List of counties in Missouri - Wikipedia
According to that census, the population of Missouri is 5,988,927, an increase of 7.0% from 2000. The average population of Missouri's counties is 52,078; St. Louis County is the most populous (998,954), and Worth County is the least (2,171). The average land area is 599 sq mi (1,550 km 2).
DA: 56 PA: 19 MOZ Rank: 79