The locality is bounded to the north by Woolshed Creek Road and to the south-east by Long Gully Road which loosely follows the course of Woolshed Creek. The locality's southern boundary is formed by the Main Line railway, but there are no railway stations serving the locality.[3]
Queensland's first section of railway was the Main Line railway from the original Ipswich railway station to Grandchester railway station. It was officially opened in July 1865 by the Governor of Queensland, George Bowen. As part of the opening ceremonies, there was a celebratory function held on a nearby hill (now within Summerholm) where the Governor's wife Lady Bowen planted a tree, leading to its name Lady Bowen Hill.[5][4][6]
In the 2016 census, Summerholm had a population of 639 people.[17]
In the 2021 census, Summerholm had a population of 646 people.[1]
Education
There are no schools in Summerholm. The nearest government primary schools are Hatton Vale State School in neighbouring Hatton Vale to the north, Grandchester State School in neighbouring Grandchester to the south and Laidley District State School in neighbouring Laidley to the south-west. The nearest government secondary schools are Laidley State High School in neighbouring Laidley to the south-west and Rosewood State High School in Rosewood to the south-east.[18]
^"BELOW THE BANGE". The Brisbane Courier. No. 16, 555. Queensland, Australia. 1 February 1911. p. 3. Retrieved 9 January 2024 – via National Library of Australia.
^"Country News". The Courier-mail. No. 1056. Queensland, Australia. 18 January 1937. p. 28. Retrieved 9 January 2024 – via National Library of Australia.
^"NEW SCHOOL". Queensland Times. Vol. LXXVII, no. 15733. Queensland, Australia. 21 April 1937. p. 9 (DAILY.). Retrieved 9 January 2024 – via National Library of Australia.