---
type: Jurisdiction
title: "Winnebago County, IL"
classification: county
fips: "17201"
state: "IL"
demographics:
  population: 283292
  population_under_18: 66531
  population_18_64: 164243
  population_65_plus: 52518
  median_household_income: 65837
  poverty_rate: 15.62
  homeownership_rate: 65.86
  unemployment_rate: 7.26
  median_home_value: 164500
  gini_index: 0.4496
  vacancy_rate: 7.19
  race_white: 188087
  race_black: 34098
  race_asian: 8280
  race_native: 1849
  hispanic: 44014
  bachelors_plus: 66985
sources:
  - field: demographics
    source: Census ACS 2023
confidence: official
tags: [jurisdiction, county, il]
timestamp: "2026-07-03"
---

# Winnebago County, IL

County jurisdiction — 2 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 283292 |
| Under 18 | 66531 |
| 18–64 | 164243 |
| 65+ | 52518 |
| Median household income | 65837 |
| Poverty rate | 15.62 |
| Homeownership rate | 65.86 |
| Unemployment rate | 7.26 |
| Median home value | 164500 |
| Gini index | 0.4496 |
| Vacancy rate | 7.19 |
| White | 188087 |
| Black | 34098 |
| Asian | 8280 |
| Native | 1849 |
| Hispanic/Latino | 44014 |
| Bachelor's or higher | 66985 |

## Source

- demographics: Census ACS 2023