Data / Population / Martin County

Population in Martin County

Population in Martin County was 9,856 in 2025, according to the U.S. Census Bureau. That is down 0.3% from 2024. That is the 88th highest of 92 counties in 2025.

2025, persons9,856
Change on 2024-0.3%
Rank88th of 92Counties in Indiana ranked
Series high9,8882024
Series low9,8022021

Population in Martin County, 2020 to 2025

CSVChart (SVG)

9,8009,8209,8409,8609,8809,9002020202120222023202420252020: 9,808 persons2021: 9,802 persons2022: 9,813 persons2023: 9,863 persons2024: 9,888 persons2025: 9,856 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20259,856
20249,888
20239,863
20229,813
20219,802
20209,808

Compared with Indiana and United States

Place2025
Martin County9,856
Indiana6,973,333
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Questions

What is the population in Martin County?

Population in Martin County was 9,856 in 2025, according to the U.S. Census Bureau. That is down 0.3% from 2024. That is the 88th highest of 92 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved by Invokely on 2026-10-08.

What was the highest population in Martin County?

9,888 in 2024, the highest value since 2020 in this series.

More statistics for Martin County

All statistics for Martin County