Data / Population / Stanley County

Population in Stanley County

Population in Stanley County was 3,018 in 2025, according to the U.S. Census Bureau. That is up 0.6% from 2024. That is the 47th highest of 66 counties in 2025.

2025, persons3,018
Change on 2024+0.6%
Rank47th of 66Counties in South Dakota ranked
Series high3,0312021
Series low2,9662020

Population in Stanley County, 2020 to 2025

CSVChart (SVG)

2,9602,9803,0003,0203,0402020202120222023202420252020: 2,966 persons2021: 3,031 persons2022: 3,010 persons2023: 3,026 persons2024: 3,001 persons2025: 3,018 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20253,018
20243,001
20233,026
20223,010
20213,031
20202,966

Compared with South Dakota and United States

Place2025
Stanley County3,018
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 Stanley County?

Population in Stanley County was 3,018 in 2025, according to the U.S. Census Bureau. That is up 0.6% from 2024. That is the 47th 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 Stanley County?

3,031 in 2021, the highest value since 2020 in this series.

More statistics for Stanley County

All statistics for Stanley County