About 63074 - Saint Ann, Missouri

The ZIP code 63074 of Saint Ann falls within Missouri, the United States - a mid-sized area by population. It sits within St. Louis County.

Census data puts the population of this ZIP code at 15,793 residents. That's noticeably above the average for a Missouri ZIP code, which sits near 6,064 people.

Population density runs around 1,556 people per sq. mile, making it a suburban area.

Other ZIP code codes in Missouri serve areas such as Saint Peters, Columbia, Springfield.