Cathlamet is located in the County of Wahkiakum and it has a total area of about 1.1 sq. kms. and located at an eleveted height of about 80 ft. from the sea level level. It is also the County seat of the same county. There is the local school distict of Wahkiakum and it operates a number of schools in the area. Other local inhabitants are engaged with tourism, agriculture and tansport.