_id	18歳未満の有無	18歳未満がいない世帯	18歳未満がいる世帯	総合計
1	年度	世帯数	世帯数	世帯数
2	2000	12,636	6,086	18,722
3	2001	12,865	5,923	18,788
4	2002	13,210	5,825	19,035
5	2003	13,559	5,783	19,342
6	2004	13,882	5,746	19,628
7	2005	14,394	5,677	20,071
8	2006	14,829	5,681	20,510
9	2007	15,216	5,689	20,905
10	2008	15,440	5,723	21,163
11	2009	15,634	5,694	21,328
12	2010	15,982	5,591	21,573
13	2011	16,174	5,573	21,747
14	2012	16,657	5,523	22,180
15	2013	16,945	5,456	22,401
16	2014	17,481	5,453	22,934
17	2015	17,738	5,485	23,223
18	2016	18,175	5,426	23,601
19	2017	18,776	5,304	24,080
20	2018	19,270	5,220	24,490
21	2019	19,807	5,181	24,988
22	2020	20,099	5,093	25,192
23	2021	20,280	5,062	25,342
24	2022	20,864	5,041	25,905
25	2023	21,335	4,941	26,276
26	2024	21,669	4,835	26,504
27	2025	22,027	4,664	26,691
28	総合計	444,944	141,675	586,619