---
type: Jurisdiction
title: "Waukesha County, WI"
classification: county
fips: "55133"
state: "WI"
demographics:
  population: 411762
  population_under_18: 86298
  population_18_64: 241126
  population_65_plus: 84338
  median_household_income: 106076
  poverty_rate: 5.23
  homeownership_rate: 75.98
  unemployment_rate: 2.3
  median_home_value: 398200
  gini_index: 0.4377
  vacancy_rate: 3.95
  race_white: 357179
  race_black: 6501
  race_asian: 15988
  race_native: 1028
  hispanic: 23650
  bachelors_plus: 193682
districts:
  - to: "us/states/wi/districts/05"
    rel: in-district
    area_weight: 0.9999
  - to: "us/states/wi/districts/senate/33"
    rel: in-district
    area_weight: 0.5372
  - to: "us/states/wi/districts/senate/28"
    rel: in-district
    area_weight: 0.2894
  - to: "us/states/wi/districts/senate/5"
    rel: in-district
    area_weight: 0.1101
  - to: "us/states/wi/districts/senate/8"
    rel: in-district
    area_weight: 0.0632
  - to: "us/states/wi/districts/house/97"
    rel: in-district
    area_weight: 0.3264
  - to: "us/states/wi/districts/house/99"
    rel: in-district
    area_weight: 0.1442
  - to: "us/states/wi/districts/house/84"
    rel: in-district
    area_weight: 0.1429
  - to: "us/states/wi/districts/house/83"
    rel: in-district
    area_weight: 0.0952
  - to: "us/states/wi/districts/house/15"
    rel: in-district
    area_weight: 0.084
  - to: "us/states/wi/districts/house/98"
    rel: in-district
    area_weight: 0.0665
  - to: "us/states/wi/districts/house/24"
    rel: in-district
    area_weight: 0.0632
  - to: "us/states/wi/districts/house/82"
    rel: in-district
    area_weight: 0.0514
  - to: "us/states/wi/districts/house/13"
    rel: in-district
    area_weight: 0.0261
sources:
  - field: demographics
    source: "Census ACS 2023"
  - field: districts
    source: "PostGIS area-intersection over Census TIGER 2024 boundaries"
confidence: official
tags: [jurisdiction, county, wi]
timestamp: "2026-07-03"
---

# Waukesha County, WI

County jurisdiction — 6 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 411762 |
| Under 18 | 86298 |
| 18–64 | 241126 |
| 65+ | 84338 |
| Median household income | 106076 |
| Poverty rate | 5.23 |
| Homeownership rate | 75.98 |
| Unemployment rate | 2.3 |
| Median home value | 398200 |
| Gini index | 0.4377 |
| Vacancy rate | 3.95 |
| White | 357179 |
| Black | 6501 |
| Asian | 15988 |
| Native | 1028 |
| Hispanic/Latino | 23650 |
| Bachelor's or higher | 193682 |

## Districts

- [WI-05](/us/states/wi/districts/05.md) — 100% (congressional)
- [WI Senate District 33](/us/states/wi/districts/senate/33.md) — 54% (state senate)
- [WI Senate District 28](/us/states/wi/districts/senate/28.md) — 29% (state senate)
- [WI Senate District 5](/us/states/wi/districts/senate/5.md) — 11% (state senate)
- [WI Senate District 8](/us/states/wi/districts/senate/8.md) — 6% (state senate)
- [WI House District 97](/us/states/wi/districts/house/97.md) — 33% (state house)
- [WI House District 99](/us/states/wi/districts/house/99.md) — 14% (state house)
- [WI House District 84](/us/states/wi/districts/house/84.md) — 14% (state house)
- [WI House District 83](/us/states/wi/districts/house/83.md) — 10% (state house)
- [WI House District 15](/us/states/wi/districts/house/15.md) — 8% (state house)
- [WI House District 98](/us/states/wi/districts/house/98.md) — 7% (state house)
- [WI House District 24](/us/states/wi/districts/house/24.md) — 6% (state house)
- [WI House District 82](/us/states/wi/districts/house/82.md) — 5% (state house)
- [WI House District 13](/us/states/wi/districts/house/13.md) — 3% (state house)

## Source

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