Data / Population / Clark County

Population in Clark County

Population in Clark County was 6,475 in 2025, according to the U.S. Census Bureau. That is down 1.7% from 2024. That is the 102nd highest of 115 counties in 2025.

2025, persons6,475
Change on 2024-1.7%
Rank102nd of 115Counties in Missouri ranked
Series high6,7462021
Series low6,4752025

Population in Clark County, 2020 to 2025

CSVChart (SVG)

6,4006,5006,6006,7006,8002020202120222023202420252020: 6,664 persons2021: 6,746 persons2022: 6,728 persons2023: 6,642 persons2024: 6,584 persons2025: 6,475 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20256,475
20246,584
20236,642
20226,728
20216,746
20206,664

Compared with Missouri and United States

Place2025
Clark County6,475
Missouri6,270,541
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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What is the latest population in Clark County? Cite the source.
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Questions

What is the population in Clark County?

Population in Clark County was 6,475 in 2025, according to the U.S. Census Bureau. That is down 1.7% from 2024. That is the 102nd highest of 115 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 Clark County?

6,746 in 2021, the highest value since 2020 in this series.

More statistics for Clark County

All statistics for Clark County