The History & Men of Pennsylvania Regiments in the Civil War
A total of 427,286 Pennsylvanians served in the Union forces, including 8,600 African-American volunteers. This number includes enlistees responding to President Lincoln's calls for Volunteers for the Union army, recruits, drafted men, substitutes, and recruits for the regular U. S. Army for a total of 362,284 men. Adding the 25,000 Pennsylvania militia men who were called out in 1862, brings the grand total to 387,284 men, who served in 270 regiments and several detached companies of the Volunteer Army. Adding the 40,002 Pennsylvanians who enlisted in the United States Navy raises the total to 427,286.