Waterville Flag

Waterville

County:
Marshall County
County Seat:
No
Area (mi²):
0.492
State:
Kansas

Waterville is a city located in Marshall County, Kansas. Waterville has a 2025 population of 646. Waterville is currently declining at a rate of -0.46% annually and its population has decreased by -2.12% since the most recent census, which recorded a population of 660 in 2020.

The average household income in Waterville is $73,762 with a poverty rate of 3.88%.The median age in Waterville is 43.6 years: 46.2 years for males, and 43.2 years for females.

646
Total Population
1,314
Density (mi²)
-3 -0.46%
Growth

Waterville Population

Waterville Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Waterville includes 89.71% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White67189.71%
Two or more races587.75%
Other race192.54%

Waterville Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Waterville's average per capita income is $35,750. Household income levels show a median of $70,625. The poverty rate stands at 3.88%.

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$76,557-
Families$76,134$86,738
Households$70,625$73,762
Non Families$29,821$41,823

$35,750

Average Income

$70,625

Median Household Income

3.88%

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)