Winnebago County
Medium metro
FIPS 17201
Profiled Cities (1)
People
283.7K
Population
Census 2025 Est.552.9/sq mi
Density
Census 2025 Est.-0.4%
Growth 2020–25
Census 2020–2025$66K
Median HH Income
ACS 2024 5-yr39.6
Median Age
ACS 2024 5-yr88.8%
Bachelor's+
ACS 2024 5-yr15.6%
Poverty Rate
SAIPE 20246.2%
Uninsured
ACS 2024 5-yr65.9%
Owner-Occupied
ACS 2024 5-yr15.3%
Disability
ACS 2024 5-yr15.5%
Hispanic
ACS 2024 5-yr63.8%
Non-Hisp. White
ACS 2024 5-yr11.6%
Non-Hisp. Black
ACS 2024 5-yrMigration
IRS Statistics of Income county migration. Measures tax filer movement, not Census population counts.
9.5K
Inflow (people)
IRS SOI 2022–239.9K
Outflow (people)
IRS SOI 2022–23-393
Net Migration
IRS SOI 2022–23Economy
5.6%
Unemployment
BLS LAUS 2025133.8K
Labor Force
BLS LAUS 2025$55K
Per Capita Income
BEA 2024$18.8B
County GDP
BEA 20246.3K
Business Establishments
CBP 2023117.1K
Employees
CBP 2023$6.5B
Annual Payroll
CBP 2023Housing
$164K
Median Home Value
ACS 2024 5-yr$1K
Median Gross Rent
ACS 2024 5-yr14.1K
Owner HH w/ Housing Problems
ACS 2024 5-yr18.2K
Renter HH w/ Housing Problems
ACS 2024 5-yrNo
Housing Stress (USDA)
ACS 2024 5-yrHealth
77th pctile
Social Vulnerability
CDC SVI 202242.2%
Adult Obesity
CDC PLACES 202511.7%
Diabetes
CDC PLACES 202518.8%
Poor Mental Health
CDC PLACES 202515.9%
Current Smoking
CDC PLACES 202577.9/100K
Primary Care Physicians
HRSA AHRF 2024–252.3/1K
Hospital Beds
HRSA AHRF 2024–25608.9/1K bene
Medicare ER Visits
CMS 2023Environment & Risk
92.4
FEMA Risk Score
FEMA NRI Dec 2025Relatively Moderate
Risk Rating
FEMA NRI Dec 2025Relatively High
Resilience Rating
FEMA NRI Dec 2025$121.6M
Expected Annual Loss
FEMA NRI Dec 20259.10
PM2.5 (EPA EJScreen)
EPA EJScreen 20240.14
Diesel PM
EPA EJScreen 20241.4%
EJ Demographic Index
EPA EJScreen 2024Broadband & Food Access
1.0%
Fixed Broadband 100/20 Mbps
FCC 20241.0%
Mobile 5G Coverage
FCC 202426.4%
Low Food Access (pop)
USDA FEA 20191.8%
No-Car Low Food Access (HH)
USDA FEA 2019Land & Climate
513.0 sq mi
Land Area
TIGER 202448.5°F
Avg Temp (1991–2020)
NOAA 1991–202058.4°F
Avg Max Temp
NOAA 1991–202038.6°F
Avg Min Temp
NOAA 1991–202037.4"
Annual Precip
NOAA 1991–2020County Character
Metro - Counties in metro areas of 250,000 to 1 million population
Rural-Urban Class (RUCC)
TIGER 2024Medium metro
NCHS Urban-Rural Class
TIGER 2024Manufacturing-dependent
Industry Dependence (USDA)
TIGER 2024None
Typology Flags
TIGER 2024