Oiso (大磯町)

Town

Kanagawa (神奈川) — 2025 — Based on Basic Resident Register

Total Population

31,757

-297 (-0.93%)

Young (0–14)

10.4%

3,313

Working Age (15–64)

54.8%

17,398

Aging Rate

34.8%

11,046

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	31,757	15,514	16,243
Young (0–14)	3,313	1,706	1,607
Working Age (15–64)	17,398	8,912	8,486
Elderly (65+)	11,046	4,896	6,150

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	31,757	3,313	17,398	11,046	34.8%
2024	32,054	3,404	17,549	11,101	34.6%
2023	32,265	3,476	17,671	11,118	34.5%
2022	32,464	3,562	17,719	11,183	34.4%
2021	32,711	3,641	17,928	11,142	34.1%
2020	32,773	3,693	18,031	11,049	33.7%
2019	32,936	3,735	18,193	11,008	33.4%
2018	33,054	3,793	18,382	10,879	32.9%
2017	33,045	3,817	18,516	10,712	32.4%
2016	33,010	3,841	18,710	10,459	31.7%
2015	33,051	3,914	18,984	10,153	30.7%
2014	33,171	3,984	19,386	9,801	29.5%
2013	33,263	4,015	19,707	9,541	28.7%
2012	33,322	4,078	20,124	9,120	27.4%
2011	33,529	4,089	20,559	8,881	26.5%
2010	33,513	4,066	20,738	8,709	26.0%
2009	33,639	4,126	20,999	8,514	25.3%
2008	33,560	4,103	21,226	8,231	24.5%
2007	33,546	4,090	21,559	7,897	23.5%
2006	33,445	3,998	21,837	7,610	22.8%
2005	33,254	3,926	21,952	7,376	22.2%
2004	33,124	3,901	22,078	7,145	21.6%
2003	33,195	3,961	22,282	6,952	20.9%
2002	32,998	3,967	22,345	6,686	20.3%
2001	32,941	3,987	22,500	6,454	19.6%
2000	32,727	3,950	22,594	6,183	18.9%
1999	32,699	4,070	22,681	5,948	18.2%
1998	32,737	4,172	22,790	5,775	17.6%
1997	32,718	4,292	22,854	5,572	17.0%
1996	32,752	4,418	22,952	5,382	16.4%
1995	32,739	4,502	22,980	5,257	16.1%