Population: Waukesha County

Latest value, 2025

417,210persons

Source: U.S. Census Bureau
Retrieved 2026-10-08
Published 2026-03-26

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.

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.

Evolution

407,855412,358416,861202020212022202320242025
Value
PeriodValue
2025417,210
2024415,766
2023413,581
2022410,846
2021409,199
2020407,506

Comparison with related places

Place2025
Waukesha County417,210
Wisconsin5,972,787
United States341,784,857
Brown County275,803
Dane County590,375
Racine County198,919
Outagamie County195,894
Winnebago County174,218

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.

Get this figure from your agent

Call get_value through the MCP server or the REST API.

get_value {"indicator":"population","place":"us-county-55133"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-55133

Other indicators for Waukesha County

Statistics for Waukesha County