Shiyonai (庄内町)

Town

Yamagata (山形) — 2025 — Based on Basic Resident Register

Total Population

19,144

-309 (-1.59%)

Young (0–14)

9.7%

1,849

Working Age (15–64)

51.4%

9,840

Aging Rate

38.9%

7,455

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	19,144	9,258	9,886
Young (0–14)	1,849	949	900
Working Age (15–64)	9,840	5,114	4,726
Elderly (65+)	7,455	3,195	4,260

Year	Total Population	0–14	15–64	65+	Aging Rate
2025	19,144	1,849	9,840	7,455	38.9%
2024	19,453	1,908	10,012	7,533	38.7%
2023	19,897	2,025	10,285	7,587	38.1%
2022	20,307	2,113	10,574	7,620	37.5%
2021	20,656	2,193	10,831	7,632	36.9%
2020	20,996	2,237	11,123	7,636	36.4%
2019	21,381	2,327	11,425	7,629	35.7%
2018	21,692	2,384	11,739	7,569	34.9%
2017	21,996	2,461	12,029	7,506	34.1%
2016	22,220	2,537	12,248	7,435	33.5%
2015	22,495	2,606	12,592	7,297	32.4%
2014	22,698	2,669	12,843	7,124	31.4%
2013	22,896	2,711	13,064	7,121	31.1%
2012	23,132	2,778	13,320	7,034	30.4%
2011	23,484	2,907	13,556	7,021	29.9%
2010	23,693	3,044	13,545	7,104	30.0%
2009	23,882	3,105	13,685	7,092	29.7%
2008	24,131	3,168	13,958	7,005	29.0%
2007	24,396	3,261	14,132	7,003	28.7%
2006	24,738	3,371	14,407	6,960	28.1%