(1) "City-county" means a city incorporated under ORS 199.705 to 199.795 and having both city and county functions.
(2) "City in the county" means a city having more than 50 percent of its population in the county.
(3) "Most populous city" means a city of not less than 300,000 population.
(4) "Unincorporated area" means the area of unincorporated territory within the county that is outside the urban growth boundary adopted under ORS 268.390. [1971 c.731 §2; 1997 c.494 §1]