Miami County, Ohio Cities (2025)

31 cities

City	Rank	2025 Pop. ↓	2020 Pop.	Change	Density	Area (mi²)	Type
Concord township	1	32,446	31,486	0.61%	903	35.95	Township
Troy	2	27,163	26,375	0.59%	2,211	12.29	City
Piqua	3	20,973	20,408	0.54%	1,617	12.97	City
Tipp City	4	10,608	10,297	0.59%	1,320	8.04	City
Union township	5	9,892	9,589	0.62%	209	47.41	Township
Troy township	6	7,096	7,117	-0.1%	320	22.20	Township
Union	7	7,003	6,867	0.39%	844	8.30	City
Newberry township	8	6,600	6,406	0.61%	156	42.37	Township
West Milton	9	4,869	4,708	0.66%	1,436	3.39	Village
Troy township	10	4,162	4,103	0.31%	140	29.75	Township
Newton township	11	3,614	3,512	0.58%	87	41.70	Township
Troy township	12	2,784	2,777	0%	111	25.05	Township
Covington	13	2,627	2,554	0.57%	1,916	1.37	Village
Staunton township	14	2,502	2,426	0.64%	96	26.12	Township
Troy township	15	2,444	2,113	2.73%	105	23.33	Township
Troy township	16	2,433	2,485	-0.37%	67	36.19	Township
Springcreek township	17	2,226	2,161	0.63%	100	22.22	Township
Bradford	18	1,800	1,792	0.11%	2,158	0.83	Village
Elizabeth township	19	1,708	1,663	0.53%	57	29.93	Township
Lostcreek township	20	1,658	1,610	0.55%	55	30.02	Township
Brown township	21	1,647	1,601	0.55%	54	30.24	Township
Washington township	22	1,527	1,480	0.66%	73	21.04	Township
Pleasant Hill	23	1,271	1,235	0.55%	2,021	0.63	Village
Troy township	24	1,240	1,189	1.06%	87	14.31	Township
Troy township	25	1,111	1,100	0.63%	66	16.78	Township
Fletcher	26	461	453	0.44%	1,482	0.31	Village
Laura	27	415	399	0.73%	1,549	0.27	Village
Casstown	28	274	266	0.74%	2,825	0.10	Village
Potsdam	29	220	224	-0.45%	493	0.45	Village
Ludlow Falls	30	178	173	0.56%	994	0.18	Village
Lockington	31	155	160	-0.64%	1,845	0.08	Village

Miami County Cities Summary

Concord township is the largest city in Miami County, with a population of 32,446.