About 91748 - Rowland Heights, California
91748 is a densely populated ZIP code covering Rowland Heights in California, the United States. This area falls under Los Angeles County.
Census data puts the population of this ZIP code at 42,463 residents. This puts it well ahead of the typical ZIP code in California (roughly 22,296).
Population density runs around 1,156 people per sq. mile, making it a suburban area.
This ZIP code sits alongside neighboring areas like Fontana, Pittsburg, Los Angeles within California.