Population density in Gallatin County

Population density in Gallatin County was 34.7 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is up 0.9% from 2024. That is the 37th highest of 120 counties in 2025.

2025, inhabitants per km²34.7
Change on 2024+0.9%
Series high34.72025
Series low34.12020

Population density in Gallatin County, 2020 to 2025

CSVChart (SVG)

3434.234.434.634.82020202120222023202420252020: 34.1 inhabitants per km²2021: 34.4 inhabitants per km²2022: 34.5 inhabitants per km²2023: 34.5 inhabitants per km²2024: 34.4 inhabitants per km²2025: 34.7 inhabitants per km²
inhabitants per km². Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09, published 2026-03-26.
All 6 values
Periodinhabitants per km²
202534.7
202434.4
202334.5
202234.5
202134.4
202034.1

Compared with Kentucky and United States

Place2025
Gallatin County34.7
Kentucky45
United States37.3

Rankings

Definition

Resident population divided by land area in km². World Bank figures use mid-year population and land area excluding inland water.

United States: Census Bureau population estimates for 1 July divided by land area (water excluded) from the latest Census Gazetteer files. US tables often give people per square mile; multiply persons per km² by 2.59 to compare.

How to cite

U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.

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Questions

What is the population density in Gallatin County?

Population density in Gallatin County was 34.7 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is up 0.9% from 2024. That is the 37th highest of 120 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². Retrieved by Invokely on 2026-10-09.

What was the highest population density in Gallatin County?

34.7 inhabitants per km² in 2025, the highest value since 2020 in this series.

More statistics for Gallatin County

All statistics for Gallatin County