sentences:  With an estimated area of 1,230.16 square kilometers, Gomma has an estimated population density of 285.2 people per square kilometer, which is greater than the Zone average of 150.6.The 1994 national census reported a total population for this woreda of 243,376, of whom 123,354 were men and 120,022 women; 39,663 or 16.3% of its population were urban dwellers at the time.The five largest ethnic groups reported in Gomma were the Oromo (79.11%), the Amhara (7.28%), the Kullo (4.2%), the Silt'e (2.6%), and the Kafficho (2.04%); all other ethnic groups made up 4.77% of the population.