Wirksworth is a market and former quarry town in the Derbyshire Dales district of Derbyshire, England. Its population of 4,904 in the 2021 Census was estimated at 5,220 in 2023. Wirksworth contains the source of the River Ecclesbourne. The town was granted a market charter by Edward I in 1306 and still holds a market on Tuesdays in the Memorial Gardens. The parish church of St Mary's is thought to date from 653. The town developed as a centre for lead mining and stone quarrying.