- Located on US 60 between Montier and Winona
- Latitude: 36°59'28" N (+36.9911)
- Longitude: 91°29'33" W (-91.4925)
- Elevation: 991 feet above sea level
- Civil township: Birch Tree
- Land area: 1.3 square miles
As the crow flies, Birch Tree is...
| Year | Population | Percent change |
|---|
| 1910 | 497 | -- |
| 1920 | 452 | -9.1% |
| 1930 | 505 | +11.7% |
| 1940 | 495 | -2.0% |
| 1950 | 409 | -17.4% |
| 1960 | 420 | +2.7% |
| 1970 | 573 | +36.4% |
| 1980 | 622 | +8.6% |
| 1990 | 599 | -3.7% |
| 2000 | 634 | +5.8% |