Data / Population / Buffalo County

Population in Buffalo County

Population in Buffalo County was 13,318 in 2025, according to the U.S. Census Bureau. That is down 0.6% from 2024. That is the 67th highest of 72 counties in 2025.

2025, persons13,318
Change on 2024-0.6%
Rank67th of 72Counties in Wisconsin ranked
Series high13,4502023
Series low13,3182025

Population in Buffalo County, 2020 to 2025

CSVChart (SVG)

13.3K13.4K13.4K13.5K2020202120222023202420252020: 13,333 persons2021: 13,350 persons2022: 13,402 persons2023: 13,450 persons2024: 13,398 persons2025: 13,318 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202513,318
202413,398
202313,450
202213,402
202113,350
202013,333

Compared with Wisconsin and United States

Place2025
Buffalo County13,318
Wisconsin5,972,787
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 Buffalo County? Cite the source.
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Questions

What is the population in Buffalo County?

Population in Buffalo County was 13,318 in 2025, according to the U.S. Census Bureau. That is down 0.6% from 2024. That is the 67th highest of 72 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 Buffalo County?

13,450 in 2023, the highest value since 2020 in this series.

More statistics for Buffalo County

All statistics for Buffalo County