---
type: Jurisdiction
title: "Gallatin County, MT"
classification: county
fips: "30031"
state: "MT"
demographics:
  population: 124074
  population_under_18: 23305
  population_18_64: 83904
  population_65_plus: 16865
  median_household_income: 93528
  poverty_rate: 9.52
  homeownership_rate: 61.06
  unemployment_rate: 2.31
  median_home_value: 667600
  gini_index: 0.4764
  vacancy_rate: 11.04
  race_white: 110173
  race_black: 555
  race_asian: 1560
  race_native: 755
  hispanic: 6658
  bachelors_plus: 60419
sources:
  - field: demographics
    source: Census ACS 2023
confidence: official
tags: [jurisdiction, county, mt]
timestamp: "2026-07-03"
---

# Gallatin County, MT

County jurisdiction — 2 officeholders mapped.

## Demographics (ACS 2023)

| Measure | Value |
| --- | --- |
| Population | 124074 |
| Under 18 | 23305 |
| 18–64 | 83904 |
| 65+ | 16865 |
| Median household income | 93528 |
| Poverty rate | 9.52 |
| Homeownership rate | 61.06 |
| Unemployment rate | 2.31 |
| Median home value | 667600 |
| Gini index | 0.4764 |
| Vacancy rate | 11.04 |
| White | 110173 |
| Black | 555 |
| Asian | 1560 |
| Native | 755 |
| Hispanic/Latino | 6658 |
| Bachelor's or higher | 60419 |

## Source

- demographics: Census ACS 2023