Planning To Vote In March Primaries? Here Are Important Deadlines To Know - NBC Chicago
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Planning To Vote In March Primaries? Here Are Important Deadlines To Know

Don't miss these deadlines

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    Make sure you know these dates if you plan on voting.

    With the primary elections fast approaching, voters may not be sure of registration dates or the period for early voting.

    Here is a comprehensive timeline of important dates to note from the Cook County Clerk's Office before the primaries:


    • Feb. 20: Last day to register to vote by paper application.
    • Feb. 21: First day of grace period registration and voting. If you missed the paper or online registration deadline, you must register in person during the grace period. Here is a list of places to register in Cook County.
    • March 4: Last day to register to vote by online application.
    • March 5: First day of early voting. Early voting must be done in person.
    • March 15: Last day to request a mail ballot, including military and overseas voters.
    • March 19: Last day of early voting and last day of grace period registration and voting.
    • March 20: Election Day. Last day mail ballots can be postmarked.


    Here are dates from the DuPage County website:


    • Feb. 20: Last day to register by mail.
    • Feb. 21: Grace period registration and voting begin. Early voting is available at the DuPage County Election Commission, 421 N. County Farm Road, Wheaton.
    • March 4: Last day of online voter registration.
    • March 5: Early voting opens at various locations. Here is a full list of temporary and permanent early voting locations. 
    • March 15: Last day to request a mail ballot.
    • March 17: Early voting closes at some locations.
    • March 19: Last day of early voting.
    • March 20: Election Day.


    Here are dates for Kane County, according to the county’s election calendar:


    • Feb. 20: Last day to register to vote.
    • Feb. 21: Grace period registration and voting begins. You must go to the Kane County Elections Office, 719 S. Batavia Ave., Geneva.
    • March 4: Last day of online voter registration.
    • March 5: Early voting begins. Here is a list of locations.
    • March 15: Last day to request a mail ballot.
    • March 19: Last day for early voting.
    • March 20: Election Day. Last day for grace period registration and voting.


    Here are important dates from the Lake County Office of the County Clerk:


    • Feb. 20: Last day to register by mail.
    • Feb. 21: First day of grace period registration and voting. A voter must register and vote in the same visit at the Lake County Clerk’s office, 18 N. Count St. in Waukegan.
    • March 4: Last day of online voter registration.
    • March 5: Early voting starts. Grace period voting and registration is available at any early voting site. Here is a list of voting sites.
    • March 15: Last day to request a mail ballot.
    • March 17: Early voting closes for non-state mandated sites. Here is a list of those sites. 
    • March 19: Last day for early voting at state mandated sites. Here is a list of those sites. 
    • March 20: Election Day. Last day for grace period registration and voting.