Data / Population / Douglas County

Population in Douglas County

Population in Douglas County was 12,342 in 2025, according to the U.S. Census Bureau. That is up 0.5% from 2024. That is the 75th highest of 115 counties in 2025.

2025, persons12,342
Change on 2024+0.5%
Rank75th of 115Counties in Missouri ranked
Series high12,3422025
Series low11,6042020

Population in Douglas County, 2020 to 2025

CSVChart (SVG)

11.6K11.8K12K12.2K12.4K2020202120222023202420252020: 11,604 persons2021: 11,746 persons2022: 11,966 persons2023: 12,240 persons2024: 12,276 persons2025: 12,342 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202512,342
202412,276
202312,240
202211,966
202111,746
202011,604

Compared with Missouri and United States

Place2025
Douglas County12,342
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 Douglas County?

Population in Douglas County was 12,342 in 2025, according to the U.S. Census Bureau. That is up 0.5% from 2024. That is the 75th 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 Douglas County?

12,342 in 2025, the highest value since 2020 in this series.

More statistics for Douglas County

All statistics for Douglas County