SELECT MAX(number_of_households) FROM table_name_30 WHERE median_household_income = "$31,176" AND population < 25 OFFSET 607
Berapa jumlah rumah tangga tertinggi dengan pendapatan rumah tangga rata -rata $ 31.176, dan populasi 25.607?
CREATE TABLE table_name_30 (number_of_households INTEGER, median_household_income VARCHAR, population VARCHAR)