Ind. Code § 36-4-1-1 – Basis of classification

(a) Municipalities are classified according to their status and population as follows:

(b) Except as provided in subsection (c), a city that attains a population of thirty-four thousand (34,000) remains a second class city even though its population decreases to less than thirty-four thousand (34,000) at the next federal decennial census.
(c) The legislative body of a city to which subsection (b) applies may, by ordinance, adopt third class city status.
[Pre-Local Government Recodification Citations: 18-2-1-1; 18-2-1-1.5; 18-2-1-2 part; 18-3-2-1 part; 18-3-3-1 part.]
As added by Acts 1980, P.L.212, SEC.3. Amended by Acts 1981, P.L.44, SEC.37; P.L.340-1987, SEC.1; P.L.71-1997, SEC.2; P.L.64-2004, SEC.34; P.L.81-2004, SEC.46; P.L.119-2012, SEC.184; P.L.56-2022, SEC.3.