Data / Population / Marion County

Population in Marion County

Population in Marion County was 17,593 in 2025, according to the U.S. Census Bureau. That is up 0.1% from 2024. That is the 42nd highest of 75 counties in 2025.

2025, persons17,593
Change on 2024+0.1%
Rank42nd of 75Counties in Arkansas ranked
Series high17,5932025
Series low16,8672020

Population in Marion County, 2020 to 2025

CSVChart (SVG)

16.8K17K17.2K17.4K17.6K2020202120222023202420252020: 16,867 persons2021: 16,965 persons2022: 17,237 persons2023: 17,492 persons2024: 17,575 persons2025: 17,593 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202517,593
202417,575
202317,492
202217,237
202116,965
202016,867

Compared with Arkansas and United States

Place2025
Marion County17,593
Arkansas3,114,791
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 Marion County?

Population in Marion County was 17,593 in 2025, according to the U.S. Census Bureau. That is up 0.1% from 2024. That is the 42nd highest of 75 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 Marion County?

17,593 in 2025, the highest value since 2020 in this series.

More statistics for Marion County

All statistics for Marion County