Kansas Citizen Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen population for Kansas was 2,782,070 and represented 95.64% of the total Kansas population.

Among all Kansas counties, Johnson had the highest citizen population (558.29K), followed by Sedgwick (488.66K), and Shawnee (173.92K).

In terms of percentages, Chautauqua had the highest percentage of its population being citizens (100.00%), followed by Rush (100.00%), and Osage (99.87%).

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 2018

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

See this for other years:

Kansas Citizen Population By County in 2018

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County	Citizen Population	% of County Population
Johnson	558290	95.35
Sedgwick	488660	95.43
Shawnee	173915	97.55
Wyandotte	143110	87.08
Douglas	113610	95.22
Leavenworth	78935	98.62
Riley	70630	93.80
Butler	65515	98.56
Reno	61870	98.05
Saline	53250	96.86
Crawford	38150	97.55
Cowley	35055	98.50
Geary	33950	97.29
Harvey	33605	97.25
Miami	32945	99.46
Montgomery	32345	98.10
Finney	31845	86.17
Lyon	31015	93.14
McPherson	28330	98.95
Ellis	28310	98.03
Ford	27540	79.86
Barton	25535	95.32
Franklin	25360	99.20
Pottawatomie	23180	98.45
Sumner	23100	99.53
Labette	20305	99.71
Cherokee	20150	99.12
Dickinson	18840	99.13
Jefferson	18830	99.68
Seward	18100	79.77
Atchison	16250	99.30
Neosho	15875	98.45
Osage	15860	99.87
Bourbon	14665	99.76
Jackson	13245	99.44
Allen	12580	99.60
Marion	11970	99.50
Nemaha	10045	99.41
Marshall	9750	99.49
Linn	9615	99.79
Brown	9610	99.43
Rice	9460	96.93
Pratt	9325	97.34
Cloud	8965	98.95
Wilson	8760	99.77
Coffey	8270	99.70
Clay	8105	99.57
Anderson	7825	99.68
Doniphan	7700	99.55
Thomas	7600	97.13
Kingman	7400	99.06
Russell	6895	98.85
Wabaunsee	6875	99.78
Grant	6700	87.98
Pawnee	6655	99.18
Ellsworth	6220	98.81
Mitchell	6190	99.52
Greenwood	6135	99.68
Sherman	5905	98.99
Ottawa	5870	99.49
Harper	5610	98.86
Gray	5530	91.63
Morris	5490	98.65
Washington	5425	98.19
Norton	5385	98.18
Phillips	5345	98.80
Rooks	5110	99.81
Stevens	4815	84.70
Barber	4710	99.47
Republic	4640	99.04
Scott	4610	93.13
Stafford	4110	97.51
Meade	3995	93.78
Smith	3655	99.73
Kearny	3600	91.60
Osborne	3590	99.58
Haskell	3500	86.53
Chautauqua	3365	100.00
Woodson	3155	99.53
Rush	3100	100.00
Lincoln	3085	99.68
Jewell	2900	99.49
Trego	2850	99.65
Decatur	2825	98.09
Ness	2795	94.59
Logan	2775	98.75
Edwards	2745	93.85
Chase	2640	99.81
Morton	2600	91.55
Cheyenne	2595	97.01
Gove	2575	98.28
Elk	2555	99.81
Graham	2520	99.02
Sheridan	2445	97.61
Rawlins	2440	97.21
Kiowa	2435	96.44
Hamilton	2260	86.42
Clark	2015	98.05
Wichita	1975	92.08
Stanton	1890	91.53
Hodgeman	1760	95.65
Comanche	1730	97.19
Lane	1630	99.39
Wallace	1545	98.10
Greeley	1145	95.42