Data / Population / Mountrail County

Population in Mountrail County

Population in Mountrail County was 9,395 in 2025, according to the U.S. Census Bureau. That is down 0.8% from 2024. That is the 16th highest of 53 counties in 2025.

2025, persons9,395
Change on 2024-0.8%
Rank16th of 53Counties in North Dakota ranked
Series high9,8082020
Series low9,2492022

Population in Mountrail County, 2020 to 2025

CSVChart (SVG)

9,2009,4009,6009,80010K2020202120222023202420252020: 9,808 persons2021: 9,571 persons2022: 9,249 persons2023: 9,416 persons2024: 9,475 persons2025: 9,395 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20259,395
20249,475
20239,416
20229,249
20219,571
20209,808

Compared with North Dakota and United States

Place2025
Mountrail County9,395
North Dakota799,358
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 Mountrail County?

Population in Mountrail County was 9,395 in 2025, according to the U.S. Census Bureau. That is down 0.8% from 2024. That is the 16th highest of 53 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 Mountrail County?

9,808 in 2020, the highest value since 2020 in this series.

More statistics for Mountrail County

All statistics for Mountrail County