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Waterloo (IA) Streets, Geographical, Population & More

Population of Waterloo, Iowa

The population of Waterloo, IA in 2022 is estimated to be 67,096. This is a decrease of -0.16% (-109 people) compared to the population in 2021.

2021 and 2022 population is estimated by projecting the 2019 numbers.

Year	Population	Growth	Growth Rate

Population by Race

Race	Population	Percentage

Waterloo Population Pyramid 2022

Waterloo Median Age

36.7

Total

35.5

Male

Female

Waterloo Sex Ratio

49.59%

33,560

Male

50.41%

34,111

Female

Waterloo Age Dependency Ratio

26.5

Old Age Dependency Ratio

38.4

Child Dependency Ratio

Waterloo Adults

51,921

Adults

There are 51,921 adults, (10,875 of whom are seniors) in Waterloo.

Population of Waterloo by Year

Year	Population	Growth	Annual Growth Rate

Home > States > Iowa > Waterloo

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