Newton-le-Willows (Newton) is a market town in the Metropolitan Borough of St Helens, Merseyside, England. The population at the 2021 cens…Newton-le-Willows (Newton) is a market town in the Metropolitan Borough of St Helens, Merseyside, England. The population at the 2021 census was 24,642. Newton-le-Willows is on the eastern edge of St Helens, south of Wigan and north of Warrington, equidistant to Liverpool and Manchester.