Danielson About Danielson, ConnecticutDanielson, a borough in Windham County, Connecticut, USA, is situated within the town of Killingly. According to the 2010 census, the population of Danielson was 4,051 residents. Senior Resources in Danielson, Connecticut Senior EducationAdult Day CareSenior Apartments Danielson, Connecticut Senior Education Quinebaug Valley Community College 742 Upper Maple St Danielson, Connecticut 6239 More Senior EducationClick here to see all 1 Senior Education listings in Danielson, CTDanielson, Connecticut Adult Day Care Squaw Rock Group Home 490 Green Hollow Rd Danielson, Connecticut 06239-4200 More Adult Day CareClick here to see all 1 Adult Day Care listings in Danielson, CTDanielson, Connecticut Senior Apartments Westfield Village 16 Westfield Vlg Danielson, Connecticut 06239-3623 More Senior ApartmentsClick here to see all 1 Senior Apartments listings in Danielson, CT Popular Articles About Danielson and Connecticut