By Rank, twelve, and they were:
- Washington, General of the Armies of the US. (Six Stars)
- Eisenhower, General of the Army. (Five Stars)
- Grant, General, (Four Stars)
- Jackson, Major General, (Two Stars)
- Harrison, William, Major General, (Two Stars)
- Taylor, Major General, (Two Stars)
- Hayes, Major General, (Two Stars, Temporary Rank)
- Harrison, Benjamin, Major General, (Two Stars, Temporary Rank)
- Pierce, Brigadier General, (One Star)
- Johnson, Andrew, Brigadier General, (One Star)
- Garfield, Brigadier General, (One Star)
- Arthur, Quartermaster General, (One Star)
The highest ranking Naval Officer was Lyndon Johnson who held the rank of Commander. The only President that entered military service and failed to advance to Officer status was James Buchanan who saw service as a Private during the War of 1812.