Waterloo Flag

Waterloo

County:
Lyon County
County Seat:
No
Area (mi²):
59.17
State:
Kansas

Waterloo is located in Lyon County, Kansas. Waterloo has a 2025 population of 246 . Waterloo is currently growing at a rate of 1.65% annually and its population has increased by 5.13% since the most recent census, which recorded a population of 234 in 2020.

The average household income in Waterloo is $98,587 with a poverty rate of 4.08%. The median age in Waterloo is 62 years: 61.2 years for males, and 68.7 years for females. For every 100 females there are 157.9 males.

246
Total Population
4
Density (mi²)
4 1.65%
Growth

Waterloo Population

Waterloo Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Waterloo includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White147100%

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 $57,813. Household income levels show a median of $0. The poverty rate stands at 4.08%.

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$118,977-
Families$117,614$118,573
Households-$98,587
Non Families-$34,881

$57,813

Average Income

$0

Median Household Income

4.08%

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)