CREATE TABLE table_35506 ("County" TEXT, "Population" FLOAT, "Per capita income" TEXT, "Median household income" TEXT, "Median family income" TEXT)

What is the median income for a family whose per capita income is $18,296?
SELECT "Median family income" FROM table_35506 WHERE "Per capita income" = '$18,296'
SELECT "Median family income" FROM "table_35506" WHERE "Per capita income" = '$18,296'