2005 County Population Estimates
Recently released population estimates from the U.S. Census Bureau show that St. Louis County is Missouri's largest with an estimated population in 2005 of 1,004,666 and making up 17.3 percent of the state's total estimated population. Jackson County is Missouri's second largest with an estimated population of 662,959. St. Louis County ranked as the 38th most populous county in the U.S., while Jackson County ranked 85th.
From 2004 to 2005, population estimates show that Christian County was Missouri's fastest growing with a 4.7 percent change in population. Lincoln County followed with a 4.4 percent change. These two counties made the list of the nation's fastest growing counties with a population over 10,000 from 2004 to 2005. Christian County ranked 50th while Lincoln County ranked 64th.
From 2000 to 2005, Christian County and Lincoln County ranked similarly in the list of fastest growing U.S. counties with populations over 10,000. Christian County was 58th at 23.9 percent, while Lincoln was 73rd at 22.6 percent. The largest population increases in Missouri were generally in counties around St. Louis and Kansas City and in central and southwestern Missouri. Overall from 2000-2005, population estimates show that 78 Missouri counties increased in population over the period, while 36 and the City of St. Louis declined.
See population estimates data for all counties.