South Iowa News

Of the 7,718 people living in Decatur County, Iowa in 2021, 49.3% (3,804) were women and 50.7% (3,914) were men, according to U.S. Census Bureau data obtained by South Iowa News.

Data showed the average age for men in Decatur County in 2021 was 38 years, lower than the national average of 40 for men.

According to census data, men aged 18 and over outnumbered women in the same age group by 174. Meanwhile, in the 65 and over group, there were 706 men and 842 women.

An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau's American Community Survey. Information from the survey helps to determine how federal and state funds are distributed. These funds significantly influence community services, education, and infrastructure in areas like Decatur County.

Age Range (Years)	Sex	Population in 2021	Population in 2020	Population in 2019	Change 2020-2021	Change 2019-2020
Under 5	Female	220	238	240	-7.6%	-0.8%
Under 5	Male	239	251	257	-4.8%	-2.3%
5 to 9	Female	215	210	265	2.4%	-20.8%
5 to 9	Male	280	238	259	17.6%	-8.1%
10 to 14	Female	237	238	219	-0.4%	8.7%
10 to 14	Male	225	262	212	-14.1%	23.6%
15 to 17	Female	134	135	135	-0.7%	0%
15 to 17	Male	134	140	148	-4.3%	-5.4%
18 and 19	Female	192	174	172	10.3%	1.2%
18 and 19	Male	242	215	221	12.6%	-2.7%
20	Female	106	119	130	-10.9%	-8.5%
20	Male	137	139	187	-1.4%	-25.7%
21	Female	65	73	102	-11%	-28.4%
21	Male	59	96	151	-38.5%	-36.4%
22 to 24	Female	224	237	220	-5.5%	7.7%
22 to 24	Male	298	308	221	-3.2%	39.4%
25 to 29	Female	173	175	176	-1.1%	-0.6%
25 to 29	Male	186	191	189	-2.6%	1.1%
30 to 34	Female	206	213	180	-3.3%	18.3%
30 to 34	Male	205	188	187	9%	0.5%
35 to 39	Female	200	217	242	-7.8%	-10.3%
35 to 39	Male	203	212	183	-4.2%	15.8%
40 to 44	Female	159	160	132	-0.6%	21.2%
40 to 44	Male	145	138	175	5.1%	-21.1%
45 to 49	Female	179	181	180	-1.1%	0.6%
45 to 49	Male	182	187	194	-2.7%	-3.6%
50 to 54	Female	177	188	208	-5.9%	-9.6%
50 to 54	Male	190	200	205	-5%	-2.4%
55 to 59	Female	238	264	275	-9.8%	-4%
55 to 59	Male	252	212	227	18.9%	-6.6%
60 and 61	Female	87	89	86	-2.2%	3.5%
60 and 61	Male	68	99	109	-31.3%	-9.2%
62 to 64	Female	150	142	163	5.6%	-12.9%
62 to 64	Male	163	175	162	-6.9%	8%
65 and 66	Female	99	102	89	-2.9%	14.6%
65 and 66	Male	122	126	119	-3.2%	5.9%
67 to 69	Female	94	101	106	-6.9%	-4.7%
67 to 69	Male	117	138	133	-15.2%	3.8%
70 to 74	Female	222	199	192	11.6%	3.6%
70 to 74	Male	181	155	148	16.8%	4.7%
75 to 79	Female	176	170	118	3.5%	44.1%
75 to 79	Male	160	151	152	6%	-0.7%
80 to 84	Female	109	150	171	-27.3%	-12.3%
80 to 84	Male	58	60	82	-3.3%	-26.8%
85 and over	Female	142	158	169	-10.1%	-6.5%
85 and over	Male	68	94	88	-27.7%	6.8%

Source: US Census Bureau