---
type: Jurisdiction
title: "Peoria County, IL"
classification: county
fips: "17143"
state: "IL"
demographics:
  population: 179645
  population_under_18: 42971
  population_18_64: 103861
  population_65_plus: 32813
  median_household_income: 65108
  poverty_rate: 15.67
  homeownership_rate: 67.0
  unemployment_rate: 6.17
  median_home_value: 158500
  gini_index: 0.4853
  vacancy_rate: 8.45
  race_white: 120891
  race_black: 31145
  race_asian: 8302
  race_native: 509
  hispanic: 10799
  bachelors_plus: 58283
districts:
  - to: "us/states/il/districts/16"
    rel: in-district
    area_weight: 0.596
  - to: "us/states/il/districts/17"
    rel: in-district
    area_weight: 0.404
  - to: "us/states/il/districts/senate/47"
    rel: in-district
    area_weight: 0.6605
  - to: "us/states/il/districts/senate/37"
    rel: in-district
    area_weight: 0.2274
  - to: "us/states/il/districts/senate/46"
    rel: in-district
    area_weight: 0.0922
  - to: "us/states/il/districts/senate/53"
    rel: in-district
    area_weight: 0.0199
  - to: "us/states/il/districts/house/93"
    rel: in-district
    area_weight: 0.6464
  - to: "us/states/il/districts/house/73"
    rel: in-district
    area_weight: 0.2274
  - to: "us/states/il/districts/house/92"
    rel: in-district
    area_weight: 0.0759
  - to: "us/states/il/districts/house/105"
    rel: in-district
    area_weight: 0.0199
  - to: "us/states/il/districts/house/91"
    rel: in-district
    area_weight: 0.0163
  - to: "us/states/il/districts/house/94"
    rel: in-district
    area_weight: 0.0141
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"
---

# Peoria County, IL

County jurisdiction — 1 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 179645 |
| Under 18 | 42971 |
| 18–64 | 103861 |
| 65+ | 32813 |
| Median household income | 65108 |
| Poverty rate | 15.67 |
| Homeownership rate | 67.0 |
| Unemployment rate | 6.17 |
| Median home value | 158500 |
| Gini index | 0.4853 |
| Vacancy rate | 8.45 |
| White | 120891 |
| Black | 31145 |
| Asian | 8302 |
| Native | 509 |
| Hispanic/Latino | 10799 |
| Bachelor's or higher | 58283 |

## Districts

- [IL-16](/us/states/il/districts/16.md) — 60% (congressional)
- [IL-17](/us/states/il/districts/17.md) — 40% (congressional)
- [IL Senate District 47](/us/states/il/districts/senate/47.md) — 66% (state senate)
- [IL Senate District 37](/us/states/il/districts/senate/37.md) — 23% (state senate)
- [IL Senate District 46](/us/states/il/districts/senate/46.md) — 9% (state senate)
- [IL Senate District 53](/us/states/il/districts/senate/53.md) — 2% (state senate)
- [IL House District 93](/us/states/il/districts/house/93.md) — 65% (state house)
- [IL House District 73](/us/states/il/districts/house/73.md) — 23% (state house)
- [IL House District 92](/us/states/il/districts/house/92.md) — 8% (state house)
- [IL House District 105](/us/states/il/districts/house/105.md) — 2% (state house)
- [IL House District 91](/us/states/il/districts/house/91.md) — 2% (state house)
- [IL House District 94](/us/states/il/districts/house/94.md) — 1% (state house)

## Source

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