---
type: Jurisdiction
title: "Jefferson County, WI"
classification: county
fips: "55055"
state: "WI"
demographics:
  population: 86003
  population_under_18: 16971
  population_18_64: 53099
  population_65_plus: 15933
  median_household_income: 83750
  poverty_rate: 8.11
  homeownership_rate: 73.13
  unemployment_rate: 3.55
  median_home_value: 274100
  gini_index: 0.4025
  vacancy_rate: 5.47
  race_white: 76167
  race_black: 809
  race_asian: 561
  race_native: 362
  hispanic: 7309
  bachelors_plus: 22502
sources:
  - field: demographics
    source: Census ACS 2023
confidence: official
tags: [jurisdiction, county, wi]
timestamp: "2026-07-03"
---

# Jefferson County, WI

County jurisdiction — 1 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 86003 |
| Under 18 | 16971 |
| 18–64 | 53099 |
| 65+ | 15933 |
| Median household income | 83750 |
| Poverty rate | 8.11 |
| Homeownership rate | 73.13 |
| Unemployment rate | 3.55 |
| Median home value | 274100 |
| Gini index | 0.4025 |
| Vacancy rate | 5.47 |
| White | 76167 |
| Black | 809 |
| Asian | 561 |
| Native | 362 |
| Hispanic/Latino | 7309 |
| Bachelor's or higher | 22502 |

## Source

- demographics: Census ACS 2023