County of Roxburgh, Scotland. The name, which reminded McDougall of his homeland, was officially recognised in 1802. Baulkham Hills Post Office opened on 1 April 1856. On 29 June 2018, a small portion of the Baulkham Hills suburb was proclaimed as part of the new suburb of Norwest. Heritage listings Baulkham Hills has a number of heritage-listed sites, including: Seven Hills Road, Bella Vista: Pearce Family Cemetery Demographics According to the , there were 37,050 residents in Baulkham Hills. 60.1% of residents were born in Australia. The most common countries of birth were China 6.9%, India 4.8%, England 2.7%, South Korea 2.0% and Sri Lanka 1.6%. 61.8% of residents spoke only English at home. Other languages spoken at home included Mandarin 8.3%, Cantonese 4.1%, Korean 2.6%, Hindi 2.3% and Tamil 1.6%. The most common responses for religious affiliation were Catholic 26.6%, No Religion 23.6%, Anglican 14.2% and Hinduism 5.7%. Transport The bulk of Baulkham Hills residents own private vehicles and travel to work using these, however bus services and the new Sydney Metro North West line services the suburb. At the intersection known as Baulkham Hills Junction several major roads meet including: Seven Hills Road, Old Northern Road and Windsor Road. The fastest route from the Sydney CBD is via the M2 Hills Motorway, exiting at Windsor Road. Baulkham Hills is serviced by the Hillsbus bus company, which provides services to the nearby commercial centres of Castle Hill, Parramatta and frequent services to the Sydney CBD. Hillsbus provides services to the City via routes 610/610X which cover the previous route M61, 614X and 615X. The 610/610X services can also be caught in the westbound direction serving Kellyville. Services are also provided to St. Leonards, Milsons Point and North Sydney, through route 612X. Route 600 provides a high-frequency service to the areas around Parramatta, Pennant Hills and Hornsby. In the past, there was the Rogans Hill line, connecting the suburb to Parramatta. Railway Street near Baulkham Hills Junction is a reminder of this. It was closed down in 1930 due to traffic problems on Windsor Road and large financial losses. Land owned by the rail authority was sold to the Hills Bowling Club in the mid-1970s to build their two front bowling greens. Commercial area Grove Square is a shopping centre, located on the intersection of Windsor Road and Old Northern Road. It features supermarkets operated by Coles, Woolworths, and Aldi