The population of Oak Ridge soon expanded well beyond the initial plans, and peaked at 75,000 in May 1945, by which time 82,000 people were employed at the Clinton Engineer Works, and 10,000 by Roane-Anderson.
A poboación de Oak Ridge aumentou máis do planeado inicialmente, acadando os 75 000 residentes en maio de 1945, cunhas 82 000 persoas traballando en Clinton Engineer Works e outras 10 000 en Roane-Anderson.