Portswood is a suburb and Electoral Ward of Southampton, England. The suburb lies to the north-north-east of the city centre and is bounded by (clockwise from west) Freemantle, Highfield, Swaythling, St. Denys and Bevois Valley. Portswood Ward comprises Portswood, Highfield and St. Denys, and had a population of 14,831 at the 2011 Census. It is a largely residential area adjacent to the main campus of the University of Southampton, and as such more than a quarter of residents are students.