Deer Island Flag

Deer Island

County:
Columbia County
County Seat:
No
Area (mi²):
0.488
State:
Oregon

Deer Island is a CDP located in Columbia County, Oregon. Deer Island has a 2026 population of 167. Deer Island is currently declining at a rate of -4.57% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median age in Deer Island is 41.1 years: 5.7 years for males, and 62 years for females. For every 100 females there are 128.7 males.

167
Total Population
342
Density (mi²)
-8 -4.57%
Growth

Deer Island Population

Deer Island Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026167-8-4.57%
2025175-8-4.37%

Median Age

Overall: 41.1 years
Female: 62 years
Male: 5.7 years

Deer Island Adults

There are 134 adults, (44 of whom are seniors) in Deer Island.

Sex Ratio

Female: 87 (43.7%)
Male: 112 (56.3%)

Demographics

The racial composition of Deer Island includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White199100%
Race
Population ↓
Percentage (of total)
White199100%

Deer Island Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)