Data / Population / Montgomery County

Population in Montgomery County

Population in Montgomery County was 11,590 in 2025, according to the U.S. Census Bureau. That is up 0.3% from 2024. That is the 79th highest of 115 counties in 2025.

2025, persons11,590
Change on 2024+0.3%
Rank79th of 115Counties in Missouri ranked
Series high11,5902025
Series low11,2932020

Population in Montgomery County, 2020 to 2025

CSVChart (SVG)

11.2K11.3K11.4K11.5K11.6K2020202120222023202420252020: 11,293 persons2021: 11,450 persons2022: 11,471 persons2023: 11,464 persons2024: 11,556 persons2025: 11,590 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202511,590
202411,556
202311,464
202211,471
202111,450
202011,293

Compared with Missouri and United States

Place2025
Montgomery County11,590
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.

Use this data in your AI agent

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What is the latest population in Montgomery County? Cite the source.
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Questions

What is the population in Montgomery County?

Population in Montgomery County was 11,590 in 2025, according to the U.S. Census Bureau. That is up 0.3% from 2024. That is the 79th 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 Montgomery County?

11,590 in 2025, the highest value since 2020 in this series.

More statistics for Montgomery County

All statistics for Montgomery County