Data / Population / Hamilton County

Population in Hamilton County

Population in Hamilton County was 2,500 in 2025, according to the U.S. Census Bureau. That is down 0.4% from 2024. That is the 91st highest of 105 counties in 2025.

2025, persons2,500
Change on 2024-0.4%
Rank91st of 105Counties in Kansas ranked
Series high2,5092024
Series low2,4582022

Population in Hamilton County, 2020 to 2025

CSVChart (SVG)

2,4402,4602,4802,5002,5202020202120222023202420252020: 2,489 persons2021: 2,479 persons2022: 2,458 persons2023: 2,473 persons2024: 2,509 persons2025: 2,500 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20252,500
20242,509
20232,473
20222,458
20212,479
20202,489

Compared with Kansas and United States

Place2025
Hamilton County2,500
Kansas2,977,220
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 Hamilton County? Cite the source.
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Questions

What is the population in Hamilton County?

Population in Hamilton County was 2,500 in 2025, according to the U.S. Census Bureau. That is down 0.4% from 2024. That is the 91st highest of 105 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 Hamilton County?

2,509 in 2024, the highest value since 2020 in this series.

More statistics for Hamilton County

All statistics for Hamilton County