CREATE TABLE table_60526 ("County" TEXT, "Per capita income" TEXT, "Median household income" TEXT, "Median family income" TEXT, "Population" FLOAT, "Number of households" FLOAT)

How many households have yadkin as the county?
SELECT "Number of households" FROM table_60526 WHERE "County" = 'yadkin'
SELECT "Number of households" FROM "table_60526" WHERE "County" = 'yadkin'