The metropolitan areas that compensate bill collectors the best are San Jose, California; San Francisco; and Waterbury, Connecticut. With an average salary of $34,650 in 2013, bill collectors earn similar salaries to customer service representatives ($33,370) and bookkeeping, accounting and auditing clerks ($37,250).However, collectors make far less than many other business jobs.he metropolitan areas that compensate bill collectors the best are San Jose, California; San Francisco; and Waterbury, Connecticut. With an average salary of $34,650 in 2013, bill collectors earn similar salaries to customer service representatives ($33,370) and bookkeeping, accounting and auditing clerks ($37,250).