I'd respectfully suggest they are far less representative of the electorate than hundreds of thousands of ordinary people who come from a wide range of backgrounds and earn a wide range of incomes. (politicshome.com)
The penalty for not purchasing insurance is not (again through a particular range of the income spectrum). (politics.stackexchange.com)
Obviously, the «bottom 20 percent» includes a somewhat higher range of incomes. (firstthings.com)