What were the strengths of the armies that fought in the Battle of Gettysburg?

The Confederate Army of Northern Virginia
70,100 men and 280 guns
Commanded by General Robert E. Lee
The Federal Army of the Potomac
93,700 men and 372 guns
Commanded by Major General George G. Meade

The armies at the Battle of Gettysburg included regiments and batteries from 12 Southern and 18 Northern states. Both armies had units from Maryland. See the States at Gettysburg.

The Federal Army of the Potomac had an advantage in numbers of almost 24,000 men, helped by a last-minute transfer of over 10,000 men from the rear-area forces around Washington and Baltimore.

Compare the strength of the corps and divisions of the armies at Gettysburg