---
type: Jurisdiction
title: "Lake County, IL"
classification: county
fips: "17097"
state: "IL"
demographics:
  population: 714223
  population_under_18: 166306
  population_18_64: 435125
  population_65_plus: 112792
  median_household_income: 110416
  poverty_rate: 8.34
  homeownership_rate: 74.83
  unemployment_rate: 5.19
  median_home_value: 345700
  gini_index: 0.4796
  vacancy_rate: 4.49
  race_white: 437310
  race_black: 47642
  race_asian: 62162
  race_native: 6816
  hispanic: 177631
  bachelors_plus: 322523
districts:
  - to: "us/states/il/districts/10"
    rel: in-district
    area_weight: 0.2674
  - to: "us/states/il/districts/09"
    rel: in-district
    area_weight: 0.0304
  - to: "us/states/il/districts/05"
    rel: in-district
    area_weight: 0.0288
  - to: "us/states/il/districts/11"
    rel: in-district
    area_weight: 0.0166
  - to: "us/states/il/districts/senate/31"
    rel: in-district
    area_weight: 0.1071
  - to: "us/states/il/districts/senate/26"
    rel: in-district
    area_weight: 0.089
  - to: "us/states/il/districts/senate/32"
    rel: in-district
    area_weight: 0.0523
  - to: "us/states/il/districts/senate/30"
    rel: in-district
    area_weight: 0.0519
  - to: "us/states/il/districts/senate/29"
    rel: in-district
    area_weight: 0.0434
  - to: "us/states/il/districts/house/61"
    rel: in-district
    area_weight: 0.0682
  - to: "us/states/il/districts/house/52"
    rel: in-district
    area_weight: 0.059
  - to: "us/states/il/districts/house/64"
    rel: in-district
    area_weight: 0.0523
  - to: "us/states/il/districts/house/58"
    rel: in-district
    area_weight: 0.0401
  - to: "us/states/il/districts/house/62"
    rel: in-district
    area_weight: 0.0389
  - to: "us/states/il/districts/house/51"
    rel: in-district
    area_weight: 0.03
  - to: "us/states/il/districts/house/59"
    rel: in-district
    area_weight: 0.0273
  - to: "us/states/il/districts/house/60"
    rel: in-district
    area_weight: 0.0247
sources:
  - field: demographics
    source: "Census ACS 2023"
  - field: districts
    source: "PostGIS area-intersection over Census TIGER 2024 boundaries"
confidence: official
tags: [jurisdiction, county, il]
timestamp: "2026-07-03"
---

# Lake County, IL

County jurisdiction — 2 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 714223 |
| Under 18 | 166306 |
| 18–64 | 435125 |
| 65+ | 112792 |
| Median household income | 110416 |
| Poverty rate | 8.34 |
| Homeownership rate | 74.83 |
| Unemployment rate | 5.19 |
| Median home value | 345700 |
| Gini index | 0.4796 |
| Vacancy rate | 4.49 |
| White | 437310 |
| Black | 47642 |
| Asian | 62162 |
| Native | 6816 |
| Hispanic/Latino | 177631 |
| Bachelor's or higher | 322523 |

## Districts

- [IL-10](/us/states/il/districts/10.md) — 27% (congressional)
- [IL-09](/us/states/il/districts/09.md) — 3% (congressional)
- [IL-05](/us/states/il/districts/05.md) — 3% (congressional)
- [IL-11](/us/states/il/districts/11.md) — 2% (congressional)
- [IL Senate District 31](/us/states/il/districts/senate/31.md) — 11% (state senate)
- [IL Senate District 26](/us/states/il/districts/senate/26.md) — 9% (state senate)
- [IL Senate District 32](/us/states/il/districts/senate/32.md) — 5% (state senate)
- [IL Senate District 30](/us/states/il/districts/senate/30.md) — 5% (state senate)
- [IL Senate District 29](/us/states/il/districts/senate/29.md) — 4% (state senate)
- [IL House District 61](/us/states/il/districts/house/61.md) — 7% (state house)
- [IL House District 52](/us/states/il/districts/house/52.md) — 6% (state house)
- [IL House District 64](/us/states/il/districts/house/64.md) — 5% (state house)
- [IL House District 58](/us/states/il/districts/house/58.md) — 4% (state house)
- [IL House District 62](/us/states/il/districts/house/62.md) — 4% (state house)
- [IL House District 51](/us/states/il/districts/house/51.md) — 3% (state house)
- [IL House District 59](/us/states/il/districts/house/59.md) — 3% (state house)
- [IL House District 60](/us/states/il/districts/house/60.md) — 2% (state house)

## Source

- demographics: Census ACS 2023
- districts: PostGIS area-intersection over Census TIGER 2024 boundaries