There's a higher rate of electric vehicles in wealthier postcodes

Median taxable income per postcode by % of electric vehicles

Aggregating postcodes that fall within the electoral commission 'inner metropolitan' and 'outer metropolitan' classification. Predominant classification was chosen if postcode spanned multiple electorates. Median taxable income from 2020-21. Electric vehicle data from January 2023. 
Source: Australian Automobile Association, ATO, AEC Get the data