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County | 2024 Pop. | Change (2020) | Area (mi²) | Density (/mi²) | Location |
---|---|---|---|---|---|
Johnson County | 625,383 | 2.33% | 183 | 1,319 | |
Sedgwick County | 531,570 | 1.29% | 385 | 533 | |
Shawnee County | 177,955 | -0.42% | 210 | 327 | |
Wyandotte County | 164,936 | -2.36% | 59 | 1,085 | |
Douglas County | 121,099 | 1.95% | 176 | 266 | |
Leavenworth County | 84,114 | 2.62% | 179 | 182 | |
Riley County | 71,241 | -1.08% | 235 | 117 | |
Butler County | 68,975 | 2.35% | 552 | 48 | |
Reno County | 61,442 | -0.7% | 484 | 49 | |
Saline County | 52,807 | -2.67% | 278 | 73 | |
Crawford County | 38,383 | -1.45% | 228 | 65 | |
Finney County | 37,293 | -2.64% | 503 | 29 | |
Miami County | 35,849 | 4.75% | 222 | 62 | |
Geary County | 34,565 | -5.97% | 149 | 90 | |
Ford County | 34,036 | -0.52% | 424 | 31 | |
Cowley County | 33,891 | -1.86% | 435 | 30 | |
Harvey County | 33,337 | -1.91% | 208 | 62 | |
Lyon County | 32,313 | 0.62% | 327 | 38 | |
Montgomery County | 30,283 | -3.57% | 249 | 47 | |
McPherson County | 30,119 | -0.22% | 347 | 34 | |
Ellis County | 28,780 | -0.58% | 347 | 32 | |
Pottawatomie County | 26,472 | 4.18% | 325 | 31 | |
Franklin County | 26,291 | 1.12% | 221 | 46 | |
Barton County | 24,740 | -2.7% | 345 | 28 | |
Sumner County | 22,309 | -0.09% | 456 | 19 | |
Seward County | 20,789 | -4.89% | 247 | 32 | |
Labette County | 19,754 | -2.06% | 249 | 31 | |
Cherokee County | 19,083 | -1.17% | 227 | 32 | |
Dickinson County | 18,535 | 0.88% | 327 | 22 | |
Jefferson County | 18,300 | -0.13% | 206 | 34 | |
Atchison County | 15,979 | -2.14% | 166 | 37 | |
Osage County | 15,943 | 1.28% | 273 | 23 | |
Neosho County | 15,257 | -4.07% | 220 | 27 | |
Bourbon County | 14,373 | 0.27% | 245 | 23 | |
Jackson County | 13,444 | 1.55% | 253 | 20 | |
Allen County | 12,335 | -1.58% | 193 | 25 | |
Marion County | 11,597 | -1.66% | 364 | 12 | |
Nemaha County | 10,064 | -1.93% | 277 | 14 | |
Linn County | 9,943 | 3.71% | 229 | 17 | |
Marshall County | 9,874 | -1.49% | 347 | 11 | |
Rice County | 9,150 | -2.55% | 280 | 13 | |
Brown County | 9,127 | -3.64% | 220 | 16 | |
Pratt County | 9,091 | -0.57% | 284 | 12 | |
Cloud County | 8,774 | -2.61% | 276 | 12 | |
Coffey County | 8,250 | -1.28% | 242 | 13 | |
Wilson County | 8,210 | -4.33% | 220 | 14 | |
Clay County | 7,973 | -1.82% | 249 | 12 | |
Anderson County | 7,878 | 0.5% | 224 | 14 | |
Thomas County | 7,822 | -1.39% | 415 | 7 | |
Doniphan County | 7,511 | 0.5% | 152 | 19 | |
Wabaunsee County | 7,105 | 3.11% | 306 | 9 | |
Grant County | 7,044 | -3.85% | 222 | 12 | |
Kingman County | 6,958 | -6.29% | 333 | 8 | |
Russell County | 6,713 | 0.52% | 342 | 8 | |
Ellsworth County | 6,331 | -0.6% | 276 | 9 | |
Pawnee County | 6,064 | -3.07% | 291 | 8 | |
Greenwood County | 5,832 | -2.43% | 441 | 5 | |
Ottawa County | 5,830 | 1.76% | 278 | 8 | |
Sherman County | 5,812 | -1.44% | 408 | 6 | |
Gray County | 5,775 | 2.27% | 335 | 7 | |
Mitchell County | 5,708 | -1.13% | 271 | 8 | |
Washington County | 5,515 | -0.27% | 345 | 6 | |
Harper County | 5,470 | -0.04% | 309 | 7 | |
Norton County | 5,335 | -2.16% | 339 | 6 | |
Morris County | 5,268 | -1.88% | 268 | 8 | |
Stevens County | 4,988 | -4.86% | 281 | 7 | |
Scott County | 4,837 | -5.88% | 277 | 7 | |
Rooks County | 4,746 | -3% | 344 | 5 | |
Phillips County | 4,739 | -4.47% | 342 | 5 | |
Republic County | 4,601 | -1.35% | 277 | 6 | |
Barber County | 4,018 | -4.29% | 438 | 4 | |
Meade County | 3,909 | -3.74% | 378 | 4 | |
Stafford County | 3,847 | -4.99% | 306 | 5 | |
Kearny County | 3,781 | -4.57% | 336 | 4 | |
Haskell County | 3,665 | -2.53% | 223 | 6 | |
Smith County | 3,608 | 1.15% | 345 | 4 | |
Osborne County | 3,373 | -3.35% | 345 | 4 | |
Chautauqua County | 3,307 | -2.33% | 247 | 5 | |
Woodson County | 3,113 | 0.45% | 192 | 6 | |
Lincoln County | 2,929 | -0.68% | 278 | 4 | |
