Iizuna (飯綱町)

Town

Nagano (長野) — 2025 — Based on Basic Resident Register

Total Population

10,274

-90 (-0.87%)

Young (0–14)

9.5%

977

Working Age (15–64)

49.6%

5,092

Aging Rate

40.9%

4,205

Population Trends (2006–2025)

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

Category	Total	Male	Female
Total	10,274	5,070	5,204
Young (0–14)	977	490	487
Working Age (15–64)	5,092	2,634	2,458
Elderly (65+)	4,205	1,946	2,259

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	10,274	977	5,092	4,205	40.9%
2024	10,364	983	5,171	4,210	40.6%
2023	10,534	1,014	5,293	4,227	40.1%
2022	10,713	1,034	5,426	4,253	39.7%
2021	10,854	1,042	5,562	4,250	39.2%
2020	11,016	1,046	5,739	4,231	38.4%
2019	11,179	1,080	5,896	4,203	37.6%
2018	11,326	1,092	6,098	4,136	36.5%
2017	11,551	1,131	6,302	4,118	35.7%
2016	11,693	1,171	6,476	4,046	34.6%
2015	11,857	1,226	6,646	3,985	33.6%
2014	12,028	1,246	6,920	3,862	32.1%
2013	12,100	1,282	7,027	3,791	31.3%
2012	12,170	1,283	7,245	3,642	29.9%
2011	12,371	1,349	7,420	3,602	29.1%
2010	12,540	1,409	7,491	3,640	29.0%
2009	12,698	1,449	7,641	3,608	28.4%
2008	12,766	1,489	7,699	3,578	28.0%
2007	13,007	1,562	7,911	3,534	27.2%
2006	13,074	1,574	8,022	3,478	26.6%