The experimental data are evaluated for known nuclides of mass number A=209 (Au,Hg,Tl,Pb,Bi,Po,At,Rn, F r , R a , A c , T h ) . D e t a i l e d e v a l u a t e d l e v e l p r o p e r t i e s a n d r e l a t e d n u c l e a r s t r u c t u r e i n f o r m a t i o n a r e p r e s e n t e d , w i t h t h e b e s t v a l u e s r e c o m m e n d e d f o r l e v e l e n e r g i e s , h a l f -l i v e s , γ -r a y e n e r g i e s a n d i n t e n s i t i e s , d e c a y d a t a ( e n e r g i e s , i n t e n s i t i e s a n d p l a c e m e n t o f r a d i a t i o n s ) , a n d o t h e r s p e c t r o s c o p i c d a t a . T h i s w o r k s u p e r s e d e s t h e earlier full evaluation of A=209 by M.J. Martin (1991Ma16). Cutoff Date: Literature available in NSR database up to September 30, 2013 has been included. General Policies and Organization of Material: see http://www.nndc.bnl.gov/nds/NDSPolicies.pdf. Acknowledgments: The authors express their gratitude to Dr. J.K. Tuli, Mrs. J. Totans and Mrs. M. Blennau from the National Nuclear Data Center for their assistance during the evaluation process and the preparation of the m a n u s c r i p t . T h e a u t h o r s a r e t h a n k f u l t o t h e r e v i e w e r , D r . M . J . M a r t i n , f o r h i s c r i t i c a l r e a d i n g o f t h e manuscript and many useful comments, and suggestions.