About 91801 - Alhambra, California
The ZIP code 91801 of Alhambra falls within California, the United States - a densely populated area by population. It sits within Los Angeles County.
Census data puts the population of this ZIP code at 53,381 residents. That's noticeably above the average for a California ZIP code, which sits near 22,296 people.
Population density runs around 4,766 people per sq. mile, making it a suburban area.
Other ZIP code codes in California serve areas such as Fontana, Pittsburg, Los Angeles.