Waterville

County:: Douglas County
County Seat:: Yes
Area (mi²):: 0.865
State:: Washington

Waterville is a town located in Douglas County, Washington. Waterville has a 2025 population of 1,127. It is also the county seat of Douglas County. Waterville is currently declining at a rate of 0% annually and its population has decreased by -0.18% since the most recent census, which recorded a population of 1,129 in 2020.

The average household income in Waterville is $88,393 with a poverty rate of 6.8%. The median age in Waterville is 48 years: 43.7 years for males, and 51.4 years for females.

Demographics

The racial composition of Waterville includes 73.69% White, 13.23% other race, and smaller percentages for Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Native American

Asian

Black or African American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	997	73.69%
Other race	179	13.23%
Two or more races	139	10.27%
Native American	29	2.14%
Asian	6	0.44%
Black or African American	3	0.22%
Native Hawaiian or Pacific Islander	0	0%

Waterville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Waterville's average per capita income is $45,373. Household income levels show a median of $75,854. The poverty rate stands at 6.8%.

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	$92,604	-
Families	$77,267	$103,300
Households	$75,854	$88,393
Non Families	$48,750	$48,177

$45,373

Average Income

$75,854

Median Household Income

6.8%

Poverty Rate