Population of Counties in Missouri (2018)

Name 2018 Population Growth Rate
St. Louis County998,216-0.05%
Jackson County693,1152.71%
St. Charles County390,7958.02%
St. Louis city313,144-1.95%
Greene County287,8814.57%
Clay County238,7627.22%
Jefferson County223,4131.96%
Boone County176,5558.20%
Jasper County119,2981.39%
Cass County102,7803.03%
Franklin County102,7541.28%
Platte County98,65310.00%
Buchanan County89,3540.32%
Christian County84,1598.12%
Cape Girardeau County78,3903.29%
Cole County76,7750.81%
St. Francois County66,3931.32%
Newton County58,2190.09%
Lincoln County55,1864.73%
Taney County54,7495.48%
Johnson County53,6511.77%
Pulaski County52,611-0.44%
Callaway County45,0771.74%
Camden County45,0092.15%
Phelps County44,828-1.07%
Butler County42,7890.00%
Pettis County42,2800.05%
Howell County40,140-1.05%
Scott County38,723-1.33%
Lawrence County38,224-0.93%
Webster County38,0654.99%
Laclede County35,427-0.70%
Barry County35,339-0.60%
Warren County33,8153.78%
Lafayette County32,542-2.55%
Stone County31,534-2.18%
Polk County31,4120.80%
Dunklin County30,556-4.35%
Stoddard County29,483-1.81%
Marion County28,667-0.41%
Audrain County25,8751.67%
Texas County25,852-0.70%
Adair County25,223-1.57%
Miller County24,9941.13%
Randolph County24,970-1.90%
Washington County24,832-1.44%
Crawford County24,232-1.53%
Saline County22,852-2.41%
McDonald County22,767-1.35%
Ray County22,721-3.29%
Nodaway County22,492-3.86%
Henry County21,617-2.81%
Vernon County20,554-2.80%
Clinton County20,530-1.01%
Morgan County20,099-2.15%
Perry County19,2011.39%
Benton County18,921-0.91%
Pike County18,5040.13%
Wright County18,275-3.06%
New Madrid County17,890-5.61%
Ste. Genevieve County17,880-1.32%
Cooper County17,6830.48%
Andrew County17,339-0.02%
Pemiscot County17,102-6.40%
Dallas County16,380-2.09%
Bates County16,371-3.89%
Moniteau County16,0072.41%
Dent County15,425-1.76%
Macon County15,143-2.89%
Livingston County15,1380.08%
Gasconade County14,750-3.03%
Cedar County13,886-0.59%
Ripley County13,781-2.23%
Mississippi County13,737-4.02%
Osage County13,596-2.06%
Douglas County13,352-2.18%
Wayne County13,207-2.22%
DeKalb County12,505-3.08%
Madison County12,2310.22%
Bollinger County12,204-1.16%
Linn County12,140-4.87%
Barton County11,859-4.27%
Montgomery County11,477-6.05%
Oregon County10,739-1.80%
Ralls County10,2280.42%
Iron County10,147-4.32%
Lewis County10,083-1.23%
Grundy County10,080-1.70%
Howard County10,062-0.86%
Hickory County9,374-2.79%
St. Clair County9,293-5.41%
Ozark County9,187-5.64%
Caldwell County9,070-3.86%
Maries County8,874-3.41%
Carroll County8,854-4.62%
Monroe County8,637-1.65%
Harrison County8,590-4.16%
Shannon County8,244-2.43%
Daviess County8,233-2.59%
Dade County7,606-3.02%
Chariton County7,529-4.04%
Clark County6,731-5.68%
Gentry County6,637-1.63%
Reynolds County6,370-4.64%
Sullivan County6,343-5.85%
Carter County6,207-1.35%
Shelby County6,051-4.95%
Atchison County5,310-6.15%
Scotland County4,9081.40%
Putnam County4,831-2.87%
Schuyler County4,4911.13%
Holt County4,479-8.87%
Knox County3,945-4.36%
Mercer County3,658-2.97%
Worth County2,028-5.85%