and Wattle Street. The Broadway Shopping Centre is located in the former site of the flagship building of the Grace Bros department store chain. The Ultimo area is undergoing gentrification, with considerable redevelopment of industrial buildings for residential and commercial purposes. The NSW transmission network service provider TransGrid is located on Thomas Street. The corporate headquarters and Sydney studios of the Australian Broadcasting Corporation are located in its Ultimo Centre on Harris Street. The Ultimo Centre also houses an auditorium and recording studio, known as the Eugene Goosens Hall. NITV & Aurora from a digital broadcast centre are located at Ultimo Centre. Harris Street is also the home of Sydney's Powerhouse Museum. Wentworth Park is a multi-purpose sporting facility in Ultimo that is used for various sports including rugby union, rugby league, soccer and greyhound racing. Transport Ultimo is well-served by public transport. Central railway station is at the southern border of the suburb, on the opposite side of Broadway. The Inner West Light Rail has stations at the eastern edge of the suburb, where Ultimo borders Darling Harbour. Many buses travel along Broadway. A distinctive landmark in Ultimo is the former railway viaduct that now carries the light rail through Wentworth Park. The viaduct was built in 1922 and consists primarily of twenty-three brick arches. It is considered "an outstanding example of engineering brickwork" and is listed on the Register of the National Estate. The Goods Line is a park and pedestrian pathway utilising a section of the railway line not used by the light rail. Population At the 2021 census, there were 7,410 people living in Ultimo. Its proximity to Chinatown means that it has historically had a large Chinese population. At the , it had a population of 8,845 of which 82.4% were born overseas. In 2016, the most common ancestries in Ultimo were Chinese 36.6%, English 8.4%, Australian 5.8%, Thai 4.3% and Korean 3.3%. In Ultimo, 17.6% of people were born in Australia. The most common countries of birth were China 29.8%, Thailand 5.0%, South Korea 3.5%, Indonesia 3.1% and India 2.4%. 23.7% of people only spoke English at home. Other languages spoken at home included Mandarin 28.1%, Cantonese 7.0%, Thai 5.0%, Korean 3.2% and Indonesian 2.5%. The most common response for religion was No Religion at 49.9%. In 2016, 90.6% of residences were flats and 8.2% were semi-detached, row or terrace house, townhouse etc. The