CREATE TABLE table_5141 ("County" TEXT, "Per capita income" TEXT, "Median household income" TEXT, "Median family income" TEXT, "Population" FLOAT, "Number of households" FLOAT)

What is the least population with more than 78,748 households in Davis County?
SELECT MIN("Population") FROM table_5141 WHERE "Number of households" > '78,748' AND "County" = 'davis'
SELECT MIN("Population") FROM "table_5141" WHERE "County" = 'davis' AND "Number of households" > '78,748'