CREATE TABLE table_22815568_7 (population VARCHAR, market_income_per_capita VARCHAR)

What is the population in those place where the market income per capita is $17,362?
SELECT population FROM table_22815568_7 WHERE market_income_per_capita = "$17,362"
SELECT "population" FROM "table_22815568_7" WHERE "$17,362" = "market_income_per_capita"