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 and multiracial populations.

Population by 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%

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