the main ethnic groups in chicago include irish, german, italian, mexican, assyrian, arab, bangladeshi, jews, english, bosnian, croatian, bulgarian, czech, greek, black, korean, chinese, indian, filipino, lithuanian, macedonian, montenegrin, albanian, pakistani, polish, hungarian, romanian, russian, serbian, slovak, swedish, ukrainian, dutch, belgian, cuban, vietnamese, and puerto rican. chicago is also home to 30,000 natives of iran (mostly azeri).