I tried to find your county zoning laws online but came up empty. Maybe someone else will have more luck locating them if they are posted online and give them a look. Good Luck!
Idon't have chickens yet but I am dealing with a similar situation. I'm 7 miles outside of the city and my county has restrictions that do not allow farm animals on property under 70000 sq ft. Fortunately for me, several of the forum members took a look at my county code and Karlachix found a...