EntityQ2318398· pop 34· linked from 737 articlesChelmsfordSign in to savetown in Middlesex County, Massachusetts, United StatesConnectionsrace and ethnicity in the United States CensusEntityLexingtonEntity2010 United States CensusEntitylist of municipalities in MassachusettsEntityU.S. Route 3EntityMassachusetts Route 128EntityUnited StatesCountryNew YorkEntityMassachusettsEntityVermontEntityMaineEntityNew HampshireEntityBostonEntityRhode IslandEntitytime zoneEntitylakeEntityThe SimpsonsEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityIndustrial RevolutionEntityCategoriesChelmsford, MassachusettsMassachusetts populated places on the Merrimack RiverTowns in MassachusettsTowns in Middlesex County, Massachusetts