CREATE TABLE table_22320 ("Rank" FLOAT, "Place" TEXT, "County" TEXT, "Per Capita Income" TEXT, "Median House- hold Income" TEXT, "Population" FLOAT, "Number of Households" FLOAT)

If the population is 2188, what was the median household income?
SELECT "Median House- hold Income" FROM table_22320 WHERE "Population" = '2188'
SELECT "Median House- hold Income" FROM "table_22320" WHERE "Population" = '2188'