http://www.mdch.state.mi.us/PHA/OSR/Index.asp?Id=1&MainFile=MainVS.htm&BookMark=
Click on "Natality, Pregnancy, & Abortion" Icon
Select "Michigan Counties" to get drop down menu
Select "Number of Birth by County" from drop down menu
You wil probably have to select the data and copy and paste to a blank Excel worksheet.
Truncate table: aa_mi_mu_birthrates
Import Downloaded Excel file into aa_mi_mu_birthrates
Run SQL scripts in: “COM MU Birth Rates”