| Place Name | Arlington Heights |
| Place Type | Census Designated Place |
| ZIP Code(s) | 98223 |
| County | Snohomish County |
| Area Code(s) | 360 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 2,440 |
| Population Growth Rate (2010-19) | 8.45% |
| Majority Ethnicity | White 90.13% |
| Metro/Micro Stats Area | Seattle-Tacoma-Bellevue, WA |
| US Congressional District(s) | Washington 1st |
| State House Districts | 39 |
| State Senate Districts | 39 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.13% |
| African American | 0% |
| Hispanic | 0.36% |
| Asian | 1.76% |
| Native American | 1.04% |
| Hawaiin/Pacific Islander | 6.71% |