# Counties in Missouri by population, 2025

All 115 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/population/missouri-counties
- CSV: https://invokely.ai/download/rankings/population/missouri-counties.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | St. Louis County | 990,911 |
| 2 | Jackson County | 732,994 |
| 3 | St. Charles County | 426,499 |
| 4 | Greene County | 309,286 |
| 5 | St. Louis city | 278,144 |
| 6 | Clay County | 265,032 |
| 7 | Jefferson County | 233,132 |
| 8 | Boone County | 191,746 |
| 9 | Jasper County | 127,428 |
| 10 | Cass County | 115,859 |
| 11 | Platte County | 114,400 |
| 12 | Franklin County | 108,090 |
| 13 | Christian County | 96,725 |
| 14 | Cape Girardeau County | 83,999 |
| 15 | Buchanan County | 83,540 |
| 16 | Cole County | 77,908 |
| 17 | St. Francois County | 67,809 |
| 18 | Lincoln County | 66,676 |
| 19 | Newton County | 62,263 |
| 20 | Taney County | 57,001 |
| 21 | Johnson County | 56,670 |
| 22 | Pulaski County | 54,442 |
| 23 | Callaway County | 45,765 |
| 24 | Phelps County | 45,247 |
| 25 | Pettis County | 44,254 |
| 26 | Camden County | 44,047 |
| 27 | Webster County | 43,054 |
| 28 | Butler County | 41,904 |
| 29 | Howell County | 40,798 |
| 30 | Lawrence County | 39,401 |
| 31 | Warren County | 39,016 |
| 32 | Scott County | 37,975 |
| 33 | Laclede County | 36,943 |
| 34 | Barry County | 36,200 |
| 35 | Polk County | 33,604 |
| 36 | Lafayette County | 33,531 |
| 37 | Stone County | 32,503 |
| 38 | Marion County | 28,525 |
| 39 | Stoddard County | 28,284 |
| 40 | Dunklin County | 26,855 |
| 41 | Texas County | 25,994 |
| 42 | Miller County | 25,817 |
| 43 | Adair County | 25,684 |
| 44 | Audrain County | 24,528 |
| 45 | Randolph County | 24,513 |
| 46 | McDonald County | 23,992 |
| 47 | Washington County | 23,810 |
| 48 | Ray County | 23,398 |
| 49 | Saline County | 23,265 |
| 50 | Crawford County | 22,929 |
| 51 | Henry County | 22,671 |
| 52 | Morgan County | 22,418 |
| 53 | Clinton County | 21,661 |
| 54 | Benton County | 20,536 |
| 55 | Nodaway County | 20,174 |
| 56 | Vernon County | 19,946 |
| 57 | Wright County | 19,671 |
| 58 | Perry County | 19,093 |
| 59 | Ste. Genevieve County | 18,689 |
| 60 | Andrew County | 18,241 |
| 61 | Dallas County | 18,025 |
| 62 | Pike County | 17,955 |
| 63 | Cooper County | 17,136 |
| 64 | Bates County | 16,512 |
| 65 | Moniteau County | 15,428 |
| 66 | Macon County | 15,190 |
| 67 | New Madrid County | 15,086 |
| 68 | Cedar County | 14,888 |
| 69 | Gasconade County | 14,784 |
| 70 | Livingston County | 14,708 |
| 71 | Dent County | 14,584 |
| 72 | Pemiscot County | 14,465 |
| 73 | Osage County | 13,611 |
| 74 | Madison County | 12,858 |
| 75 | Douglas County | 12,342 |
| 76 | Mississippi County | 12,003 |
| 77 | Linn County | 11,815 |
| 78 | Barton County | 11,795 |
| 79 | Montgomery County | 11,590 |
| 80 | Wayne County | 10,782 |
| 81 | Ripley County | 10,717 |
| 82 | Bollinger County | 10,646 |
| 83 | Ralls County | 10,444 |
| 84 | Howard County | 10,180 |
| 85 | St. Clair County | 9,976 |
| 86 | Lewis County | 9,879 |
| 87 | DeKalb County | 9,795 |
| 88 | Grundy County | 9,744 |
| 89 | Iron County | 9,318 |
| 90 | Ozark County | 9,172 |
| 91 | Hickory County | 9,044 |
| 92 | Caldwell County | 9,012 |
| 93 | Monroe County | 8,959 |
| 94 | Oregon County | 8,709 |
| 95 | Daviess County | 8,558 |
| 96 | Carroll County | 8,417 |
| 97 | Maries County | 8,397 |
| 98 | Harrison County | 8,281 |
| 99 | Dade County | 7,804 |
| 100 | Chariton County | 7,377 |
| 101 | Shannon County | 7,285 |
| 102 | Clark County | 6,475 |
| 103 | Gentry County | 6,384 |
| 104 | Reynolds County | 5,992 |
| 105 | Shelby County | 5,870 |
| 106 | Sullivan County | 5,738 |
| 107 | Carter County | 5,418 |
| 108 | Atchison County | 5,175 |
| 109 | Scotland County | 4,796 |
| 110 | Putnam County | 4,546 |
| 111 | Holt County | 4,200 |
| 112 | Schuyler County | 4,140 |
| 113 | Knox County | 3,728 |
| 114 | Mercer County | 3,404 |
| 115 | Worth County | 1,914 |