Johnson County, Kansas Cities (2025)

28 cities

City	Rank	2025 Pop. ↓	2020 Pop.	Change	Density	Area (mi²)	Type
Overland Park	1	196,659	197,734	-0.11%	2,615	75.22	City
Olathe	2	151,377	141,586	1.31%	2,424	62.45	City
Shawnee	3	70,731	67,446	0.94%	1,685	41.98	City
Lenexa	4	59,194	57,548	0.56%	1,737	34.07	City
Leawood	5	34,040	33,890	0.09%	2,253	15.11	City
Gardner	6	26,685	23,417	2.51%	2,184	12.22	City
Prairie Village	7	22,856	22,966	-0.1%	3,680	6.21	City
Spring Hill	8	10,744	8,106	5.17%	1,149	9.35	City
Merriam	9	10,709	11,123	-0.77%	2,481	4.32	City
Mission township	10	10,188	10,063	0.51%	361	28.20	Township
Mission	11	10,058	9,948	0.22%	3,770	2.67	City
De Soto	12	6,798	6,150	1.95%	604	11.26	City
Roeland Park	13	6,609	6,866	-0.77%	4,080	1.62	City
Aubry township	14	4,683	4,659	0.04%	141	33.13	Township
Fairway	15	4,150	4,169	-0.1%	3,676	1.13	City
Mission Hills	16	3,482	3,589	-0.6%	1,709	2.04	City
Gardner township	17	2,557	2,547	0.08%	96	26.71	Township
Spring Hill township	18	2,008	1,994	0.15%	92	21.91	Township
Westwood	19	1,703	1,748	-0.53%	4,144	0.41	City
Edgerton	20	1,693	1,755	-0.7%	199	8.51	City
Lexington township	21	1,501	1,499	-0.07%	29	51.18	Township
McCamish township	22	997	993	0%	25	40.01	Township
Olathe township	23	901	899	0%	94	9.55	Township
Mission township	24	866	888	-0.12%	19	46.01	Township
Mission township	25	534	564	-1.48%	6	84.59	Township
Shawnee township	26	501	506	0.2%	14	34.86	Township
Westwood Hills	27	391	401	-0.51%	6,109	0.06	City
Mission Woods	28	194	201	-0.51%	2,180	0.09	City

Johnson County Cities Summary

Overland Park is the largest city in Johnson County, with a population of 196,659.