_id	年号	年	世帯数	人口
1	大正	9	1,756	11,275
2	""	14	-	11,639
3	昭和	5	-	12,917
4	""	10	-	13,967
5	""	15	2,422	15,386
6	""	22	-	18,228
7	""	25	3,177	19,539
8	""	30	3,473	20,636
9	""	35	3,940	20,826
10	""	40	4,454	20,507
11	""	45	4,711	19,944
12	""	50	4,841	18,878
13	""	55	5,006	18,577
14	""	60	4,996	18,327
15	平成	2	5,169	17,690
16	""	7	5,326	17,228
17	""	12	5,454	16,609
18	""	17	5,435	15,888
19	""	22	5,411	15,085
20	""	27	5,421	14,471
21	令和	2	5,236	13,426
22	""	""	""	""
23	十和田地区	""	""	""
24	年号	年	世帯数	人口
25	大正	9	2,801	15,446
26	""	14	-	13,966
27	昭和	5	-	14,110
28	""	10	-	14,330
29	""	15	2,498	14,726
30	""	22	-	18,038
31	""	25	3,153	18,289
32	""	30	3,304	18,888
33	""	35	3,680	19,196
34	""	40	3,844	17,697
35	""	45	3,905	16,238
36	""	50	3,958	15,622
37	""	55	3,960	15,270
38	""	60	3,968	14,734
39	平成	2	3,958	14,058
40	""	7	3,995	13,706
41	""	12	4,014	13,101
42	""	17	3,920	12,265
43	""	22	3,836	11,501
44	""	27	3,711	10,655
45	令和	2	3,534	9,641
46	""	""	""	""
47	尾去沢地区	""	""	""
48	年号	年	世帯数	人口
49	大正	9	1,066	5,690
50	""	14	-	4,889
51	昭和	5	-	5,446
52	""	10	-	5,966
53	""	15	1,225	6,597
54	""	22	-	9,234
55	""	25	1,998	10,322
56	""	30	2,138	11,012
57	""	35	2,242	10,544
58	""	40	2,295	9,771
59	""	45	1,717	6,299
60	""	50	1,467	4,946
61	""	55	1,398	4,568
62	""	60	1,419	4,523
63	平成	2	1,394	4,172
64	""	7	1,344	3,941
65	""	12	1,316	3,575
66	""	17	1,272	3,336
67	""	22	1,193	3,055
68	""	27	1,074	2,648
69	令和	2	967	2,245
70	""	""	""	""
71	八幡平地区	""	""	""
72	年号	年	世帯数	人口
73	大正	9	1,066	7,165
74	""	14	-	6,886
75	昭和	5	-	7,663
76	""	10	-	7,908
77	""	15	1,267	8,483
78	""	22	-	9,353
79	""	25	1,511	9,736
80	""	30	1,593	9,939
81	""	35	1,655	9,387
82	""	40	1,651	8,616
83	""	45	1,647	7,865
84	""	50	1,641	7,376
85	""	55	1,761	7,200
86	""	60	1,616	6,915
87	平成	2	1,555	6,487
88	""	7	1,580	6,309
89	""	12	1,531	5,859
90	""	17	1,460	5,264
91	""	22	1,423	4,832
92	""	27	1,302	4,264
93	令和	2	1,241	3,776
94	資料：国勢調査	""	""	""