---
type: Jurisdiction
title: "Yellowstone County, MT"
classification: county
fips: "30111"
state: "MT"
demographics:
  population: 168957
  population_under_18: 38803
  population_18_64: 99262
  population_65_plus: 30892
  median_household_income: 76570
  poverty_rate: 9.19
  homeownership_rate: 69.62
  unemployment_rate: 3.38
  median_home_value: 349500
  gini_index: 0.4568
  vacancy_rate: 5.85
  race_white: 144550
  race_black: 1146
  race_asian: 1298
  race_native: 6682
  hispanic: 11144
  bachelors_plus: 52017
sources:
  - field: demographics
    source: Census ACS 2023
confidence: official
tags: [jurisdiction, county, mt]
timestamp: "2026-07-03"
---

# Yellowstone County, MT

County jurisdiction — 1 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 168957 |
| Under 18 | 38803 |
| 18–64 | 99262 |
| 65+ | 30892 |
| Median household income | 76570 |
| Poverty rate | 9.19 |
| Homeownership rate | 69.62 |
| Unemployment rate | 3.38 |
| Median home value | 349500 |
| Gini index | 0.4568 |
| Vacancy rate | 5.85 |
| White | 144550 |
| Black | 1146 |
| Asian | 1298 |
| Native | 6682 |
| Hispanic/Latino | 11144 |
| Bachelor's or higher | 52017 |

## Source

- demographics: Census ACS 2023