Most populated municipalities

The 20 municipalities in Kumamoto Ken with the most residents, and the 20 with the fewest, out of 51 with a published figure.

	Municipality	Prefecture	Postal code	Residents
1	Kumamoto Prefecture	Kumamoto Ken	861-4116	1,732,644
2	Nagasaki Prefecture	Kumamoto Ken	861-3908	1,307,309
3	Sakai	Kumamoto Ken	861-4723	824,408
4	Kawaguchi	Kumamoto Ken	861-3813	593,900
5	Kashiwa	Kumamoto Ken	861-3923	427,603
6	Yamato	Kumamoto Ken	861-3500	239,146
7	Hirosaki	Kumamoto Ken	861-2236	167,803
8	Kariya	Kumamoto Ken	861-3841	153,178
9	Ise	Kumamoto Ken	861-3937	122,432
10	Yatsushiro	Kumamoto Ken	866-8555	122,134
11	Nagata-ku	Kumamoto Ken	861-3545	109,702
12	Shimada	Kumamoto Ken	861-2224	95,198
13	Amakusa	Kumamoto Ken	863-0050	74,861
14	Kashima	Kumamoto Ken	861-3100	67,001
15	Tamana	Kumamoto Ken	865-0055	64,206
16	Kōshi-shi	Kumamoto Ken	861-1113	61,997
17	Koga	Kumamoto Ken	861-4737	59,349
18	Uki	Kumamoto Ken	869-0598	57,096
19	Naka	Kumamoto Ken	861-4417	53,035
20	Arao	Kumamoto Ken	864-0033	50,570

Least populated municipalities

	Municipality	Prefecture	Postal code	Residents
1	Ueno	Kumamoto Ken	861-3322	1,065
2	Kuma	Kumamoto Ken	868-0593	3,043
3	Toyotomi	Kumamoto Ken	861-4705	3,823
4	Shimoichi	Kumamoto Ken	861-3513	4,712
5	Ohira	Kumamoto Ken	861-3811	5,739
6	Hirata	Kumamoto Ken	861-2212	5,822
7	Kamijima	Kumamoto Ken	861-3192	6,304
8	Hara	Kumamoto Ken	861-3453	7,739
9	Itoda	Kumamoto Ken	861-3242	8,469
10	Misato	Kumamoto Ken	861-4700	9,045
11	Kōsa-machi	Kumamoto Ken	861-4600	9,963
12	Nakayama	Kumamoto Ken	861-4614	10,617
13	Yamada	Kumamoto Ken	861-3547	14,388
14	Ashikita	Kumamoto Ken	869-5563	15,621
15	Mifune	Kumamoto Ken	861-3207	16,468
16	Kiyama	Kumamoto Ken	861-2242	17,455
17	Minamata	Kumamoto Ken	867-0046	23,155
18	Kamiamakusa	Kumamoto Ken	866-0203	23,973
19	Oga	Kumamoto Ken	861-4634	24,690
20	Aso	Kumamoto Ken	869-2305	24,820

Most populated municipalities — All of Japan

One row per municipalities. The figures are published by municipality, so every postal code inside one shares them; the postal code shown is one of that municipality's.