As used in KRS 67.900 to 67.940:
(1) "Citizen member" means a person who is neither an elected nor an appointed official or employee of the county or a participating city;
(2) "Participating city" means a city that has filed an ordinance with the county clerk and has been named in the notification sent by the county clerk under KRS 67.904(3); and (3) "Population" means the number of residents residing within the territorial limits of a city or county based upon the most recent official decennial census by the United States Bureau of Census.