A man has died following a single-vehicle crash in Condobolin.

Police said that at about emergency services were called to Kiacatoo Road at about 7:10pm on Tuesday 2 September following reports a ute had left the road and crashed into a tree.

They said paramedics treated the driver – a 24-year-old man – but he died at the scene.

"The passenger – a 19-year-old man – was taken to Dubbo Base Hospital in a serious but stable condition," the spokesperson said.

"Officers attached to Central West Police District have established a crime scene and commenced an investigation into the crash.

"Anyone with information or dashcam footage is urged to contact police or Crime Stoppers on 1800 333 000."

A report will be prepared for the Coroner.