Sumita (住田町)

Town

Iwate (岩手) — 2025 — Based on Basic Resident Register

Total Population

4,681

-136 (-2.82%)

Young (0–14)

6.4%

300

Working Age (15–64)

45.0%

2,108

Aging Rate

48.6%

2,273

Population Trends (1995–2025)

* Data before 2012 includes Japanese residents only (foreign residents were added to the Basic Resident Register in July 2012)

Category	Total	Male	Female
Total	4,681	2,316	2,365
Young (0–14)	300	162	138
Working Age (15–64)	2,108	1,169	939
Elderly (65+)	2,273	985	1,288

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	4,681	300	2,108	2,273	48.6%
2024	4,817	321	2,210	2,286	47.5%
2023	4,906	346	2,241	2,319	47.3%
2022	5,050	372	2,343	2,335	46.2%
2021	5,225	376	2,478	2,371	45.4%
2020	5,384	412	2,590	2,382	44.2%
2019	5,515	426	2,692	2,397	43.5%
2018	5,652	440	2,812	2,400	42.5%
2017	5,842	463	2,957	2,422	41.5%
2016	5,885	474	2,993	2,418	41.1%
2015	6,037	504	3,133	2,400	39.8%
2014	6,127	523	3,205	2,399	39.2%
2013	6,182	546	3,216	2,420	39.1%
2012	6,262	574	3,282	2,406	38.4%
2011	6,294	576	3,303	2,415	38.4%
2010	6,376	586	3,334	2,456	38.5%
2009	6,478	600	3,415	2,463	38.0%
2008	6,577	616	3,455	2,506	38.1%
2007	6,697	640	3,523	2,534	37.8%
2006	6,884	676	3,656	2,552	37.1%
2005	6,994	698	3,767	2,529	36.2%
2004	7,124	743	3,844	2,537	35.6%
2003	7,212	789	3,901	2,522	35.0%
2002	7,315	822	3,993	2,500	34.2%
2001	7,411	849	4,079	2,483	33.5%
2000	7,451	890	4,126	2,435	32.7%
1999	7,616	947	4,295	2,374	31.2%
1998	7,685	998	4,363	2,324	30.2%
1997	7,800	1,063	4,445	2,292	29.4%
1996	7,899	1,095	4,569	2,235	28.3%
1995	7,972	1,131	4,700	2,141	26.9%