Data / Population / Carter County

Population in Carter County

Population in Carter County was 1,383 in 2025, according to the U.S. Census Bureau. That is down 2.7% from 2024. That is the 50th highest of 56 counties in 2025.

2025, persons1,383
Change on 2024-2.7%
Rank50th of 56Counties in Montana ranked
Series high1,4222024
Series low1,3832025

Population in Carter County, 2020 to 2025

CSVChart (SVG)

1,3801,3901,4001,4101,4201,4302020202120222023202420252020: 1,406 persons2021: 1,415 persons2022: 1,400 persons2023: 1,409 persons2024: 1,422 persons2025: 1,383 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20251,383
20241,422
20231,409
20221,400
20211,415
20201,406

Compared with Montana and United States

Place2025
Carter County1,383
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 Carter County? Cite the source.
get_value {"indicator":"population","place":"us-county-30011"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-30011

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

Questions

What is the population in Carter County?

Population in Carter County was 1,383 in 2025, according to the U.S. Census Bureau. That is down 2.7% from 2024. That is the 50th 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 Carter County?

1,422 in 2024, the highest value since 2020 in this series.

More statistics for Carter County

All statistics for Carter County