winnebago County, Illinois Poverty Rate by Employment Status and Sex

Winnebago County, Illinois Income by Household Type

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Name Median Mean
Households$55,310$72,438
Families$67,029$85,390
Married Families$84,437$101,553
Non Families$33,025$45,643
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Income by Household Type

Winnebago County, Illinois Marital Status

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Marriage Rates

47.4%

Overall Marriage Rate

49.6%

Male Marriage Rate

45.4%

Female Marriage Rate

Winnebago County, Illinois Married by Age and Sex

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Winnebago County, Illinois Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Winnebago County, Illinois Marital Status by Race

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Winnebago County, Illinois Marital Status

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16,034

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War2,006
First Gulf War2,567
Vietnam6,189
Korea1,355
World War II665

Winnebago County, Illinois Veterans by War

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Age Group Veterans
18 to 341,011
35 to 543,241
55 to 642,718
65 to 744,753
75+4,311

Winnebago County, Illinois Veterans by Age

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Name Veterans % of Total
White14,1318.14%
Black1,2864.91%
Native American298.06%
Asian1823.17%
Other Race1382.95%
2+ Races2684.11%
Hispanic6492.81%

Winnebago County, Illinois Veterans by Race

Winnebago County, Illinois Veterans by Education

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5.54%

Veteran Poverty Rate

31.67%

Veteran Disability Rate

Winnebago County, Illinois Veterans by Education

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63.5%

Labor Force Participation

58.5%

Employment Rate

7.8%

Unemployment Rate

Winnebago County, Illinois Employment by Age

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Winnebago County, Illinois Employment by Race

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Winnebago County, Illinois Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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68.38%

Born in Winnebago County, Illinois

91.24%

Native Born

8.76%

Foreign Born

4.65%

Non Citizen

4.11%

Naturalized

Place of Birth

91.24% of Winnebago County, Illinois residents were born in the United States, with 68.38% having been born in Illinois. 4.65% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Winnebago County, Illinois Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources