The 31st Regiment Iowa Volunteer Infantry was an infantry

Infantry

Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...

 regiment

Regiment

A regiment is a major tactical military unit, composed of variable numbers of batteries, squadrons or battalions, commanded by a colonel or lieutenant colonel...

 that served in the Union Army

Union Army

The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 during the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

.

Service

The 31st Iowa Infantry was organized at Davenport, Iowa

Davenport, Iowa

Davenport is a city located along the Mississippi River in Scott County, Iowa, United States. Davenport is the county seat of and largest city in Scott County. Davenport was founded on May 14, 1836 by Antoine LeClaire and was named for his friend, George Davenport, a colonel during the Black Hawk...

and mustered in for three years of Federal service on October 13, 1862.

The regiment was mustered out on June 27, 1865.

Total strength and casualties

A total of 1177 men served in the 31st Iowa at one time or another during its existence.
It suffered 1 officer and 27 enlisted men who were killed in action or who died of their wounds and 3 officers and 272 enlisted men who died of disease, for a total of 303 fatalities.