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Coulee Dam town, WA
ZIP 99116 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Middle ClassLow Snow Area
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 99116
99116 has a population of 1,649 with a median age of 43.1 yrs (55.4% male).
Health & Community Indicators in 99116
Historical Trends in 99116 (2020–Present)
Since 2020, population declined 1.4%, median income fell 6.8% (inflation-adjusted), home values increased 17.9%.
People & Community key statistics
| Population | |
|---|---|
| Population | 1,649 |
| Median age | 43.1 |
| Poverty rate | 11.2% |
| Demographics | |
|---|---|
| White | 51.1% |
| Hispanic | 4.5% |
| Black | 0.5% |
| Asian | 1.0% |
| Foreign-born | 20.4% |