Middleborough is a town in Plymouth County, Massachusetts, United States. The population was 24,405 as of 2023. The census-designated place of Middleborough Center corresponds to the main village and commercial center of the town. It is the second largest municipality by land area in Massachusetts and nineteenth largest in New England. Middleborough proclaims itself to be the "Cranberry Capital of the World". Cranberry production remains a significant part of the local economy. In 2015, approximately 1,400 acres (570 ha) of the town were used to grow the crop, accounting for 3% of all land used to harvest cranberry bogs in the United States.