Data / Population density / Martin County

Population density in Martin County

Population density in Martin County was 2.2 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is unchanged from 2024. That is the 191st highest of 254 counties in 2025.

2025, inhabitants per km²2.2
Change on 2024-0%
Rank191st of 254Counties in Texas ranked
Series high2.22024
Series low2.22021

Population density in Martin County, 2020 to 2025

CSVChart (SVG)

2.22.212.222.232.242020202120222023202420252020: 2.2 inhabitants per km²2021: 2.2 inhabitants per km²2022: 2.2 inhabitants per km²2023: 2.2 inhabitants per km²2024: 2.2 inhabitants per km²2025: 2.2 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
20252.2
20242.2
20232.2
20222.2
20212.2
20202.2

Compared with Texas and United States

Place2025
Martin County2.2
Texas46.9
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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What is the latest population density in Martin County? Cite the source.
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Questions

What is the population density in Martin County?

Population density in Martin County was 2.2 inhabitants per km² in 2025, according to the U.S. Census Bureau. That is unchanged from 2024. That is the 191st highest of 254 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 Martin County?

2.2 inhabitants per km² in 2024, the highest value since 2020 in this series.

More statistics for Martin County

All statistics for Martin County