Pacific is located along Historic Route 66, also called Osage Street.  Union Pacific and Burlington Frisco Railroads run through the town.  Brush and Fox Creeks run through Pacific and connect to the Meramec River, which runs along the south side of Pacific.  The Meramec is the longest free-flowing waterway in Missouri, measuring approximately 220 miles, and empties into the Mississippi River.  St. Peter Sandstone bluffs line the north side of Pacific.

Interstate 44 cuts through the northern part of the city.  Highway OO connects us to Highway 100, also called Manchester Road, one of the main artery roads in St. Louis.  Highways F and N run through the eastern part of Pacific, connecting the town to Catawissa and Robertsville.  Gray Summit, Villa Ridge, and Labadie are west of Pacific. Pacific and the surrounding communities are served by the Meramec Valley R-III School District.

The City of Pacific is home to 6,611 residents as of the most recent census.  The Pacific Area, including Pacific, Catawissa, Robertsville, Gray Summit, and Villa Ridge, has a total of 27,912 residents, comprising 30% of Franklin County.  More detailed demographics are available.

A timeline of Pacific's history is also available.