Missouri Valley is a city in Harrison County, Iowa, United States.

[6] This settlement was founded at the intersection of the Chicago & Northwestern, Sioux City & Pacific, and the Fremont, Elkhorn & Missouri Valley lines.

Following the collapse of wild cat banks in 1858 and the near completion of the railroad, the town was moved 2 miles from its original location and renamed "New St.

[8][9] Missouri Valley was formally laid out in 1867 when the Chicago and North Western Railway was extended to that point.

The Sioux City and Pacific's headquarters was there and with it came the associated repair and machine shops, blacksmith, round house, etc.

By 1896 population was approaching 4,000 and 25 passenger trains were coming in and out of Missouri Valley each day on 3 different lines.

In 1900 the city adopted a resolution that the railroads were its chief industry and main sustenance.

[11] According to the United States Census Bureau, the city has a total area of 3.13 square miles (8.11 km2), all of it land.

34.1% of all households were made up of individuals, and 15.7% had someone living alone who was 65 years of age or older.

31.7% of all households were made up of individuals, and 16.9% had someone living alone who was 65 years of age or older.

Saint Albert Catholic Schools in Council Bluffs takes students from Missouri Valley.