Montesano

County:: Grays Harbor County
County Seat:: Yes
Area (mi²):: 10.903
State:: Washington

Montesano is a city located in Grays Harbor County, Washington. Montesano has a 2025 population of 4,199. It is also the county seat of Grays Harbor County. Montesano is currently growing at a rate of 0.24% annually and its population has increased by 1.23% since the most recent census, which recorded a population of 4,148 in 2020.

The average household income in Montesano is $98,847 with a poverty rate of 3.06%. The median age in Montesano is 42.3 years: 34.3 years for males, and 45.3 years for females.

Demographics

The racial composition of Montesano includes 90.11% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,746	90.11%
Two or more races	307	7.39%
Other race	53	1.27%
Asian	36	0.87%
Black or African American	8	0.19%
Native American	7	0.17%
Native Hawaiian or Pacific Islander	0	0%

Montesano Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Montesano's average per capita income is $54,436. Household income levels show a median of $65,938. The poverty rate stands at 3.06%.

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	$81,500	-
Families	$78,884	$108,084
Households	$65,938	$98,847
Non Families	$60,875	$81,449

$54,436

Average Income

$65,938

Median Household Income

3.06%

Poverty Rate