Data / Population density / Jefferson County

Population density in Jefferson County

Population density in Jefferson County was 84.2 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is up 1.4% from 2024. That is the 17th highest of 95 counties in 2025.

2025, inhabitants per km²84.2
Change on 2024+1.4%
Rank17th of 95Counties in Tennessee ranked
Series high84.22025
Series low772020

Population density in Jefferson County, 2020 to 2025

CSVChart (SVG)

7678808284862020202120222023202420252020: 77 inhabitants per km²2021: 77.9 inhabitants per km²2022: 79.6 inhabitants per km²2023: 81.2 inhabitants per km²2024: 83.1 inhabitants per km²2025: 84.2 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
202584.2
202483.1
202381.2
202279.6
202177.9
202077

Compared with Tennessee and United States

Place2025
Jefferson County84.2
Tennessee68.5
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 Jefferson County?

Population density in Jefferson County was 84.2 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is up 1.4% from 2024. That is the 17th highest of 95 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 Jefferson County?

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

More statistics for Jefferson County

All statistics for Jefferson County