Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_59 (population VARCHAR, median_family_income VARCHAR)

### Question ###
What is the population of the area with a median family income of $71,278?

### Accurate SQL ###

SELECT COUNT(population) FROM table_name_59 WHERE median_family_income = "$71,278"