9-2-1. Classes enumerated--Population groups.
There shall be the following three classes of municipal corporations:
(1)Municipalities of the first class are municipal corporations with a population of five thousand and over;
(2)Municipalities of the second class are municipal corporations with a population between five hundred and five thousand;
(3)Municipalities of the third class are municipal corporations with a population of less than five hundred.
Source: SL 1899, ch 61, §1; RPolC 1903, §1179; RC 1919, §§6164 to 6167; SDC 1939, §45.0102; SL 1992, ch 60, §1.