Table schema:
CREATE TABLE table_name_30 (number_of_households INTEGER, median_household_income VARCHAR, population VARCHAR)

Question: What is the highest number of households with a median household income of $31,176, and a population of 25,607?
SQL: SELECT MAX(number_of_households) FROM table_name_30 WHERE median_household_income = "$31,176" AND population < 25 OFFSET 607