Warner is named after an early civilian surveyor James Warner.
The predominant style of development in this community is Park Residential, however, new urban developments are occurring in this area. Warner has recently undergone refurbishment from rural land usage to urban. Prior to this, the predominant use of the land was rural.
Post-2000 establishments in Warner include the Warner Lakes housing estate on 206 hectares of land previously used for potato farming, and a retail and commerce estate on the corner of Samsonvale Road and Old North Road. Roads have recently been upgraded in parts of Warner, which now includes seven sets of traffic lights. Further development to the area has led to the inclusion of a McDonald's, Subway, KFC, Warner Chinese Restaurant and The Warner Tavern.
In the 2011 census, Warner recorded a population of 8,381 people, 50.5% female and 49.5% male.
The median age of the Warner population was 30 years, 7 years below the national median of 37.
77.1% of people living in Warner were born in Australia. The other top responses for country of birth were New Zealand 4.8%, England 4.6%, South Africa 2.4%, Philippines 1.3%, Fiji 0.9%.
90.6% of people spoke only English at home; the next most common languages were 0.9% Hindi, 0.8% Afrikaans, 0.6% Tagalog, 0.3% Filipino, 0.3% Spanish.
Schools surrounding the Warner suburb include:
- Pine Rivers State High School
- Genesis Christian College
- Bray Park State High School
- Bray Park State School
- Strathpine State School
- Strathpine West State School
- Pine Rivers Special School