2017 Blacktown state by-election

2017 Blacktown state by-election

14 October 2017

First party Second party   Leader Stephen Bali Josh Green Party Labor Christian Democrats Popular vote 31,031 6,540 Percentage 71.6% 15.1% Swing 17.7pp 9.1pp TPP 82.3% 17.7% TPP swing 19.1pp 17.7pp

MP before election John Robertson Labor Elected MP Stephen Bali Labor

A by-election was held in the state electoral district of Blacktown on 14 October 2017. The by-election was triggered by the resignation of John Robertson (Labor).^[1] Robertson served as state Leader of the Opposition from 2011 until 2014.

The by-election was held on the same day as by-elections Cootamundra and Murray.