Data / Population / Musselshell County

Population in Musselshell County

Population in Musselshell County was 5,582 in 2025, according to the U.S. Census Bureau. That is up 2.4% from 2024. That is the 35th highest of 56 counties in 2025.

2025, persons5,582
Change on 2024+2.4%
Rank35th of 56Counties in Montana ranked
Series high5,5822025
Series low4,7482020

Population in Musselshell County, 2020 to 2025

CSVChart (SVG)

4,6004,8005,0005,2005,4005,6002020202120222023202420252020: 4,748 persons2021: 4,911 persons2022: 5,198 persons2023: 5,386 persons2024: 5,452 persons2025: 5,582 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20255,582
20245,452
20235,386
20225,198
20214,911
20204,748

Compared with Montana and United States

Place2025
Musselshell County5,582
Montana1,144,694
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 Musselshell County?

Population in Musselshell County was 5,582 in 2025, according to the U.S. Census Bureau. That is up 2.4% from 2024. That is the 35th highest of 56 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 Musselshell County?

5,582 in 2025, the highest value since 2020 in this series.

More statistics for Musselshell County

All statistics for Musselshell County