Hamden City Government Executive Offices 2750 Dixwell Ave Official website for the Town of Hamden, Connecticut. Located in New Haven County.Information on government, schools, libraries, business, and visiting and living in the town. Hamden CT City Government Executive Offices Hamden Town Clerk www.hamden.com Hamden Connecticut government New England Economic business New Haven community Hampden Hamden Connecticut government New England Economic business New Haven community Hampden Business Reviews Hamden Town Clerk Testimonials