| Official Name: | Fair Oaks, Oregon |
| Settlement Type: | Census-designated place (CDP) |
| Pushpin Map: | Oregon#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oregon |
| Subdivision Type2: | County |
| Subdivision Name2: | Douglas |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 4.77 |
| Area Land Km2: | 4.77 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 1.84 |
| Area Land Sq Mi: | 1.84 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 238 |
| Population Density Km2: | 49.95 |
| Population Density Sq Mi: | 129.35 |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 633 |
| Coordinates: | 43.4172°N -123.2133°W |
| Postal Code Type: | ZIP code |
| Area Code: | 541 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1136275 |
| Footnotes: | Coordinates and elevation from United States Geological Survey[2] |
Fair Oaks is an unincorporated community and census-designated place in Douglas County, in the U.S. state of Oregon.[2] It lies at the south end of Driver Valley and along Calapooya Creek,[2] between Sutherlin and Nonpareil by road and upstream from Oakland along the creek.[3] As of the 2010 census, it had a population of 278.[4]
Fair Oaks was named for the oak trees in its vicinity. It had its own post office from 1878 through 1882, and thereafter Fair Oaks mail went via the post office at Oakland.[5]