On December 23, the Pennsylvania state elections office released some information about presidential write-ins. The office says there are 6,472 for Evan McMullin; 6,060 for Bernie Sanders; and 302 for John Kasich. The office says in addition there are 37,242 more presidential write-ins. Anyone who wants more information must visit Harrisburg and ask to look at the reports from the counties.
The state office did not break down the write-ins by county, so it isn’t possible at this point to know if all counties reported any write-ins.
Pennsylvania has no write-in declaration of candidacy law, so the state always makes a somewhat arbitrary decision as to which write-ins to tally, similar to the New Hampshire process. It would be desirable if Pennsylvania had a write-in declaration of candidacy law. It is the only populous state that does not have such a law.