Worcester County, Massachusetts

Worcester County ( ) is located in the U.S. state of Massachusetts. At the 2020 census, the population was 862,111, making it the second-most populous county in Massachusetts. Being 1,510.6 square miles of land area, it is the largest county in Massachusetts by geographic area. The largest city and traditional shire town is Worcester. Worcester County is part of the Worcester, MA–CTmetropolitan statistical area and the Boston-Worcester-Providence combined statistical area.