Data / Population / Atchison County

Population in Atchison County

Population in Atchison County was 5,175 in 2025, according to the U.S. Census Bureau. That is up 0.2% from 2024. That is the 108th highest of 115 counties in 2025.

2025, persons5,175
Change on 2024+0.2%
Rank108th of 115Counties in Missouri ranked
Series high5,3072020
Series low5,1332023

Population in Atchison County, 2020 to 2025

CSVChart (SVG)

5,1005,1505,2005,2505,3005,3502020202120222023202420252020: 5,307 persons2021: 5,215 persons2022: 5,168 persons2023: 5,133 persons2024: 5,167 persons2025: 5,175 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20255,175
20245,167
20235,133
20225,168
20215,215
20205,307

Compared with Missouri and United States

Place2025
Atchison County5,175
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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Questions

What is the population in Atchison County?

Population in Atchison County was 5,175 in 2025, according to the U.S. Census Bureau. That is up 0.2% from 2024. That is the 108th 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 Atchison County?

5,307 in 2020, the highest value since 2020 in this series.

More statistics for Atchison County

All statistics for Atchison County