Answer: only if you really want to be. From a recent survey these are the numbers for camping and hiking alone.
Nights Camped Alone
- 23.3% – 0%
- 32.3% – 1-10%
- 9.4% – 11-20%
- 5.4% – 21-30%
- 5.4% – 31-40%
- 6.3% – 41-50%
- 3.2% – 51-60%
- 2.1% – 61-70%
- 5.4% – 71-80%
- 3.6% – 81-90%
- 2.1% – 91-99%
- 1.6% – 100%
Time Hiking Alone
- 6.7% – 0%
- 8.8% – 1-10%
- 5.1% – 11-20%
- 5.5% – 21-30%
- 3.4% – 31-40%
- 7.9% – 41-50%
- 3.8% – 51-60%
- 7.8% – 61-70%
- 16.1% – 71-80%
- 18.1% – 81-90%
- 14.1% – 91-99%
- 2.8% – 100%
I realize this is a common worry, but the answer is that even on the PCT people are not alone that often.