Jewell County | 2,809 | -4.03% | 351 | 3 | |
Decatur County | 2,735 | -0.87% | 345 | 3 | |
Gove County | 2,728 | 0.52% | 414 | 3 | |
Rush County | 2,719 | -7.45% | 277 | 4 | |
Trego County | 2,716 | -3.1% | 343 | 3 | |
Edwards County | 2,706 | -6.17% | 240 | 4 | |
Cheyenne County | 2,654 | 1.53% | 394 | 3 | |
Logan County | 2,627 | -4.09% | 414 | 2 | |
Chase County | 2,590 | 0.74% | 298 | 3 | |
Ness County | 2,579 | -3.52% | 415 | 2 | |
Morton County | 2,559 | -5.22% | 282 | 4 | |
Elk County | 2,486 | 0.16% | 249 | 4 | |
Hamilton County | 2,422 | -2.61% | 385 | 2 | |
Sheridan County | 2,407 | -1.55% | 346 | 3 | |
Rawlins County | 2,403 | -6.57% | 413 | 2 | |
Graham County | 2,355 | -2% | 347 | 3 | |
Kiowa County | 2,343 | -4.56% | 279 | 3 | |
Wichita County | 2,086 | -2.93% | 278 | 3 | |
Stanton County | 1,835 | -11.95% | 262 | 3 | |
Clark County | 1,755 | -11.32% | 376 | 2 | |
Comanche County | 1,620 | -3.46% | 304 | 2 | |
Hodgeman County | 1,613 | -7.14% | 332 | 2 | |
Wallace County | 1,525 | 0.86% | 353 | 2 | |
Lane County | 1,514 | -3.44% | 277 | 2 | |
Greeley County | 1,130 | -11.3% | 300 | 1 |
There are 105 counties in Kansas. Of the 105 counties in Kansas, Johnson County is the most populous. Johnson County has a population of 597,555 people, about 20.52% of the state’s total population. Johnson County has grown about 9.51% since the 2010 Census. Sedgwick County is the second-largest county in Kansas and the only other county with over 500,000 people, with a population of 513,607 people. Sedgwick comprises 17.64% of the state’s population and has grown about 2.90% since the 2010 Census. Wyandotte County is the third-most populous county in Kansas, with a population of 165,324. Wyandotte County is also home to Kansas City. Wyandotte comprises about 5.68% of Kansas’s population and has grown 4.88% since the 2010 Census.
Greeley County is the smallest county in Kansas in terms of population size, home to only 1,227 people. This is only 0.04% of the state’s total population. The population density in Greeley County is only 1.58 persons per square kilometer. While the county already has a very small population, it has declined by 2.46% since the 2010 Census.
The next two counties with the fewest residents are Wallace (1,503) and Lane (1,560), comprising only about 0.10% of Kansas’s total population together. Wallace County has a population density of just 1.65 persons per square kilometer and Lane County’s is 2.17 persons per square kilometer. While Wallace County has grown 1.55% since 2010, Lane County has shrunk by 10.14%.
Only one county in Kansas has experienced double-digit growth since 2010: Pottawatomie County. Pottawatomie County has grown by 11.73% since the Census. Despite this growth, its population is still relatively small at 24,277 people, just 0.83% of the state’s population.
The next three fastest-growing counties in Kansas are Johnson, Douglas, and Leavenworth. These counties have grown 9.51%, 9.21%, and 6.33% respectively since 2010.
State | Counties |
---|---|
Texas | 254 |
Georgia | 159 |
Virginia | 133 |
Kentucky | 120 |
Missouri | 115 |
Kansas | 105 |
Illinois | 102 |
North Carolina | 100 |
Iowa | 99 |
Tennessee | 95 |
Nebraska | 93 |
Indiana | 92 |
Ohio | 88 |
Minnesota | 87 |
Michigan | 83 |
Mississippi | 82 |
Puerto Rico | 78 |
Oklahoma | 77 |
Arkansas | 75 |
Wisconsin | 72 |
Alabama | 67 |
Florida | 67 |
Pennsylvania | 67 |
South Dakota | 66 |
Colorado | 64 |
Louisiana | 64 |
New York | 62 |
California | 58 |
Montana | 56 |
West Virginia | 55 |
North Dakota | 53 |
South Carolina | 46 |
Idaho | 44 |
Washington | 39 |
Oregon | 36 |
New Mexico | 33 |
Alaska | 30 |
Utah | 29 |
Maryland | 24 |
Wyoming | 23 |
New Jersey | 21 |
Nevada | 17 |
Maine | 16 |
Arizona | 15 |
Massachusetts | 14 |
Vermont | 14 |
New Hampshire | 10 |
Connecticut | 9 |
Hawaii | 5 |
Rhode Island | 5 |
Delaware | 3 |
District of Columbia | 1 |