Sadliers Crossing, a residential suburb, is two km west of central Ipswich, situated between Woodend and the Bremer River. It is on the railway line to Toowoomba and is served by the Thomas Street railway station. The railway crosses the Bremer River at the Sadliers Crossing railway bridge, a steel-girder structure completed in 1902. The bridge is on a line re-aligned from the 1865 route which met with steep grades.
It is thought that Sadliers Crossing was named after an early landowner, Thomas Sadlier.
Sadliers Crossing's eastern border faces Ipswich Grammar School (1863) an elevated area marked by the Burnett Street - Woodend Road ridge. 'Bemont', at 11 Burnett Street, a sandstone two storey house with decorative wrought iron, was built in 1865 and faces the Grammar school. Woodend Road has a continuous heritage housing precinct up to Hawthorne Street. A less grand precinct is around Reals Park, between Chalinor and Syntax Streets, and to the east along the Burnett Street ridge.
As well as having the railway station, Sadliers Crossing has a Catholic church, a public hall and Blair State primary school (1917) which serves families in Coalfalls and Woodend. (Sir James Blair, a Queensland parliamentarian and minister, owned a house named Coalfalls in the suburb of that name.)
The census population of Sadliers Crossing in 2006 was 1152.