| Place Name | Union Gap |
| Place Type | City |
| ZIP Code(s) | 98901 98903 |
| County | Yakima County |
| Area Code(s) | 509 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 6,003 |
| Population Growth Rate (2010-19) | 8.62% |
| Majority Ethnicity | White 49.21% |
| Metro/Micro Stats Area | Yakima, WA |
| US Congressional District(s) | Washington 4th |
| State House Districts | 15 |
| State Senate Districts | 15 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 49.21% |
| African American | 0% |
| Hispanic | 5.29% |
| Asian | 2.68% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 42.82% |