It completely depends. I know that is not the answer you were looking for, but its the truth. Based on the facts of situation, claims being made, whether proper procedure is followed, and defenses that may or may not be presented, there is no set time line for an eviction. Speak to a local attorney licensed in your jurisdiction for more clarity.
I am licensed in CA only and this answer should be viewed as general information only and not relied upon as legal advice.