Haverhill is a market town and civil parish in the West Suffolk district, in the county of Suffolk, England, next to the borders of Essex and Cambrid…Haverhill is a market town and civil parish in the West Suffolk district, in the county of Suffolk, England, next to the borders of Essex and Cambridgeshire. It lies about 14 miles southeast of Cambridge and 47 miles northeast of central London. In 2021 it had a population of 26,860.