Data / Population / Phillips County

Population in Phillips County

Population in Phillips County was 4,203 in 2025, according to the U.S. Census Bureau. That is up 0.2% from 2024. That is the 38th highest of 56 counties in 2025.

2025, persons4,203
Change on 2024+0.2%
Rank38th of 56Counties in Montana ranked
Series high4,2372023
Series low4,1962024

Population in Phillips County, 2020 to 2025

CSVChart (SVG)

4,1904,2004,2104,2204,2304,2402020202120222023202420252020: 4,208 persons2021: 4,204 persons2022: 4,216 persons2023: 4,237 persons2024: 4,196 persons2025: 4,203 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20254,203
20244,196
20234,237
20224,216
20214,204
20204,208

Compared with Montana and United States

Place2025
Phillips County4,203
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.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

What is the latest population in Phillips County? Cite the source.
get_value {"indicator":"population","place":"us-county-30071"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-30071

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

What is the population in Phillips County?

Population in Phillips County was 4,203 in 2025, according to the U.S. Census Bureau. That is up 0.2% from 2024. That is the 38th 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 Phillips County?

4,237 in 2023, the highest value since 2020 in this series.

More statistics for Phillips County

All statistics for Phillips County