The Township of Blandford-Blenheim is a municipality located in the heartland of South-Western Ontario Blandford-Blenheim offers all of the conveniences of urban living while enjoying the serenity of country life. Our location, and proximity to many large economic centers via Highways 401 and 403 make Blandford-Blenheim an ideal place to live, work, and visit.The Township is located in Oxford County and has a population of approximately 7,399. The Township was amalgamated in 1975 from the historic County Townships of Blandford and Blenheim. Prominent communities within the Township include Bright, Drumbo, Plattsville, Princeton, and Washington.