Most populated municipalities

The 20 municipalities in Gumma Ken with the most residents, and the 20 with the fewest, out of 37 with a published figure.

	Municipality	Prefecture	Postal code	Residents
1	Ota	Gumma Ken	373-0054	737,187
2	Takasaki	Gumma Ken	370-0873	372,639
3	Otsu	Gumma Ken	377-1308	342,607
4	Maebashi	Gumma Ken	371-0833	331,849
5	Nagaoka	Gumma Ken	370-3501	265,868
6	Isesaki	Gumma Ken	372-0057	210,332
7	Kusatsu	Gumma Ken	377-1711	143,230
8	Iizuka	Gumma Ken	370-1102	126,136
9	Mishima	Gumma Ken	377-0813	107,416
10	Kiryū	Gumma Ken	376-0054	105,751
11	Takayama	Gumma Ken	377-0700	85,199
12	Tatebayashi	Gumma Ken	374-0046	73,991
13	Shibukawa	Gumma Ken	377-0294	73,064
14	Fujioka	Gumma Ken	375-0034	62,608
15	Annaka	Gumma Ken	379-0135	54,607
16	Midori	Gumma Ken	376-0303	49,190
17	Tomioka	Gumma Ken	370-2393	46,928
18	Shima	Gumma Ken	377-0601	45,834
19	Numata	Gumma Ken	378-0063	45,132
20	Akaiwa	Gumma Ken	377-1311	42,341

Least populated municipalities

	Municipality	Prefecture	Postal code	Residents
1	Mihara	Gumma Ken	377-1526	1,387
2	Tano	Gumma Ken	370-1600	2,509
3	Naganohara	Gumma Ken	377-1304	5,026
4	Goka	Gumma Ken	370-1128	8,125
5	Tsumagoi	Gumma Ken	377-1500	9,066
6	Nakayama	Gumma Ken	377-0702	10,617
7	Higashiagatsuma	Gumma Ken	377-0800	12,356
8	Kanra	Gumma Ken	370-2613	12,567
9	Fujikawa	Gumma Ken	370-1101	14,004
10	Shintō-mura	Gumma Ken	370-3500	14,193
11	Tone	Gumma Ken	379-1305	15,035
12	Nakanojō	Gumma Ken	377-0400	15,186
13	Kawai	Gumma Ken	370-1117	16,983
14	Yoshioka	Gumma Ken	370-3600	21,824
15	Uenohara	Gumma Ken	370-3505	22,557
16	Ōra-machi	Gumma Ken	370-0701	25,623
17	Tamamura	Gumma Ken	370-1100	36,041
18	Akaiwa	Gumma Ken	377-1311	42,341
19	Numata	Gumma Ken	378-0063	45,132
20	Shima	Gumma Ken	377-0601	45,834

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.