Waterloo township Flag

Waterloo township

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

Waterloo township is located in Lyon County, Kansas. Waterloo township has a 2026 population of 250. Waterloo township is currently growing at a rate of 1.63% annually and its population has increased by 6.84% since the most recent census, which recorded a population of 234 in 2020.

The median age in Waterloo township is 66.2 years: 61.4 years for males, and 68.8 years for females. For every 100 females there are 129.5 males.

250
Total Population
4.2
Density (mi²)
4 1.63%
Growth

Waterloo township Population

Waterloo township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202625041.63%
202524641.65%
202424241.68%
202323841.71%
2022234-2-0.85%
202123620.85%
2020234-1-0.43%
201928220.71%
2018280-1-0.36%
2017281-1-0.35%
201628200%
201528210.36%
2014281-3-1.06%
201328420.71%
2012282-1-0.35%
2011283-1-0.35%
2010283-1-0.35%

Median Age

Overall: 66.2 years
Female: 68.8 years
Male: 61.4 years

Waterloo township Adults

There are 123 adults, (71 of whom are seniors) in Waterloo township.

Sex Ratio

Female: 61 (43.6%)
Male: 79 (56.4%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White140100%
Race
Population ↓
Percentage (of total)
White140100%

Waterloo township Marital Status

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)