Arlington Heights, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Arlington Heights, Washington had a total population of 2,727, the 272nd largest community in Washington, with a median household income of $127,244, which is 30% higher than the state average. The poverty rate is 3.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- An exceptionally low poverty rate of 3.4% — among the lowest in Washington.
Arlington Heights Quick Facts
How Arlington Heights 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 | 2,990 | 2,727 | -8.8% |
| Median household income | $118,529 | $127,244 | +7.4% |
| Median home value | $688,000 | $751,100 | +9.2% |
How Arlington Heights 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
A less diverse community where one racial or ethnic group represents a large majority.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Arlington Heights Rankings in Washington
Explore Washington Rankings
Other Cities in Snohomish County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Everett | 111,845 | $83,512 | 12.9% | $565,300 |
| Marysville | 73,002 | $103,974 | 8.1% | $567,900 |
| Edmonds | 42,735 | $122,449 | 3.8% | $890,100 |
| Lake Stevens | 40,253 | $122,336 | 5.2% | $635,600 |
| Lynnwood | 40,110 | $77,704 | 14.1% | $686,900 |
| Mill Creek East | 25,453 | $192,937 | 4.1% | $905,400 |
| Eastmont | 23,721 | $138,912 | 6.3% | $784,000 |
| North Lynnwood | 23,339 | $101,088 | 7.2% | $616,400 |
| Mountlake Terrace | 23,104 | $107,687 | 7.0% | $667,300 |
| Martha Lake | 22,634 | $124,494 | 8.3% | $785,400 |
Cities Similar to Arlington Heights
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Bryant | 2,648 | $121,669 | $665,500 | 25.0% | 1.9% |
| Fobes Hill | 2,569 | $133,553 | $827,900 | 45.8% | 6.9% |
| Brush Prairie | 2,526 | $122,827 | $568,000 | 28.6% | 3.3% |
| Eatonville | 2,850 | $114,688 | $431,000 | 19.5% | 2.8% |
| Lewisville | 2,465 | $125,647 | $662,600 | 28.4% | 3.3% |
Population Overview
Arlington Heights is a small community located in Washington, within Snohomish County. The total population is 2,727. It ranks as the 272nd most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Arlington Heights is 46.8 years. This is 22% higher than the state median of 38.3 years. 15.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Arlington Heights is $127,244. This is 30% higher than the state median of $98,141. It is also 58% higher than the national median of $80,734. The poverty rate stands at 3.4%. This is 66% lower than the state poverty rate of 9.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 5.5%. This is 8% higher than the state rate of 5.1%. The median home value is $751,100. Housing costs are 33% higher than the state median of $564,600. The home-value-to-income ratio is 5.9x. 79.9% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 63.8%.
Race & Ethnicity
Arlington Heights has a predominantly White (non-Hispanic) population, comprising 86.1% of all residents. Hispanic or Latino residents account for 3.7%. The Hispanic or Latino population (3.7%) is well below the state average of 14.4%. The Asian population (1.7%) is well below the state average of 9.7%.
Education
12.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 68% lower than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.7%.
Data Sources & Methodology
All demographic data for Arlington Heights, Washington 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 Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Washington city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Arlington Heights, Washington?
Arlington Heights, Washington has a population of 2,727 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Arlington Heights, WA?
The median household income in Arlington Heights is $127,244, which is 58% higher than the national median of $80,734.
What is the poverty rate in Arlington Heights, WA?
The poverty rate in Arlington Heights is 3.4%. This means approximately 91 residents live below the federal poverty line.
What is the racial makeup of Arlington Heights, Washington?
Arlington Heights's population is 86.1% White, 0.0% Black, 3.7% Hispanic/Latino, and 1.7% Asian.
What is the median home value in Arlington Heights, WA?
The median home value in Arlington Heights is $751,100. The home-value-to-income ratio is 5.9x.
How educated is Arlington Heights, Washington?
12.8% of adults (25+) in Arlington Heights hold a bachelor's degree or higher, and 5.8% hold a graduate or professional degree.