September 1923 and has had many subsequent extensions and modifications. Telopea Park, which was first planted by Thomas Weston in 1923. The former Patent Office and the Edmund Barton building are outside the jurisdiction of the ACT Heritage Council but are recognised and protected in the Commonwealth Heritage List. Suburb amenities Barton mainly contains government or national institutions and so has few commercial areas such as shops. Barton contains the ACT Hospice, named Clare Holland House and located at the east end of Lake Burley Griffin. On Blackall Street is St Mark's National Theological Centre, a partner in Charles Sturt University School of Theology. The Australian Centre for Christianity and Culture is located next to St Mark's. The Australian Federal Police College is on Brisbane Avenue. Telopea Park School is on New South Wales Crescent. Brassey Hotel was named after Sir Thomas Brassey, Governor of Victoria. It was originally a guest house for mid level government officials and for Members of Parliament. The Hotel Kurrajong, favored by Ben Chifley and the location of his death in 1951, is also located in the suburb. It is now occupied by the Australian International Hotel School. Parks in Barton include Telopea Park, York Park, Bowen Park which is on the south shore of Lake Burley Griffin, and Grevillea Park on the north side of the lake. Demographics At the , the population of Barton was 1,946. Aboriginal and Torres Strait Islander people made up 1.0% of the population. 62.5% of the population were born in Australia. Only 6.3% of dwellings were separate houses (compared to the Australian average of 72.3%) and 3.0% were semi-detached, row or terrace houses (Australian average: 12.6%), while 90.9% were flats, units or apartments (Australian average: 14.2%). 46.5% of the population were professionals, compared to the Australian average of 24.0%. Notably 31.6% worked in central government administration, compared to the Australian average of 1.1% and the ACT-wide average of 17.1%. The median weekly personal income for people aged 15 years was $1,775, compared to the median Australian income of $805. Barton is favoured by young adults with 26.4% of its population in the 25- to 34-year-old age group (compared to the Australian average of 14.3%). The suburb has few children under 15: 7.2%, compared to 18.2% Australia-wide. 46.6% of the dwellings are occupied by single person households, compared to the Australian average of 25.6%. 47.2% of the population had