Waterloo, IA Demographics

The total population of Waterloo is estimated to be 67,256 with 33,483 males (49.78%) and 33,773 females (50.22%). There are 290 more females than males in Waterloo.
The median household income in Waterloo was $53,429 in 2021, which marked an an increase of 237(0.45%) from $53,192 in 2020. This income is 71.61% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Waterloo sees its highest median household income among householders in the age group of 25 to 44 years old, at $71,004. Overall, the median household income for the city of Waterloo stands at $52,888.
In Waterloo, the median income for all workers aged 15 years and older, regardless of work hours, was $39,280 for males and $24,258 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $49,595 for males and $44,954 for females.
In Waterloo, the demographic landscape is diverse, spanning 5 distinct racial categories among households. Among these, American Indian and Alaska Native households have the highest median household income at $97,871, while Black or African American households represent the opposite end with the lowest median household income of $24,834.
In 2022, the population of Waterloo was 66,562, a 0.52% decrease year-by-year from 2021. Previously, in 2021, Waterloo's population was 66,912, a decline of 0.53% compared to a population of 67,269 in 2020.
The median age in Waterloo, IA is 36.8, as per 2021 ACS 5-Year Estimates. Of the total population, 19.89% were under the age of 15, 20.69% aged 15 to 29, 43.12% aged 30 to 64, 14.17% aged 65 to 84, and 2.14% were 85 years of age and older.
Racial distribution of Waterloo population: 72.42% are White, 17.32% are Black or African American, 0.29% are American Indian and Alaska Native, 2.52% are Asian, 0.47% are Native Hawaiian and other Pacific Islander, 2.43% are some other race and 4.55% are multiracial.