North Plains, Oregon Demographics & Population 2026
During the 2020–2024 ACS period, North Plains, Oregon had a total population of 3,433, the 123rd largest city in Oregon, with a median household income of $117,639, which is 42% higher than the state average. The poverty rate is 2.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 42% above the state average — one of the wealthiest communities in Oregon.
- An exceptionally low poverty rate of 2.9% — among the lowest in Oregon.
North Plains Quick Facts
How North Plains Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,393 | 3,433 | +1.2% |
| Median household income | $108,618 | $117,639 | +8.3% |
| Median home value | $544,000 | $587,500 | +8.0% |
How North Plains Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 46 | National average: 61
Education
Educational Attainment (Adults 25+)
North Plains Rankings in Oregon
Explore Oregon Rankings
Other Cities in Washington County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Hillsboro | 108,231 | $106,409 | 8.5% | $521,100 |
| Beaverton | 97,812 | $98,622 | 10.1% | $569,800 |
| Tigard | 56,011 | $108,823 | 6.7% | $610,500 |
| Aloha | 52,389 | $101,934 | 7.8% | $484,400 |
| Bethany | 33,106 | $167,735 | 4.0% | $751,700 |
| Tualatin | 27,763 | $104,043 | 10.0% | $628,200 |
| Wilsonville | 26,974 | $96,236 | 8.8% | $615,300 |
| Forest Grove | 26,529 | $87,933 | 15.4% | $479,600 |
| Sherwood | 20,307 | $109,966 | 4.3% | $602,100 |
| Cornelius | 14,255 | $96,273 | 9.1% | $452,900 |
Cities Similar to North Plains
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Millersburg | 3,366 | $124,867 | $567,200 | 30.5% | 5.1% |
| Hubbard | 3,406 | $101,771 | $436,800 | 18.8% | 3.5% |
| Jefferson | 3,301 | $102,159 | $373,000 | 19.6% | 9.2% |
| Dundee | 3,213 | $106,681 | $493,100 | 42.4% | 3.3% |
| Metzger | 3,714 | $91,102 | $543,400 | 44.2% | 7.6% |
Population Overview
North Plains is a small community located in Oregon, within Washington County. The total population is 3,433. It ranks as the 123rd most populous out of 420 Census-designated places in Oregon.
Age Demographics
The median age in North Plains is 36.3 years. This is 10% lower than the state median of 40.4 years.
Economy, Income & Housing
The median household income in North Plains is $117,639. This is 42% higher than the state median of $83,011. It is also 46% higher than the national median of $80,734. The poverty rate stands at 2.9%. This is 76% lower than the state poverty rate of 11.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 6.4%. This is 19% higher than the state rate of 5.4%. The median home value is $587,500. Housing costs are 23% higher than the state median of $477,600. The home-value-to-income ratio is 5.0x. 82.8% of occupied housing units are owner-occupied. This homeownership rate is 31% higher than the state average of 63.3%.
Race & Ethnicity
The largest racial or ethnic group in North Plains is White (non-Hispanic), making up 68.4% of the population. Asian residents account for 14.7%. The Black or African American population is significantly higher than the state average (6.2% vs 1.8%). The Asian population is significantly higher than the state average (14.7% vs 4.4%).
Education
48.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% higher than the state rate of 36.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.4%. Notably, 19.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for North Plains, Oregon is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Oregon state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 420 Census-designated places in Oregon. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of North Plains, Oregon?
North Plains, Oregon has a population of 3,433 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in North Plains, OR?
The median household income in North Plains is $117,639, which is 46% higher than the national median of $80,734.
What is the poverty rate in North Plains, OR?
The poverty rate in North Plains is 2.9%. This means approximately 98 residents live below the federal poverty line.
What is the racial makeup of North Plains, Oregon?
North Plains's population is 68.4% White, 6.2% Black, 7.9% Hispanic/Latino, and 14.7% Asian.
What is the median home value in North Plains, OR?
The median home value in North Plains is $587,500. The home-value-to-income ratio is 5.0x.
How educated is North Plains, Oregon?
48.1% of adults (25+) in North Plains hold a bachelor's degree or higher, and 19.8% hold a graduate or professional degree.