Population in Martin County

Population in Martin County was 21,601 in 2025, according to the U.S. Census Bureau. That is up 0.2% from 2024. That is the 78th highest of 100 counties in 2025.

2025, persons21,601
Change on 2024+0.2%
Series high21,9542020
Series low21,4842023

Population in Martin County, 2020 to 2025

CSVChart (SVG)

21.4K21.5K21.6K21.7K21.8K21.9K22K2020202120222023202420252020: 21,954 persons2021: 21,747 persons2022: 21,493 persons2023: 21,484 persons2024: 21,562 persons2025: 21,601 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202521,601
202421,562
202321,484
202221,493
202121,747
202021,954

Compared with North Carolina and United States

Place2025
Martin County21,601
North Carolina11,197,968
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (PadrĂ³n). 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 Martin County? Cite the source.
get_value {"indicator":"population","place":"us-county-37117"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-37117

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

Questions

What is the population in Martin County?

Population in Martin County was 21,601 in 2025, according to the U.S. Census Bureau. That is up 0.2% from 2024. That is the 78th highest of 100 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?

21,954 in 2020, the highest value since 2020 in this series.

More statistics for Martin County

All statistics for Martin County