Waterloo Times

Of the 132,393 people residing in Black Hawk County, IA in 2019, the median age was 35, according to U.S. Census Bureau data obtained by the Waterloo Times.

The largest number of people were in the 25 to 34 age bracket with the fewest number of people in the age bracket for people over the age of 84.

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.

Age	Estimated Number	% of overall Population
Under 5 years old	8,396	6.3
5 to 9 years old	8,025	6.1
10 to 14 years old	7,796	5.9
15 to 19 years old	9,461	7.1
20 to 24 years old	14,997	11.3
25 to 34 years old	17,231	13
35 to 44 years old	14,858	11.2
45 to 54 years old	14,157	10.7
55 to 64 years old	16,334	12.3
65 to 74 years old	11,805	8.9
75 to 84 years old	6,399	4.8
85 and older years old	2,934	2.2

Source: US Census Bureau