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Winnebago County, IL

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Winnebago County, IL
  • Location TypeCounty
  • County SeatRockford, IL
  • Population295,266
  • Land Area (Square Miles) 513.3600
  • Population Density (Per Square Mile) 575.2000

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Median Age

% Population African American

% Population Hispanic

% Population White

Population Density
(Persons per Square Mile)

Rural-Urban Continuum


Suggested Data Series

TitleLatest YearLatest ValueLatest Rank
Decennial Census Population (County)2010295,266220 of 3170
Decennial Census Population Per Square Mile (County)2010575.20250 of 3170
Percent of African American Population (County)201813.6%668 of 3131
Percent of Hispanic Population (County)201813.1%605 of 3139
Persistent Poverty Counties (County)201300 of 0 - 1
Rural-Urban Continuum for Counties (County)201322 of 1 - 9
Unemployment Rate (County)20195.7%293 of 3140
Death Rate (Per 100,000) (County)20161,011.601926 of 3105
Percent of Adults Physically Inactive (County)201624.7%2152 of 3141
Age-Adjusted Rate of Diabetes per 1,000 Persons (County)20168.401768 of 3141
Medicare Part D Prescription Enrollment Rate (County)201845.1%2018 of 3137
Farmers' Markets (County)20169191 of 2249
Percent of Children Without a Market Within One Mile (County)20157.5%2830 of 3004
Percent of School-age Children in Poverty (County)201825.3%721 of 3140
Total Public School Expenditures (County)2017$785,035,000.00186 of 3123
Number of Public Libraries (County)20177263 of 1287
Average Daily Maximum Heat Index (County)201193.471420 of 3103
Percentage of Days with a Good Air Quality Index (County)201971.2%866 of 1006
Second Highest 1-hour Carbon Monoxide Measurement (County)20121.8098 of 185
Greenhouse Gas Direct Emitting Facilities (County)20185282 of 1227
Average Fine Particulate Matter (County)201112.301241 of 3108
FEMA Public Assistance Grant Dollars Obligated for Disasters (County)2011$974,905.25341 of 1328
Total Deposits in Banks (County)2016-2017$5,344,932,000.00244 of 3108
Property Taxes as Percent of Income: Five-Year Estimates (County)2006-20105.0%80 of 2773
Percent of Firms Which are Women Owned (County)201237.7%497 of 3093
Manufacturing Establishments with 5 to 9 Employees (County)201894104 of 1961
Inmates Executed, All Races (Cumulative Since 1977) (County)1977-20181198 of 198
Immigrant Households Entering County According to Tax Returns (County)2015-201632560 of 484
Estimated Veteran Population Under 45 Years Old (County)20104,221268 of 3143
Total Planted Acres (County)2019126,736.551354 of 3034
Online, Mail Order, and Television Retail Sales in 2009 Dollars (County)2050$146,000,000.00535 of 2709
Total Retail and Food Service Sales in 2009 Dollars (County)2050$5,049,000,000.00321 of 3108
Earnings in Management of Companies and Enterprises Occupations in 2009 Dollars (County)2050$37,000,000.00706 of 2178
Population (County)2050307,000306 of 3076
Per Capita Total Personal Income (County)2050$199,154.001224 of 3112
Total Employees (County)2050210,000287 of 3065
Population 18 to 24 Years Old (County)205026,000320 of 2216
African American Male Population 25 Years Old (County)2050378213 of 2780
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