KS · 2026 Census Gazetteer

Kansas counties by area

Official, comparable measurements for 105 counties and county equivalents.

Source fields preservedGEOID · ALAND · AWATER

County equivalents105

Combined land81,758.8 mi²

Combined water519.4 mi²

Largest by landButler County

Understanding Kansas’s county areas

The land-area range runs from Wyandotte County at 151.6 mi² to Butler County at 1,429.7 mi². The largest has 9.4 times the land area of the smallest and accounts for 1.7% of the combined county land in Kansas.

The median county-equivalent land area is 729.7 mi², above the national median of 604.5 mi². The median describes the middle of the county size distribution; it does not describe how people or development are distributed. A state with a few very large counties can have a much smaller median than its largest entry suggests.

Where water changes the picture

Coffey County has the most assigned water area, at 27.2 mi². Geary County has the highest water share, with water making up 4.9% of its total area. Water area and water percentage answer different questions: the first measures an amount, while the second measures the mix of land and water.

Across all 105 entries, water accounts for 0.6% of the combined total area. This is calculated from the summed land and water measurements, rather than averaging county percentages, which would give each small and large county equal weight.

Compare the largest and smallest county equivalents in Kansas to see land, water, and total area on the same scale.

These calculations use the 2026 Census county records listed below. County-equivalent boundaries vary between states; area alone does not measure population, density, or usable land. See coverage and calculation rules.

Complete area table

Sorted from largest to smallest land area.

