CREATE TABLE table_63130 ("County" TEXT, "Per capita income" TEXT, "Median household income" TEXT, "Median family income" TEXT, "Population" FLOAT, "Number of households" FLOAT)

What is the median household income when the per capita is $21,585?
SELECT "Median household income" FROM table_63130 WHERE "Per capita income" = '$21,585'
SELECT "Median household income" FROM "table_63130" WHERE "Per capita income" = '$21,585'