This study was conducted in Hail region, KSA to find out the extent of Query fever (Q Fever) associated with unknown fever and abortion in sheep, goats and camels. 799 sera samples from female animals were collected as follows; 296 sheep, 300 goats and 203 camels. An indirect ELISA test was performed against Q fever antibodies. The results showed an overall seroprevalence rate of Q fever as 33.4% (267 of 799) distributed as follows; sheep 39.7%, goats 36% and camels 24.3%. There is high significant (p value = 0.000328) association of management; open to close system that found to be 61.1: 38.9; 73.7: 26.3; 90.6: 9.4 for sheep, goats and camels respectively. With regard to age of animals the results showed high significance (p value= 0.005) for animal species: (sheep goats, and camels) where the younger were highly susceptible to Q fever compared to older ones (73.4%: 63.3%). Indirect ELISA test showed no significance between sheep, goats and camels (p value= 0.670). The study concluded that Q fever is prevalent in farm animals in Hail region, Kingdom of Saudi Arabia.