Winnebago County, Illinois Population 2019

Winnebago County, Illinois's estimated population is 284,740 with a growth rate of -0.46% in the past year according to the most recent United States census data. Winnebago County, Illinois is the 7th largest county in Illinois.

Year Population Growth Growth Rate
2018284,081-659-0.23%
2017284,740-1,314-0.46%
2016286,054-1,168-0.41%
2015287,222-1,553-0.54%
2014288,775-2,219-0.76%
2013290,994-1,118-0.38%
2012292,112-1,522-0.52%
2011293,634-1,454-0.49%
2010295,08842,17516.68%
1990252,9132,0290.81%
1980250,8844,2611.73%
1970246,62336,85817.57%
1960209,76557,38037.65%
1950152,38531,20725.75%
1940121,1783,8053.24%
1930117,37326,44429.08%
192090,92927,77643.98%
191063,15315,30831.99%
190047,8457,90719.80%
189039,9389,43330.92%
188030,5051,2044.11%
187029,3014,81019.64%
186024,49112,718108.03%
185011,7737,164155.44%
18404,6090.00%

Winnebago County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White226,817
Black or African American36,256
Two or More Races8,737
Some Other Race7,468
Asian7,305
American Indian and Alaska Native847
Native Hawaiian and Other Pacific Islander82

Winnebago County, Illinois Population Pyramid 2019

Winnebago County, Illinois Median Age

39.6


Total

38.3


Male

40.8


Female

Winnebago County, Illinois Adults

There are 219,221 adults, (46,416 of whom are seniors) in Winnebago County, Illinois.

Winnebago County, Illinois Age Dependency

66.4

Age Dependency Ratio

26.9

Old Age Dependency Ratio

39.5

Child Dependency Ratio

Winnebago County, Illinois Sex Ratio

Female

147,058

51.15%

Male

140,454

48.85%

Winnebago County, Illinois Households and Families

Winnebago County, Illinois Renter vs Owner Occupied by Household Type

Winnebago County, Illinois Household Types

Type Owner Renter
Married84.5%15.5%
All66.1%33.9%
Non Family53.7%46.3%
Male51.9%48.1%
Female42.5%57.5%

66.1%

Rate of Home Ownership

Type Count Average Size Owned
All114,4912.4766.1
Married52,4023.1184.5
Non Family39,9901.1953.7
Female16,0233.2942.5
Male6,0763.2951.9

3.06

Average Family Size

2.47

Average Household Size

6.5%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Winnebago County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade8,4944.36%
9th to 12th Grade16,0098.22%
High School Graduate62,58932.12%
Some College46,83124.04%
Associates Degree17,2148.84%
Bachelors Degree27,53014.13%
Graduate Degree16,1678.30%

Winnebago County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White149,530136,69737,120
Black20,74516,6142,389
Hispanic17,18910,9271,650
Asian4,8253,8711,984
Other Race4,1032,431427
Multiple Races2,9852,465553
Native American60647980
Islander59595

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 41.12%.

Name Average Male Female
Overall$35,232$42,300$28,231
Less Than High School$20,531$26,728$13,382
High School Grad$29,601$36,547$23,686
Some College$34,179$43,211$27,259
Bachelors Degree$50,230$63,537$41,046
Graduate Degree$64,151$74,823$58,085

$35,232

Average Earnings

$42,300

Average Male

$28,231

Average Female

Winnebago County, Illinois Language

Winnebago County, Illinois Language by Age

Winnebago County, Illinois Language

86.12% of Winnebago County, Illinois residents speak only English, while 13.88% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.23% of the population.

Winnebago County, Illinois Poverty

Winnebago County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White198,78619,3139.72%
Black35,18413,35137.95%
Hispanic34,6477,84122.63%
Multiple8,4112,13525.38%
Other7,4521,66922.40%
Asian7,2891,11915.35%
Native80929135.97%
Islander812733.33%

15.27%

Overall Poverty Rate

13.71%

Male Poverty Rate

16.76%

Female Poverty Rate

Poverty in Winnebago County, Illinois

The race most likely to be in poverty in Winnebago County, Illinois is Black, with 37.95% below the poverty level.

The race least likely to be in poverty in Winnebago County, Illinois is White, with 9.72% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.17%. Among those working part-time, it was 17.90%, and for those that did not work, the poverty rate was 20.72%.

Name Poverty
Less Than High School26.67%
High School12.79%
Some College10.05%
Bachelors or Greater4.43%
Name Poverty
Female Unemployed44.69%
Male Unemployed31.94%
Female Employed9.18%
Male Employed5.78%

Winnebago County, Illinois Income

Winnebago County, Illinois Income by Household Type

Name Median Mean
Households$51,110$67,175
Families$61,580$78,854
Married Families$77,241$93,209
Non Families$31,076$42,311

Winnebago County, Illinois Marital Status

Winnebago County, Illinois Marital Status

Marriage Rates

48.2%

Overall Marriage Rate

50.5%

Male Marriage Rate

46.1%

Female Marriage Rate

Winnebago County, Illinois Married by Age and Sex

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

Winnebago County, Illinois Veterans

18,366

Number of Veterans

17,293

Male Veterans

1,073

Female Veterans

War Veterans
Vietnam6,727
First Gulf War2,575
Second Gulf War2,316
Korea1,837
World War II1,219

Winnebago County, Illinois Veterans by Race

Name Veterans % of Total
White16,4129.15%
Black1,4515.87%
Hispanic5762.71%
2 or More1914.67%
Asian1592.94%
Other941.98%
Indian578.30%
Hawaiian22.47%

Winnebago County, Illinois Veterans by Education

7.86%

Veteran Poverty Rate

29.47%

Veteran Disability Rate

Winnebago County, Illinois Employment Status

64.7%

Labor Force Participation

58.2%

Employment Rate

10%

Unemployment Rate

Population of Cities in Winnebago County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Rockford 153162147651-5511-3.60%
Loves Park 2399923413-586-2.44%
Machesney Park2349522873-622-2.65%
Roscoe1078210521-261-2.42%
South Beloit78967652-244-3.09%
Rockton76857499-186-2.42%
Cherry Valley 31623087-75-2.37%
Winnebago31013002-99-3.19%
Pecatonica22032111-92-4.18%
Durand14501404-46-3.17%
New Milford697666-31-4.45%
  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