According to the Maryland State Board of Elections website 21,649 votes have been cast during early voting in Howard County.
- Day 1: 11,580 votes cast
- Day 2: 10,069 votes cast
Here is the county by county chart: https://elections.maryland.gov/press_room/2020_stats/EarlyVoting%20by%20County%20-%20PG20.pdf
Here is the breakdown by councilmanic district: https://elections.maryland.gov/press_room/2020_stats/EarlyVoting%20%20by%20Councilmanic%20District%20-%20PG20.pdf
Voters in District 5 are leading the way in total votes cast during early voting and in % of voters (of course this does not include the numbers for the 73,000+ mail-in votes from Howard County yet).
In 2016 through day 2 of early voting Howard County voters cast 17,144 votes: https://elections.maryland.gov/press_room/2016_stats/PG16%20EarlyVoting%20by%20County.pdf
I will continue to track and report this data on the blog as the data is released by the state.