(1) A civil service commission is created in every municipality described in subsection (2) which has a full paid fire and police department.
(2) The provisions of subsection (1) of this section shall apply to: Any municipality, operating under a commission form of government, and having a population of not less than fourteen thousand (14,000), according to the federal census of 1940;
(3) Any municipality, under whatever form of government, having a population of not less than twenty-four thousand (24,000), according to the federal census of 1940, and situated in counties having a national military park;
(4) Any municipality, operating under the commission form of government, and having a population of not less than ten thousand five hundred (10,500) nor more than eleven thousand (11,000), according to the federal census of 1950;
(5) Any municipality, having an aldermanic commission or city manager form of government, and having a population of not less than three thousand eight hundred eighty-one (3,881) at the 1960 federal census, and situated on the Mississippi Gulf Coast;
(6) Any municipality with its corporate limits being bounded on one (1) side by the Mississippi River and being located in a county having an assessed valuation in excess of Forty Million Dollars ($40,000,000.00) but less than Fifty Million Dollars ($50,000,000.00) and having a total population in excess of thirty-seven thousand five hundred (37,500), according to the latest federal census;
(7) Any municipality, operating under special charter, and in which there is located a state-supported college for women;
(8) Any municipality having a population of more than ten thousand (10,000) according to the federal census of 1970, which is located within a Class 1 county in which U.S. Highway 51 and U.S. Highway 98 intersect and bounded on the south by the State of Louisiana; and
(9) Any municipality, bordering on the Escatawpa River, having an aldermanic commission form of government and having a population of not less than seventeen thousand eight hundred thirty-seven (17,837) according to the 1990 federal census.