Miami Gardens is a Miami suburban city located in Miami-Dade County, Florida. The city name comes from one of the major roadways through the area, Miami Gardens Drive. Miami Gardens is a suburban city located in north-central Miami-Dade County, Florida. Its boundaries stretch from I-95 and NE 2nd Avenue on the east, to NW 47th and NW 57th Avenues on the west, and from the Broward County line on the north, to 151st Street on the south. The city name comes from one of the major roadways through the area, Miami Gardens Drive. According to a 2011 estimate from the US Census Bureau, the city had a population of 109,680, and it is the largest city in Florida that has a majority African American population.