CREATE TABLE table_60956 ("County" TEXT, "Per capita income" TEXT, "Median household income" TEXT, "Median family income" TEXT, "Population" FLOAT, "Number of households" FLOAT)

What is the highest number of households with a median household income of $31,176, and a population of 25,607?
SELECT MAX("Number of households") FROM table_60956 WHERE "Median household income" = '$31,176' AND "Population" < '25,607'
SELECT MAX("Number of households") FROM "table_60956" WHERE "Median household income" = '$31,176' AND "Population" < '25,607'