Waterloo Times

Of the 131,396 people living in Black Hawk County, Iowa in 2021, 50.6% (66,521) were women and 49.4% (64,875) were men, according to U.S. Census Bureau data obtained by Waterloo Times.

Data showed the average age for women in Black Hawk County in 2021 was 36 years, lower than the national average of 40 for women.

According to census data, women aged 18 and over outnumbered men in the same age group by 73. Meanwhile, in the 65 and over group, there were 9,814 men and 11,896 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 Black Hawk County.

Age Range (Years)	Sex	Population in 2021	Population in 2020	Population in 2019	Change 2020-2021	Change 2019-2020
Under 5	Female	4,046	4,158	4,081	-2.7%	1.9%
Under 5	Male	4,126	4,142	4,315	-0.4%	-4%
5 to 9	Female	3,691	3,673	3,815	0.5%	-3.7%
5 to 9	Male	4,243	4,325	4,210	-1.9%	2.7%
10 to 14	Female	4,112	4,029	3,893	2.1%	3.5%
10 to 14	Male	3,982	3,741	3,903	6.4%	-4.2%
15 to 17	Female	2,318	2,252	2,224	2.9%	1.3%
15 to 17	Male	2,325	2,242	2,244	3.7%	> -0.1%
18 and 19	Female	2,475	2,559	2,767	-3.3%	-7.5%
18 and 19	Male	2,062	2,043	2,226	0.9%	-8.2%
20	Female	2,381	2,506	2,313	-5%	8.3%
20	Male	1,402	1,480	1,605	-5.3%	-7.8%
21	Female	1,903	1,878	2,137	1.3%	-12.1%
21	Male	1,527	1,482	1,391	3%	6.5%
22 to 24	Female	2,984	3,140	3,192	-5%	-1.6%
22 to 24	Male	4,160	4,393	4,359	-5.3%	0.8%
25 to 29	Female	4,441	4,389	4,325	1.2%	1.5%
25 to 29	Male	4,764	4,866	4,851	-2.1%	0.3%
30 to 34	Female	3,752	3,863	3,863	-2.9%	0%
30 to 34	Male	3,947	4,024	4,192	-1.9%	-4%
35 to 39	Female	4,284	4,201	4,180	2%	0.5%
35 to 39	Male	4,288	4,185	4,234	2.5%	-1.2%
40 to 44	Female	3,262	3,139	3,256	3.9%	-3.6%
40 to 44	Male	3,556	3,422	3,188	3.9%	7.3%
45 to 49	Female	3,396	3,440	3,459	-1.3%	-0.5%
45 to 49	Male	3,535	3,463	3,503	2.1%	-1.1%
50 to 54	Female	3,399	3,486	3,608	-2.5%	-3.4%
50 to 54	Male	3,460	3,462	3,587	> -0.1%	-3.5%
55 to 59	Female	3,739	3,894	4,277	-4%	-9%
55 to 59	Male	3,740	3,727	3,777	0.3%	-1.3%
60 and 61	Female	1,545	1,527	1,426	1.2%	7.1%
60 and 61	Male	1,540	1,416	1,683	8.8%	-15.9%
62 to 64	Female	2,897	2,955	2,755	-2%	7.3%
62 to 64	Male	2,404	2,581	2,416	-6.9%	6.8%
65 and 66	Female	1,456	1,542	1,572	-5.6%	-1.9%
65 and 66	Male	1,440	1,445	1,336	-0.3%	8.2%
67 to 69	Female	2,028	1,859	1,765	9.1%	5.3%
67 to 69	Male	2,116	2,154	1,906	-1.8%	13%
70 to 74	Female	3,169	3,025	2,796	4.8%	8.2%
70 to 74	Male	2,602	2,330	2,430	11.7%	-4.1%
75 to 79	Female	2,072	2,302	2,202	-10%	4.5%
75 to 79	Male	1,798	1,764	1,810	1.9%	-2.5%
80 to 84	Female	1,449	1,502	1,460	-3.5%	2.9%
80 to 84	Male	992	1,069	927	-7.2%	15.3%
85 and over	Female	1,722	1,779	1,940	-3.2%	-8.3%
85 and over	Male	866	959	994	-9.7%	-3.5%

Source: US Census Bureau