Kansas Population By County in 2012

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2012, the population of Kansas was 2,886,024. Among all Kansas counties, Johnson had the highest population (559,647), followed by Sedgwick (504,171), and Shawnee (179,013). Greeley was the least populated county (1,268).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.

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Kansas Population By County in 2012
Kansas Population By County in 2012
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County Population % of State Population
Allen 13304 0.46
Anderson 7925 0.28
Atchison 16779 0.58
Barber 4867 0.17
Barton 27522 0.95
Bourbon 14877 0.52
Brown 9869 0.34
Butler 65692 2.28
Chase 2741 0.10
Chautauqua 3562 0.12
Cherokee 21206 0.74
Cheyenne 2668 0.09
Clark 2166 0.08
Clay 8499 0.29
Cloud 9416 0.33
Coffey 8470 0.29
Comanche 1916 0.07
Cowley 36281 1.26
Crawford 39333 1.36
Decatur 2886 0.10
Dickinson 19708 0.68
Doniphan 7891 0.27
Douglas 113360 3.93
Edwards 2968 0.10
Elk 2662 0.09
Ellis 29100 1.01
Ellsworth 6469 0.22
Finney 37106 1.29
Ford 34661 1.20
Franklin 25836 0.90
Geary 37946 1.32
Gove 2762 0.10
Graham 2581 0.09
Grant 7833 0.27
Gray 5963 0.21
Greeley 1268 0.04
Greenwood 6427 0.22
Hamilton 2648 0.09
Harper 5862 0.20
Harvey 34769 1.21
Haskell 4212 0.15
Hodgeman 1927 0.07
Jackson 13402 0.46
Jefferson 18858 0.65
Jewell 3055 0.11
Johnson 559647 19.39
Kearny 3974 0.14
Kingman 7827 0.27
Kiowa 2512 0.09
Labette 21165 0.73
Lane 1682 0.06
Leavenworth 77708 2.69
Lincoln 3179 0.11
Linn 9481 0.33
Logan 2794 0.10
Lyon 33544 1.16
McPherson 29226 1.01
Marion 12378 0.43
Marshall 10027 0.35
Meade 4378 0.15
Miami 32681 1.13
Mitchell 6302 0.22
Montgomery 34483 1.20
Morris 5849 0.20
Morton 3126 0.11
Nemaha 10070 0.35
Neosho 16425 0.57
Ness 3077 0.11
Norton 5589 0.19
Osage 16179 0.56
Osborne 3810 0.13
Ottawa 6027 0.21
Pawnee 6865 0.24
Phillips 5520 0.19
Pottawatomie 22339 0.77
Pratt 9760 0.34
Rawlins 2509 0.09
Reno 64210 2.23
Republic 4826 0.17
Rice 9988 0.35
Riley 77545 2.69
Rooks 5221 0.18
Rush 3208 0.11
Russell 6989 0.24
Saline 55841 1.94
Scott 4856 0.17
Sedgwick 504171 17.47
Seward 23358 0.81
Shawnee 179013 6.20
Sheridan 2490 0.09
Sherman 6122 0.21
Smith 3754 0.13
Stafford 4350 0.15
Stanton 2156 0.08
Stevens 5737 0.20
Sumner 23632 0.82
Thomas 7942 0.28
Trego 2939 0.10
Wabaunsee 6993 0.24
Wallace 1523 0.05
Washington 5727 0.20
Wichita 2228 0.08
Wilson 9121 0.32
Woodson 3274 0.11
Wyandotte 159424 5.52