Data / Population / Bennett County

Population in Bennett County

Population in Bennett County was 3,307 in 2025, according to the U.S. Census Bureau. That is unchanged from 2024. That is the 45th highest of 66 counties in 2025.

2025, persons3,307
Change on 20240%
Rank45th of 66Counties in South Dakota ranked
Series high3,3982021
Series low3,3062024

Population in Bennett County, 2020 to 2025

CSVChart (SVG)

3,3003,3203,3403,3603,3803,4002020202120222023202420252020: 3,397 persons2021: 3,398 persons2022: 3,337 persons2023: 3,314 persons2024: 3,306 persons2025: 3,307 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20253,307
20243,306
20233,314
20223,337
20213,398
20203,397

Compared with South Dakota and United States

Place2025
Bennett County3,307
South Dakota935,094
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 Bennett County?

Population in Bennett County was 3,307 in 2025, according to the U.S. Census Bureau. That is unchanged from 2024. That is the 45th highest of 66 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 Bennett County?

3,398 in 2021, the highest value since 2020 in this series.

More statistics for Bennett County

All statistics for Bennett County