Waterloo township Flag

Waterloo township

County:
DeKalb County
County Seat:
No
Area (mi²):
17.149
State:
Indiana

Waterloo township is located in DeKalb County, Indiana. Waterloo township has a 2026 population of 517. Waterloo township is currently declining at a rate of -0.58% annually and its population has decreased by -0.58% since the most recent census, which recorded a population of 520 in 2020.

The median household income in Waterloo township is $73,917 with a poverty rate of 11.05%. The median age in Waterloo township is 40.5 years: 25.9 years for males, and 44.3 years for females. For every 100 females there are 151.9 males.

517
Total Population
30
Density (mi²)
-3 -0.58%
Growth

Waterloo township Population

Waterloo township Population

Year ↓
Population
Growth
Annual Change
2026517-3-0.58%
2025520-3-0.57%
202452350.97%
2023518-1-0.19%
2022519-1-0.19%
202152000%
2020520-1-0.19%
201957510.17%
2018574-5-0.86%
2017579-2-0.34%
2016581-3-0.51%
2015584-2-0.34%
2014586-9-1.51%
2013595-5-0.83%
2012600-4-0.66%
2011604-3-0.49%
201060810.16%

Median Age

Overall: 40.5 years
Female: 44.3 years
Male: 25.9 years

Waterloo township Adults

There are 319 adults, (83 of whom are seniors) in Waterloo township.

Sex Ratio

Female: 158 (39.7%)
Male: 240 (60.3%)

Demographics

The racial composition of Waterloo township includes 98.74% White, and smaller percentages for Black or African American, Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White39398.74%
Black or African American41.01%
Two or more races10.25%
Race
Population ↓
Percentage (of total)
Two or more races10.25%
Race
Population ↓
Percentage (of total)
White39398.74%
Black or African American41.01%

Waterloo township Marital Status

Economics and Income Statistics

Waterloo township's average per capita income is $68,021. Household income levels show a median of $73,917. The poverty rate stands at 11.05%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Households$73,917$98,795
Married Families$72,750-
Families$54,583$79,739
Non Families-$115,070

$68,021

Average Income

$73,917

Median Household Income

11.05%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)