Grand Mound

County:: Lewis County
County Seat:: No
Area (mi²):: 4.15
State:: Washington

Grand Mound is a CDP located in Lewis County, Washington. Grand Mound has a 2025 population of 3,557. Grand Mound is currently growing at a rate of 1.08% annually but its population has decreased by -10.11% since the most recent census, which recorded a population of 3,957 in 2020.

The average household income in Grand Mound is $81,209 with a poverty rate of 8.43%. The median age in Grand Mound is 33.2 years: 31 years for males, and 35.2 years for females.

Demographics

The racial composition of Grand Mound includes 65.18% White, 21.58% other race, 3.93% Native American, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	2,419	65.18%
Other race	801	21.58%
Two or more races	301	8.11%
Native American	146	3.93%
Black or African American	24	0.65%
Asian	20	0.54%
Native Hawaiian or Pacific Islander	0	0%

Grand Mound Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grand Mound's average per capita income is $46,452. Household income levels show a median of $77,000. The poverty rate stands at 8.43%.

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	$95,544	-
Families	$84,231	$86,613
Households	$77,000	$81,209
Non Families	$55,677	$66,034

$46,452

Average Income

$77,000

Median Household Income

8.43%

Poverty Rate