opengov.jp

Shirosato (城里町)

Town

Ibaraki (茨城) — 2025 — Based on Basic Resident Register

Total Population

17,708

-371 (-2.05%)

Young (0–14)

7.8%

1,382

Working Age (15–64)

51.4%

9,108

Aging Rate

40.8%

7,218

Population Trends (2005–2025)

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

Breakdown by Sex (2025)

Category Total Male Female
Total 17,708 8,833 8,875
Young (0–14) 1,382 739 643
Working Age (15–64) 9,108 4,739 4,369
Elderly (65+) 7,218 3,355 3,863

Annual Trends

Year Total Population 0–14 15–64 65+ Aging Rate
2025 17,708 1,382 9,108 7,218
40.8%
2024 18,079 1,449 9,475 7,155
39.6%
2023 18,379 1,507 9,734 7,138
38.8%
2022 18,618 1,538 9,964 7,116
38.2%
2021 18,946 1,610 10,323 7,013
37.0%
2020 19,332 1,680 10,742 6,910
35.7%
2019 19,686 1,735 11,174 6,777
34.4%
2018 20,029 1,817 11,527 6,685
33.4%
2017 20,363 1,917 11,917 6,529
32.1%
2016 20,722 2,007 12,321 6,394
30.9%
2015 21,060 2,105 12,729 6,226
29.6%
2014 21,373 2,192 13,095 6,086
28.5%
2013 21,553 2,275 13,265 6,013
27.9%
2012 21,868 2,378 13,574 5,916
27.1%
2011 22,101 2,513 13,745 5,843
26.4%
2010 22,366 2,634 13,839 5,893
26.3%
2009 22,669 2,765 14,001 5,903
26.0%
2008 22,993 2,887 14,279 5,827
25.3%
2007 23,235 3,008 14,431 5,796
24.9%
2006 23,404 3,131 14,613 5,660
24.2%
2005 23,508 3,230 14,725 5,553
23.6%