Waterloo Flag

Waterloo

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

Waterloo is located in DeKalb County, Indiana. Waterloo has a 2025 population of 524 . Waterloo is currently growing at a rate of 0.19% annually but its population has decreased by -0.19% since the most recent census, which recorded a population of 525 in 2020.

The average household income in Waterloo is $84,780 with a poverty rate of 4.95%. The median age in Waterloo is 33.4 years: 26 years for males, and 43.6 years for females. For every 100 females there are 107.6 males.

524
Total Population
31
Density (mi²)
1 0.19%
Growth

Waterloo Population

Waterloo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Waterloo includes 98.7% White, and smaller percentages for Black or African American, Two or more races and multiracial populations.

Population by Race

White (98.7%)

Black or African American (1.04%)

Two or more races (0.26%)

Race
Population
Percentage (of total)
White37998.7%
Black or African American41.04%
Two or more races10.26%

Waterloo Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Waterloo's average per capita income is $57,292. Household income levels show a median of $72,167. The poverty rate stands at 4.95%.

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
Married Families$75,625-
Households$72,167$84,780
Families$70,917$77,549
Non Families--

$57,292

Average Income

$72,167

Median Household Income

4.95%

Poverty Rate

Nearby Cities

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)