Goffstown (GAWFS-toun), town (1990 pop. 14,621), Hillsborough co., S N.H., 7 mi/11.3 km WNW of Manchester and on Piscataquog R. W of Glen L. (formed by dam; hydroelectric power); 43°01'N 71°34'W. Mfg. (metal fabrication, molded plastics), timber; agr. (nursery crops, vegetables, fruit; poultry, livestock; dairying). Site of Hillsborough County Farm. State Prison for Women near Grasmere village in E. First granted (1734) by Mass. as Narragansett No. 4, regranted 1748, inc. 1761.