According to tradition, Vishnu Purana has 23,000 verses. How many verses exist in the extant Vishnu Purana?
Based on: The Critical Edition of the Viṣṇupurāṇam,
Critically Edited by M. M. Pathak, Vadodara, Oriental Institute 1997-1999.
...the total # of verses is about 5276.
And if you go by the Bombay edition from 1910, the count is 6389.