by three councillors. At first, the wards were called Farnworth North and Farnworth South, but following name and boundary changes in 1980 the eastern side of the town is covered by the Farnworth ward and the western half side is covered by the Harper Green ward. Under the Redistribution of Seats Act 1885, the Radcliffe-cum-Farnworth constituency was established with one Member of Parliament (MP). The constituency was abolished in 1918 with Radcliffe becoming part of the Heywood and Radcliffe constituency, and Farnworth having its own Parliament constituency. The Farnworth constituency continued until it was abolished in 1983 and became part of the Bolton South East constituency. Geography Farnworth measures about two miles from east to west, and one from north to south with an area of on land sloping towards the north-east by the River Croal which forms the boundary. Will Hill Brook forms the northern boundary. The underlying rocks are the coal measures of the Manchester Coalfield. Districts in Farnworth include Dixon Green and New Bury. The town has grown along the Manchester to Bolton road, the A666 and the A575 road to Worsley and Eccles. Plodder Lane, the B6199, goes west past the Royal Bolton Hospital. Demography At the 2011 UK census, the usual resident population for Farnworth had 26,939 inhabitants, of which 13,155 (48.8%) were male and 13,784 (51.2%) were female. The 2011 census recorded a total of 11,961 dwellings in Farnworth, of which were 663 detached houses, 5,345 semi-detached houses, 3,982 terraced houses, 1,701 purpose-built flats, 168 in part of a converted or shared house (including bedsits), 102 in a commercial building, and 19 caravans (or other mobile or temporary structure). Population change Community facilities Farnworth's Carnegie Library on Market Street is one of the many Carnegie libraries in Europe established by the industrialist and philanthropist Andrew Carnegie. The library was built in 1911 and is constructed of red brick with ashlar sandstone dressings, and flat roofed areas surrounding a central dome. It was designated as a Grade II listed building on 29 September 1999 and celebrated its centenary on 11 April 2011. Farnworth Little Theatre, established in 1948, is an amateur theatre group and is situated on Cross Street. The town has two leisure centres. The first is Farnworth Leisure Centre with a swimming pool and is located on Brackley Street. The second one is Harper Green Community Leisure Centre and is located on Harper