#	County / equivalent	Land	Water	Water share
1	Butler CountyGEOID 20015	1,429.7 mi²	16.8 mi²	1.2%
2	Finney CountyGEOID 20055	1,302 mi²	0.7 mi²	0.1%
3	Reno CountyGEOID 20155	1,255.3 mi²	16.8 mi²	1.3%
4	Sumner CountyGEOID 20191	1,181.7 mi²	3.3 mi²	0.3%
5	Greenwood CountyGEOID 20073	1,143.3 mi²	9.3 mi²	0.8%
6	Barber CountyGEOID 20007	1,134.1 mi²	2.1 mi²	0.2%
7	Cowley CountyGEOID 20035	1,125.7 mi²	6.7 mi²	0.6%
8	Ford CountyGEOID 20057	1,098.3 mi²	0.8 mi²	0.1%
9	Ness CountyGEOID 20135	1,074.7 mi²	0.3 mi²	0%
10	Thomas CountyGEOID 20193	1,074.7 mi²	0.1 mi²	0%
11	Logan CountyGEOID 20109	1,073 mi²	0.1 mi²	0%
12	Gove CountyGEOID 20063	1,071.7 mi²	0.1 mi²	0%
13	Rawlins CountyGEOID 20153	1,069.4 mi²	0.2 mi²	0%
14	Sherman CountyGEOID 20181	1,056.1 mi²	0.2 mi²	0%
15	Cheyenne CountyGEOID 20023	1,019.9 mi²	1.1 mi²	0.1%
16	Sedgwick CountyGEOID 20173	997 mi²	12.1 mi²	1.2%
17	Hamilton CountyGEOID 20075	996.5 mi²	1.1 mi²	0.1%
18	Meade CountyGEOID 20119	978.1 mi²	1.3 mi²	0.1%
19	Clark CountyGEOID 20025	974.6 mi²	2.6 mi²	0.3%
20	Marion CountyGEOID 20115	944.3 mi²	9.4 mi²	1%
21	Wallace CountyGEOID 20199	913.7 mi²	0.1 mi²	0%
22	Jewell CountyGEOID 20089	910 mi²	4.4 mi²	0.5%
23	Marshall CountyGEOID 20117	900.2 mi²	4.9 mi²	0.5%
24	Ellis CountyGEOID 20051	899.9 mi²	0.4 mi²	0%
25	Graham CountyGEOID 20065	898.5 mi²	0.2 mi²	0%
26	McPherson CountyGEOID 20113	898.3 mi²	2.3 mi²	0.3%
27	Sheridan CountyGEOID 20179	896 mi²	0.3 mi²	0%
28	Smith CountyGEOID 20183	895.5 mi²	1.5 mi²	0.2%
29	Barton CountyGEOID 20009	895.3 mi²	5.4 mi²	0.6%
30	Washington CountyGEOID 20201	894.8 mi²	3.9 mi²	0.4%
31	Decatur CountyGEOID 20039	893.5 mi²	0.6 mi²	0.1%
32	Osborne CountyGEOID 20141	892.5 mi²	1.9 mi²	0.2%
33	Rooks CountyGEOID 20163	890.5 mi²	4.6 mi²	0.5%
34	Trego CountyGEOID 20195	889.5 mi²	10.1 mi²	1.1%
35	Russell CountyGEOID 20167	886.3 mi²	13.2 mi²	1.5%
36	Phillips CountyGEOID 20147	885.9 mi²	8.7 mi²	1%
37	Norton CountyGEOID 20137	878 mi²	3.3 mi²	0.4%
38	Kearny CountyGEOID 20093	870.5 mi²	0.4 mi²	0.1%
39	Gray CountyGEOID 20069	868.9 mi²	0.4 mi²	0%
40	Kingman CountyGEOID 20095	863.4 mi²	3.2 mi²	0.4%
41	Hodgeman CountyGEOID 20083	860 mi²	0.3 mi²	0%
42	Lyon CountyGEOID 20111	847.5 mi²	7.9 mi²	0.9%
43	Dickinson CountyGEOID 20041	847.1 mi²	4.9 mi²	0.6%
44	Pottawatomie CountyGEOID 20149	840.7 mi²	20.9 mi²	2.4%
45	Harper CountyGEOID 20077	801.3 mi²	1.5 mi²	0.2%
46	Wabaunsee CountyGEOID 20197	794.3 mi²	5.3 mi²	0.7%
47	Stafford CountyGEOID 20185	792 mi²	2.9 mi²	0.4%
48	Comanche CountyGEOID 20033	788.3 mi²	1.4 mi²	0.2%
49	Greeley CountyGEOID 20071	778.4 mi²	0 mi²	0%
50	Chase CountyGEOID 20017	773.1 mi²	4.7 mi²	0.6%
51	Pawnee CountyGEOID 20145	754.3 mi²	0.4 mi²	0.1%
52	Pratt CountyGEOID 20151	735 mi²	0.7 mi²	0.1%
53	Morton CountyGEOID 20129	729.7 mi²	0.2 mi²	0%
54	Stevens CountyGEOID 20189	727.4 mi²	0 mi²	0%
55	Rice CountyGEOID 20159	726.2 mi²	1.7 mi²	0.2%
56	Kiowa CountyGEOID 20097	722.6 mi²	0.2 mi²	0%
57	Ottawa CountyGEOID 20143	720.7 mi²	0.6 mi²	0.1%
58	Saline CountyGEOID 20169	720.2 mi²	1.1 mi²	0.1%
59	Lincoln CountyGEOID 20105	719.4 mi²	1.1 mi²	0.1%
60	Wichita CountyGEOID 20203	718.6 mi²	0 mi²	0%
61	Rush CountyGEOID 20165	717.8 mi²	0.2 mi²	0%
62	Scott CountyGEOID 20171	717.6 mi²	0.1 mi²	0%
63	Nemaha CountyGEOID 20131	717.4 mi²	2 mi²	0.3%
64	Lane CountyGEOID 20101	717.4 mi²	0.2 mi²	0%
65	Republic CountyGEOID 20157	717.4 mi²	3.1 mi²	0.4%
66	Ellsworth CountyGEOID 20053	715.6 mi²	7.7 mi²	1.1%
67	Cloud CountyGEOID 20029	715.3 mi²	2.6 mi²	0.4%
68	Osage CountyGEOID 20139	705.5 mi²	14.3 mi²	2%
69	Mitchell CountyGEOID 20123	701.8 mi²	17.4 mi²	2.4%
70	Morris CountyGEOID 20127	695.3 mi²	7.5 mi²	1.1%
71	Stanton CountyGEOID 20187	680.4 mi²	0.1 mi²	0%
72	Jackson CountyGEOID 20085	656.2 mi²	1.8 mi²	0.3%
73	Labette CountyGEOID 20099	645.4 mi²	7.7 mi²	1.2%
74	Clay CountyGEOID 20027	645.3 mi²	10.3 mi²	1.6%
75	Elk CountyGEOID 20049	644.3 mi²	6.2 mi²	1%
76	Montgomery CountyGEOID 20125	643.6 mi²	7.9 mi²	1.2%
77	Seward CountyGEOID 20175	639.7 mi²	0.8 mi²	0.1%
78	Chautauqua CountyGEOID 20019	638.9 mi²	5.9 mi²	0.9%
79	Bourbon CountyGEOID 20011	635.5 mi²	3.6 mi²	0.6%
80	Coffey CountyGEOID 20031	626.9 mi²	27.2 mi²	4.2%
81	Edwards CountyGEOID 20047	621.9 mi²	0.1 mi²	0%
82	Riley CountyGEOID 20161	609.7 mi²	12.4 mi²	2%
83	Linn CountyGEOID 20107	594.1 mi²	12.3 mi²	2%
84	Crawford CountyGEOID 20037	589.8 mi²	5.2 mi²	0.9%
85	Cherokee CountyGEOID 20021	587.6 mi²	3.5 mi²	0.6%
86	Anderson CountyGEOID 20003	579.6 mi²	4.1 mi²	0.7%
87	Haskell CountyGEOID 20081	577.5 mi²	0.4 mi²	0.1%
88	Miami CountyGEOID 20121	575.9 mi²	14.4 mi²	2.4%
89	Grant CountyGEOID 20067	574.8 mi²	0.3 mi²	0.1%
90	Franklin CountyGEOID 20059	571.8 mi²	5.4 mi²	0.9%
91	Neosho CountyGEOID 20133	571.5 mi²	6.3 mi²	1.1%
92	Brown CountyGEOID 20013	570.9 mi²	1.2 mi²	0.2%
93	Wilson CountyGEOID 20205	570.4 mi²	4.7 mi²	0.8%
94	Shawnee CountyGEOID 20177	544 mi²	11.7 mi²	2.1%
95	Harvey CountyGEOID 20079	539.8 mi²	1 mi²	0.2%
96	Jefferson CountyGEOID 20087	532.6 mi²	24.1 mi²	4.3%
97	Allen CountyGEOID 20001	500.3 mi²	5 mi²	1%
98	Woodson CountyGEOID 20207	497.8 mi²	7.4 mi²	1.5%
99	Johnson CountyGEOID 20091	473.6 mi²	6.3 mi²	1.3%
100	Leavenworth CountyGEOID 20103	463.4 mi²	5.5 mi²	1.2%
101	Douglas CountyGEOID 20045	455.8 mi²	18.9 mi²	4%
102	Atchison CountyGEOID 20005	431.2 mi²	2.6 mi²	0.6%
103	Doniphan CountyGEOID 20043	393.5 mi²	4.8 mi²	1.2%
104	Geary CountyGEOID 20061	384.7 mi²	19.9 mi²	4.9%
105	Wyandotte CountyGEOID 20209	151.6 mi²	4.6 mi²	2.9%

How to read this table. Land and water areas are Census statistical measurements in square miles. Adding county rows can differ slightly from separately published state totals because of rounding and geographic treatment.