North Plains Flag

North Plains

County Seat:
No
Area (mi²):
1.09
State:
Oregon

North Plains is a city located in Washington County, Oregon. North Plains has a 2025 population of 3,419 . North Plains is currently declining at a rate of -0.15% annually and its population has decreased by -0.7% since the most recent census, which recorded a population of 3,443 in 2020.

The average household income in North Plains is $125,504 with a poverty rate of 4.33%. The median age in North Plains is 35.3 years: 35.3 years for males, and 35.1 years for females. For every 100 females there are 103.2 males.

3.4K
Total Population
3,136
Density (mi²)
-5 -0.15%
Growth

North Plains Population

North Plains Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of North Plains includes 65.81% White, 18.13% Asian, 6.72% Black or African American, and smaller percentages for other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White (65.81%)

Asian (18.13%)

Two or more races (6.98%)

Black or African American (6.72%)

Other race (1.24%)

Native Hawaiian or Pacific Islander (0.77%)

Native American (0.35%)

Race
Population
Percentage (of total)
White2,23365.81%
Asian61518.13%
Two or more races2376.98%
Black or African American2286.72%
Other race421.24%
Native Hawaiian or Pacific Islander260.77%
Native American120.35%

North Plains Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

North Plains' average per capita income is $73,719. Household income levels show a median of $108,618. The poverty rate stands at 4.33%.

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$163,935-
Families$148,824$155,500
Households$108,618$125,504
Non Families-$62,169

$73,719

Average Income

$108,618

Median Household Income

4.33%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)