Rainier

County:: Columbia County
County Seat:: No
Area (mi²):: 4.081
State:: Oregon

Rainier is a city located in Columbia County, Oregon. Rainier has a 2025 population of 1,938. Rainier is currently growing at a rate of 0.31% annually and its population has increased by 1.57% since the most recent census, which recorded a population of 1,908 in 2020.

The average household income in Rainier is $75,973 with a poverty rate of 21.41%. The median age in Rainier is 36.6 years: 36.3 years for males, and 36.8 years for females.

Demographics

The racial composition of Rainier includes 86.39% White, 3.01% Native American, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	1,606	86.39%
Two or more races	161	8.66%
Native American	56	3.01%
Black or African American	21	1.13%
Asian	15	0.81%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Rainier Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rainier's average per capita income is $45,887. Household income levels show a median of $62,847. The poverty rate stands at 21.41%.

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	$108,482	-
Families	$68,702	$86,903
Households	$62,847	$75,973
Non Families	$44,797	$58,923

$45,887

Average Income

$62,847

Median Household Income

21.41%

Poverty Rate