Fastest Growing Counties in Kansas (2026)

County
Rank
Change (2020) ↓
2026 Pop.
2020 Pop.
Pottawatomie County18.23%27,51425,422
Miami County27.17%36,67934,224
Johnson County35.21%642,980611,129
Linn County44.6%10,0369,595
Butler County53.64%69,84267,388
Leavenworth County63.49%84,83681,974
Sedgwick County73.36%542,480524,831
Anderson County83.34%8,1037,841
Coffey County92.96%8,6058,358
Douglas County101.78%120,901118,781
Doniphan County111.65%7,5947,471
Jackson County121.62%13,45213,237
Riley County131.55%73,12472,011
Wyandotte County141.42%171,324168,921
Dickinson County151.38%18,63618,383
Franklin County161.3%26,35326,014
Geary County171.2%37,21136,768
Wabaunsee County180.9%6,9576,895
Woodson County190.81%3,1203,095
Stafford County200.76%4,0914,060
Ellis County210.6%29,12428,951
Morris County220.48%5,3895,363
Crawford County230.26%39,05638,955
Lyon County240.22%32,18132,110
Shawnee County250.16%178,992178,699
Hamilton County260.08%2,4912,489
Cowley County27-0.04%34,51334,528
Pratt County28-0.13%9,1289,140
Jefferson County29-0.25%18,28518,330
Reno County30-0.3%61,70861,891
Comanche County31-0.36%1,6731,679
Kiowa County32-0.37%2,4482,457
Sumner County33-0.4%22,25222,341
Republic County34-0.47%4,6554,677
Gray County35-0.53%5,6145,644
McPherson County36-0.54%30,03330,195
Elk County37-0.56%2,4662,480
Graham County38-0.62%2,3912,406
Smith County39-0.67%3,5423,566
Osage County40-0.68%15,64015,747
Washington County41-0.7%5,5055,544
Cloud County42-0.82%8,9369,010
Ottawa County43-0.86%5,6805,729
Cheyenne County44-0.88%2,5902,613
Chase County45-0.89%2,5512,574
Atchison County46-0.92%16,17516,325
Bourbon County47-0.98%14,19814,339
Sheridan County48-1.02%2,4212,446
Harvey County49-1.34%33,54033,996
Cherokee County50-1.35%19,04319,303
Rice County51-1.35%9,2559,382
Ford County52-1.5%33,69934,213
Saline County53-1.51%53,44054,260
Kearny County54-1.54%3,9073,968
Decatur County55-1.56%2,7192,762
Marion County56-1.69%11,58911,788
Neosho County57-1.72%15,64315,916
Clay County58-1.97%7,9668,126
Marshall County59-2.26%9,79410,020
Allen County60-2.31%12,24312,533
Trego County61-2.31%2,7442,809
Nemaha County62-2.4%10,02210,268
Ellsworth County63-2.43%6,2126,367
Labette County64-2.44%19,67620,169
Harper County65-2.52%5,3335,471
Russell County66-2.53%6,5086,677
Ness County67-2.58%2,6052,674
Greenwood County68-2.6%5,8065,961
Rush County69-2.76%2,8592,940
Finney County70-2.85%37,21638,307
Thomas County71-2.88%7,6987,926
Barber County72-2.93%4,0814,204
Sherman County73-2.93%5,7345,907
Barton County74-3.03%24,66725,437
Haskell County75-3.14%3,6403,758
Wilson County76-3.31%8,2978,581
Norton County77-3.32%5,2715,452
Clark County78-3.34%1,9101,976
Lane County79-3.38%1,5151,568
Chautauqua County80-3.43%3,2693,385
Seward County81-3.88%21,00921,857
Logan County82-3.9%2,6352,742
Lincoln County83-4.27%2,8242,950
Brown County84-4.27%9,0759,480
Gove County85-4.39%2,5932,712
Jewell County86-4.51%2,7962,928
Grant County87-4.55%6,9927,325
Montgomery County88-4.63%29,94831,401
Rawlins County89-5.06%2,4372,567
Pawnee County90-5.12%5,9316,251
Kingman County91-5.3%7,0337,427
Phillips County92-5.31%4,7054,969
Stanton County93-5.58%1,9632,079
Mitchell County94-5.82%5,4405,776
Wichita County95-5.91%2,0232,150
Meade County96-6.09%3,8124,059
Stevens County97-6.12%4,9215,242
Rooks County98-6.37%4,5754,886
Wallace County99-7.28%1,4021,512
Osborne County100-7.4%3,2293,487
Greeley County101-8.07%1,1731,276
Scott County102-8.15%4,7225,141
Morton County103-9.45%2,4422,697
Hodgeman County104-9.65%1,5731,741
Edwards County105-11.42%2,5592,889

Kansas Counties Growth Overview

Kansas's counties show varied growth patterns from 2020 to 2026. Pottawatomie County leads with 1.33% annualized growth, followed by Miami County (1.16%) and Johnson County (0.85%). The largest counties are Johnson County (642,980), Sedgwick County (542,480), and Shawnee County (178,992). Of the 105 counties in Kansas, 26 are growing while 79 have experienced population decline. Overall, counties averaged -0.3% annualized growth, with total population growing by 0.29% annually.

Change (2020)

-0.05

-0.025

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0.025

0.05

0.075