Details for the Cheltenham by-election

Key details for the Cheltenham by-election with voters going to the polls on Saturday after the resignation of former SA premier Jay Weatherill.

CHELTENHAM:

* More than 26,000 people are eligible to vote in Cheltenham.

* The seat covers just over 17 square kilometres in Adelaide's northwest.

* It was created in the 1998 redistribution of state electoral boundaries and has been held since 2002 by former premier Jay Weatherill.

* In the 2018 state election, Mr Weatherill won with 65.9 per cent of the two-party preferred vote.

* Five candidates will contest the by-election. Peter Miller for the Liberal Democrats, Joe Szakacs for Labor, Steffi Medrow for The Greens and independents Mike Lesiw and Rob De Jonge.

* SA Unions boss Joe Szakacs is strongly tipped to win with the Liberal government choosing not to field a candidate.

Source: SA Electoral Commission