Kansas Citizen Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the citizen population for Kansas was 2,792,980 and represented 95.89% of the total Kansas population.

Among all Kansas counties, Johnson had the highest citizen population (571.09K), followed by Sedgwick (491.73K), and Shawnee (173.22K).

In terms of percentages, Linn had the highest percentage of its population being citizens (100.00%), followed by Woodson (100.00%), and Rooks (99.90%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

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

You may also be interested in:
Kansas Citizen Voting-age Population By County in 2020

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Kansas Citizen Population By County in 2020

Items per page:

0 of 0

County	Citizen Population	% of County Population
Johnson	571090	95.57
Sedgwick	491730	95.41
Shawnee	173220	97.70
Wyandotte	144240	87.18
Douglas	116045	95.66
Leavenworth	80470	98.74
Riley	70445	95.12
Butler	65895	98.51
Reno	61425	98.41
Saline	53060	97.56
Crawford	38265	98.43
Cowley	34555	98.48
Harvey	33625	97.65
Miami	33555	99.45
Geary	32390	97.24
Finney	31965	87.70
Montgomery	31830	99.11
Lyon	31000	93.28
Ellis	28325	98.54
McPherson	28225	98.84
Ford	27645	81.98
Franklin	25410	99.08
Barton	25235	96.28
Pottawatomie	23925	98.84
Sumner	22790	99.39
Cherokee	19900	99.43
Labette	19895	99.77
Jefferson	18905	99.63
Dickinson	18455	99.14
Seward	17615	80.43
Atchison	16130	99.51
Osage	15790	99.59
Neosho	15655	97.78
Bourbon	14445	99.35
Jackson	13170	99.40
Allen	12310	98.44
Marion	11815	99.58
Nemaha	10090	99.80
Linn	9685	100.00
Marshall	9680	99.64
Brown	9545	99.69
Rice	9260	97.17
Pratt	9215	98.82
Cloud	8755	99.15
Wilson	8585	99.83
Coffey	8200	99.76
Clay	7970	99.25
Anderson	7845	99.62
Doniphan	7560	99.28
Thomas	7475	96.45
Kingman	7110	99.09
Russell	6860	99.49
Wabaunsee	6860	99.78
Pawnee	6500	99.39
Grant	6485	88.53
Ellsworth	6090	98.62
Mitchell	6045	99.84
Greenwood	5990	99.67
Sherman	5835	98.82
Ottawa	5750	99.57
Gray	5545	92.11
Morris	5470	98.56
Harper	5410	98.27
Norton	5335	98.52
Washington	5305	96.90
Phillips	5265	99.43
Stevens	5120	93.09
Rooks	4980	99.90
Republic	4580	99.46
Scott	4555	93.05
Barber	4450	99.00
Stafford	3980	96.49
Meade	3830	92.96
Kearny	3600	93.14
Smith	3570	99.31
Haskell	3500	87.72
Osborne	3485	99.71
Chautauqua	3255	99.24
Woodson	3115	100.00
Lincoln	3010	99.83
Rush	2950	99.83
Jewell	2820	98.77
Decatur	2790	98.76
Trego	2790	99.64
Logan	2745	98.39
Ness	2735	96.30
Edwards	2660	94.33
Gove	2640	99.62
Chase	2565	98.46
Cheyenne	2560	96.97
Morton	2505	94.35
Elk	2495	99.80
Kiowa	2470	99.40
Sheridan	2465	98.01
Graham	2455	99.59
Rawlins	2445	98.19
Hamilton	2115	82.94
Clark	1985	99.00
Wichita	1970	93.37
Stanton	1880	92.61
Hodgeman	1820	97.33
Comanche	1750	99.43
Wallace	1555	98.11
Lane	1505	98.69
Greeley	1105	95.67