¨ Denotes Home Rule Counties (8)

First Class (1)
Population of 1,500,000 or more

Second Class (1)
Population of 800,000 to 1,499,999

Second Class A (2-A) (3)
Population of 500,000 to 799,999

Third Class (12)
Population of 210,000 to 499,999

Fourth Class (9)
Population of 145,000 to 209,999

Fifth Class (7)
Population of 90,000 to 144,999

Sixth Class (24)
Population of 45,000 to 89,999

Seventh Class (4)
Population of 20,000 to 44,999

Eighth Class (6)
Population of less than 20,000