About 94591 - Vallejo, California

The ZIP code 94591 of Vallejo falls within California, the United States - a densely populated area by population. It sits within Solano County.

Census data puts the population of this ZIP code at 58,193 residents. That's noticeably above the average for a California ZIP code, which sits near 22,296 people.

Population density runs around 1,065 people per sq. mile, making it a suburban area.

This ZIP code sits alongside neighboring areas like Fontana, Pittsburg, Los Angeles within California.