Most densely populated municipalities

The 20 municipalities in Chiba Ken with the highest people per km², and the 20 with the lowest, out of 76 with a published figure.

	Municipality	Prefecture	Postal code	People per km²
1	Arakawa	Chiba Ken	299-5273	21,446.0 /km²
2	Kawasaki	Chiba Ken	289-1331	10,765.1 /km²
3	Urayasu	Chiba Ken	279-8516	9,812.1 /km²
4	Kita-ku	Chiba Ken	270-1545	8,723.0 /km²
5	Ichikawa	Chiba Ken	272-0145	8,629.6 /km²
6	Narashino	Chiba Ken	275-0028	8,344.8 /km²
7	Matsudo	Chiba Ken	270-2297	8,105.5 /km²
8	Toda	Chiba Ken	289-1204	7,825.8 /km²
9	Funabashi	Chiba Ken	273-8556	7,492.4 /km²
10	Sakae-ku	Chiba Ken	270-1500	6,460.2 /km²
11	Nagareyama	Chiba Ken	270-0137	5,671.0 /km²
12	Sakai	Chiba Ken	289-1615	5,502.3 /km²
13	Nishi-ku	Chiba Ken	270-1534	5,349.4 /km²
14	Kamagaya	Chiba Ken	273-0122	5,188.3 /km²
15	Yachiyo	Chiba Ken	276-0029	3,902.3 /km²
16	Kashiwa	Chiba Ken	277-0832	3,726.7 /km²
17	Abiko	Chiba Ken	270-1141	3,019.5 /km²
18	Yotsukaidō-shi	Chiba Ken	284-0023	2,700.8 /km²
19	Moriya	Chiba Ken	299-5244	1,932.0 /km²
20	Asahi	Chiba Ken	289-2525	1,848.1 /km²

Most sparsely populated municipalities

	Municipality	Prefecture	Postal code	People per km²
1	Ueno	Chiba Ken	299-5266	5.9 /km²
2	Ōdai-chō	Chiba Ken	289-1605	24.0 /km²
3	Matsuno	Chiba Ken	299-5211	38.9 /km²
4	Yamada	Chiba Ken	289-1606	54.7 /km²
5	Kuriyama	Chiba Ken	289-1733	56.3 /km²
6	Hirata	Chiba Ken	299-5221	62.3 /km²
7	Aso	Chiba Ken	270-1504	66.0 /km²
8	Kawazu	Chiba Ken	299-5232	66.4 /km²
9	Shika	Chiba Ken	270-1525	75.3 /km²
10	Nagi	Chiba Ken	299-5253	79.2 /km²
11	Niijima	Chiba Ken	289-1736	91.9 /km²
12	Mori	Chiba Ken	289-1214	129.4 /km²
13	Minamiboso	Chiba Ken	299-2225	154.1 /km²
14	Shibayama	Chiba Ken	289-1619	159.9 /km²
15	Sakata	Chiba Ken	289-1754	164.6 /km²
16	Kamogawa	Chiba Ken	296-0124	165.1 /km²
17	Awa	Chiba Ken	299-2100	180.9 /km²
18	Asakura	Chiba Ken	289-1607	199.6 /km²
19	Futtsu	Chiba Ken	299-1604	205.8 /km²
20	Haga	Chiba Ken	299-5213	211.4 /km²

Most densely 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.