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Median Age in Missouri, by County

Median Age for every county in Missouri, ranked. The highest is Hickory County at 55.2 and the lowest is Pulaski County at 27.8.

Missouri: 39.0 · United States: 38.9 · median county in Missouri: 41.1

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#County Median Age
1Hickory County55.2
2Stone County54.6
3Benton County54.5
4Camden County53.2
5Ozark County51.4
6Wayne County48.6
7Worth County48.5
8Holt County47.4
9Dade County47.0
10Gasconade County46.8
11Atchison County46.7
12Reynolds County46.1
13St. Clair County46.1
14Putnam County45.9
15Ralls County45.9
16Monroe County45.7
17Douglas County45.5
18Morgan County45.4
19Maries County44.9
20Shannon County44.9
21Iron County44.8
22Chariton County44.7
23Bollinger County44.5
24Oregon County44.5
25Sullivan County44.1
26Henry County43.7
27Carroll County43.6
28Montgomery County43.6
29Clark County43.5
30Dent County43.5
31Macon County43.5
32Barry County43.4
33Ste. Genevieve County43.3
34Caldwell County43.2
35Cedar County43.0
36Crawford County43.0
37Texas County42.9
38Shelby County42.7
39Taney County42.6
40Andrew County42.5
41Mercer County42.4
42DeKalb County42.2
43Perry County42.2
44Linn County42.1
45Clinton County42.0
46Stoddard County42.0
47Ray County41.9
48Vernon County41.9
49Franklin County41.8
50Harrison County41.8
51Dallas County41.7
52Bates County41.4
53Miller County41.3
54New Madrid County41.3
55Barton County41.1
56Madison County41.1
57Mississippi County41.1
58Osage County41.1
59Wright County41.1
60Lafayette County40.9
61Warren County40.8
62Ripley County40.7
63Washington County40.7
64Grundy County40.6
65Cooper County40.5
66Cass County40.4
67Daviess County40.3
68Howell County40.3
69Jefferson County40.3
70St. Louis County40.3
71Audrain County40.2
72Gentry County40.2
73Newton County40.2
74Knox County40.1
75Randolph County40.0
76Cole County39.9
77Livingston County39.8
78St. Charles County39.8
79Dunklin County39.7
80Scott County39.7
81Marion County39.6
82Pike County39.6
83Butler County39.5
84St. Francois County39.5
85Callaway County39.4
86Christian County39.2
87Laclede County39.2
88Schuyler County39.2
89Platte County39.1
90Howard County39.0
91Buchanan County38.9
92Carter County38.9
93Lawrence County38.8
94Moniteau County38.4
95McDonald County38.2
96Pettis County38.2
97Pemiscot County38.1
98Polk County38.1
99Clay County37.9
100Lewis County37.6
101Lincoln County37.5
102Cape Girardeau County37.1
103Jackson County37.0
104Webster County37.0
105Jasper County36.8
106St. Louis city36.8
107Scotland County36.5
108Greene County36.4
109Phelps County35.8
110Saline County35.3
111Nodaway County33.7
112Boone County32.7
113Johnson County31.5
114Adair County30.2
115Pulaski County27.8

Half of residents are older than this and half are younger.

Source: ACS 2020-2024 5-Year Estimates, 2024.

Missouri ranks 30th of 52 states for median age.

Median Age in other states

Other statistics for Missouri by county