Lakes / Oregon / Columbia County / Millionaire Lake
Millionaire Lake, Oregon
26 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Oregon
45.83 degrees N, 122.81 degrees W - Columbia County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Millionaire Lake Stacks Up
- Larger than 2% of the 642 lakes counted in Oregon.
- About 23 miles from Portland, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Henrici Lake | Columbia | 0.8 mi | 85 acres |
| Scappoose Bay | Columbia | 1.4 mi | 300 acres |
| Cunningham Lake | Columbia | 1.5 mi | 157 acres |
| McNary Lake | Columbia | 3.8 mi | 214 acres |
| Crane Lake | Columbia | 4.2 mi | 122 acres |
| Aarons Lake | Columbia | 4.6 mi | 84 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Millionaire Lake
How Big Is Millionaire Lake?
Millionaire Lake covers 26 acres in Columbia County, Oregon.
What Is the Largest Lake in Columbia County?
Scappoose Bay is the largest lake in Columbia County, at 300 acres.
Largest Lakes in Oregon
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Upper Klamath Lake | Klamath | 62,095 acres | - |
| 2 | Lake Umatilla | Morrow | 50,042 acres | - |
| 3 | Lake Abert | Lake | 37,137 acres | - |
| 4 | Summer Lake | Lake | 31,602 acres | - |
| 5 | Harney Lake | Harney | 31,290 acres | - |
All 642 Oregon lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 152896955). Verified October 30, 2026.