at the February 1974 general election. This resulted in a net reduction in the size of the area. The western district Streatham Park (location of the Streatham Conservative Club) and the remainder of Furzedown ward went into the Tooting seat. The rest of the constituency, including the town of Streatham has since 1965 been in the London Borough of Lambeth. Three other constituencies covered Lambeth from 1974, Vauxhall, Norwood and Lambeth Central. The Clapham constituency was abolished as part of the 1974 changes. The Clapham Park area and Hyde Farm (commonly thought of as part of Balham) came into the Streatham seat, whereas the rest of Clapham went into the Vauxhall seat creating an enduring split. On abolition of Lambeth Central at the 1983 election, the constituency gained much of southern Brixton. Following further population decline, Lambeth was paired with Southwark in the next boundary review, and from the 1997 election, Streatham constituency gained areas around Tulse Hill from the former Norwood constituency, the rest of which became part of Dulwich and West Norwood. 2016 European Union Referendum In the 2016 referendum on European Union membership, Streatham is estimated to have posted the highest proportion of support for Remain of any constituency, at 79.5%. Constituency profile Among the most ethnically diverse constituencies, Streatham - which covers parts of Clapham, Brixton, Tulse Hill and Streatham itself - is in the south London borough of Lambeth. Only 58.2% of residents are white and it has among the most mixed race and black residents in the country, according to the 2011 Census. It also has Polish, Portuguese and Hispanic communities. The bulk of residents are aged 25–44, with relatively few pensioners. Although it is a residential area, it is more popular with young workers than families, having good transport links into central London. Many residents rent, and there is a large social housing sector. Commercially, Streatham High Road is home to over 400 businesses, whilst a £26m ice rink and leisure centre opened in November 2013, part of continuing investment. The population is highly qualified and a high percentage are in full-time work. At just over 6% of the population, Streatham, (which is located in the London Borough of Lambeth) has the largest proportion of LGBT+ people in the country. Members of Parliament Elections Elections in the 2010s 17% was the largest vote share increase in a Labour held seat for the Liberal