About 94582 - San Ramon, California
The ZIP code 94582 of San Ramon falls within California, the United States - a densely populated area by population. It sits within Contra Costa County.
Census data puts the population of this ZIP code at 47,424 residents. That's noticeably above the average for a California ZIP code, which sits near 22,296 people.
Population density runs around 1,365 people per sq. mile, making it a suburban area.
Other ZIP code codes in California serve areas such as Fontana, Pittsburg, Los Angeles.