3. As used in this act, "qualifying municipality" means a municipality which:
a. does not receive aid under P.L.1978, c.14 (C.52:27D-178 et seq.);
b. has a population density that exceeds six times the State population density, according to the most recent State population and area estimates reported by the New Jersey Department of Labor, Division of Labor Market and Demographic Research, except that in the year of receipt by the Governor of a federal decennial census, the census figures shall be used;
c. has a population that exceeds 7,500 residents; and
d. is located in any of the five most densely populated counties, according to the most recent State population estimates reported by the New Jersey Department of Labor, Division of Labor Market and Demographic Research, except that in the year of receipt by the Governor of a federal decennial census, the census figures shall be used.