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 2026 population of 3,414. North Plains is currently declining at a rate of -0.15% annually and its population has decreased by -0.84% since the most recent census, which recorded a population of 3,443 in 2020.

The median household income in North Plains is $117,639 with a poverty rate of 2.85%. The median age in North Plains is 36.3 years: 36.7 years for males, and 34.5 years for females. For every 100 females there are 83.7 males.

3.4K
Total Population
3,132
Density (mi²)
-5 -0.15%
Growth

North Plains Population

North Plains Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,414-5-0.15%
20253,419-5-0.15%
20243,424200.59%
20233,40440.12%
20223,400-33-0.96%
20213,433-10-0.29%
20203,44310.03%
20192,197110.5%
20182,186130.6%
20172,173241.12%
20162,149472.24%
20152,102452.19%
20142,057261.28%
20132,031110.54%
20122,020271.35%
20111,993462.36%
20101,95970.36%

Median Age

Overall: 36.3 years
Female: 34.5 years
Male: 36.7 years

North Plains Adults

There are 2,571 adults, (612 of whom are seniors) in North Plains.

Sex Ratio

Female: 1,869 (54.4%)
Male: 1,564 (45.6%)

Demographics

The racial composition of North Plains includes 71.54% White, 14.68% Asian, 6.23% Black or African American, and smaller percentages for other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,45671.54%
Asian50414.68%
Black or African American2146.23%
Two or more races2005.83%
Other race310.9%
Native Hawaiian or Pacific Islander160.47%
Native American120.35%
Race
Population ↓
Percentage (of total)
Two or more races1424.14%
White1073.12%
Other race220.64%
Race
Population ↓
Percentage (of total)
White2,34968.42%
Asian50414.68%
Black or African American2146.23%
Two or more races581.69%
Native Hawaiian or Pacific Islander160.47%
Native American120.35%
Other race90.26%

North Plains Marital Status

Economics and Income Statistics

North Plains ' average per capita income is $73,694. Household income levels show a median of $117,639. The poverty rate stands at 2.85%.

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$162,943-
Families$152,115$153,268
Households$117,639$129,385
Non Families-$73,913

$73,694

Average Income

$117,639

Median Household Income

2.85%

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)