Data provided by the National Association of Counties shows registered voters in each county in the US, by affiliation, current as of August 1, 2018.
The National Association of Counties has released data on voter registrations from county governments across the country.
A clickable map (click 2018 Midterm Elections) displays total registrations, and a break-down of registered voters by party affiliations. For Maryland counties, the data was last updated on August 1, 2018, as of the writing of this post.
Maryland counties support local boards of election. MACo has facilitated communications between the State Board of Elections and county government IT departments on cybersecurity preparedness for the 2018 mid-term elections.
“More than 177 million people in 42 states and the District of Columbia are registered to vote as of September 2018.” — National Association of Counties
For more information, and the clickable map of voter registrations, see the National Association of Counties County Explorer (click 2018 Midterm Elections).