| Official Name: | Deer Island, Oregon |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Oregon#USA |
| Pushpin Label: | Deer Island |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oregon |
| Subdivision Type2: | County |
| Subdivision Name2: | Columbia |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.26 |
| Area Land Km2: | 1.26 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.49 |
| Area Land Sq Mi: | 0.49 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 323 |
| Population Density Km2: | 255.52 |
| Population Density Sq Mi: | 661.89 |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 26 |
| Coordinates: | 45.9331°N -122.8497°W |
| Area Code: | 503 & 971 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2611727 |
Deer Island is an unincorporated community and census-designated place in Columbia County, Oregon, United States. As of the 2010 census it had a population of 294.[2]
The community is located along U.S. Route 30 north-northwest of Columbia City. Deer Island has a post office with ZIP code 97054.[3]
As of the 2020 census, there were 323 people, 143 housing units, and 93 families in the CDP. In Deer Island there were, 282 White people, 0 African Americans, 10 Native Americans, 2 Asians, 0 Pacific Islanders, 6 people that were from some other race, and 23 from two or more races. 30 people were from Hispanic or Latino origin.[4]
The ancestry of Deer Island is 21.8% German, 13.8% Irish, 11.5% French, 2.9% Italian, and 2.9% Norwegian.
The median age in Deer Island was 52.4 years old. 29.3% of the population were over 65, with 22.4% from 65 to 74, and 6.9% from 75 to 84. 0.0% of the population were foreign born.
The median household income was $23,750, with families having $37,500, and non-families having $18,750. 5.2% of the population were in poverty, and 9.9% of people 18 to 64 were in poverty.