Waterloo is a town located in DeKalb County, Indiana. Waterloo has a 2026 population of 2,179. Waterloo is currently growing at a rate of 0.51% annually and its population has increased by 3.17% since the most recent census, which recorded a population of 2,112 in 2020.
The median household income in Waterloo is $67,083 with a poverty rate of 12.53%. The median age in Waterloo is 35.3 years: 36 years for males, and 35 years for females. For every 100 females there are 97.4 males.
Data after 2023 is projected based on recent change
Overall: 35.3 years
Female: 35 years
Male: 36 years
There are 1,538 adults, (173 of whom are seniors) in Waterloo.
Female: 1,050 (50.7%)
Male: 1,023 (49.3%)
The racial composition of Waterloo includes 87.84% White, and smaller percentages for other race, Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,821 | 87.84% |
| Two or more races | 203 | 9.79% |
| Other race | 32 | 1.54% |
| Black or African American | 10 | 0.48% |
| Asian | 7 | 0.34% |
Waterloo 's average per capita income is $40,710. Household income levels show a median of $67,083. The poverty rate stands at 12.53%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $78,750 | - |
| Families | $69,432 | $72,969 |
| Households | $67,083 | $71,382 |
| Non Families | $54,167 | $60,811 |
Average Income
Median Household Income
Poverty Rate