Waukesha is a village located in Waukesha County, Wisconsin. Waukesha has a 2026 population of 8,573. It is also the county seat of Waukesha County. Waukesha is currently growing at a rate of 0.5% annually and its population has increased by 1.26% since the most recent census, which recorded a population of 8,466 in 2020.