A recent analysis by Local Government Information Services, which owns this publication, found almost 50,000 duplicate voter registration records, representing Illinois residents who are registered multiple times.
The data, which was pulled from the the Illinois State Board of Elections voter registration file, shows that there were 49,772 records which showed voters with the same first name, middle name, last name and birth date, and registrations at two different addresses or multiple registrations at the same address, with two unique state-issued voter identification numbers.
The total represents 24,843 unique voters: one person registered four times, 84 people registered three times and 24,758 registered twice.
Will County had a total of 2,921 duplicate records, with the highest numbers coming from Joliet (490), Plainfield (348) and Bolingbrook (278).
Voters with multiple registrations could vote multiple times.
You can find the number of duplicate records for Will County, broken down by city, in the table below:
| City | Duplicated Registration Records |
| Joliet | 490 |
| Plainfield | 348 |
| Bolingbrook | 278 |
| Park Forest | 195 |
| Romeoville | 135 |
| Lockport | 133 |
| Frankfort | 121 |
| New Lenox | 116 |
| University Park | 112 |
| Mokena | 103 |
| Homer Glen | 92 |
| Shorewood | 91 |
| Crest Hill | 84 |
| Crete | 81 |
| Wilmington | 67 |
| Monee | 41 |
| Braidwood | 39 |
| Manhattan | 32 |
| Peotone | 29 |
| Beecher | 28 |
| Custer Park | 23 |
| Elwood | 16 |
| Godley | 10 |
| Rockdale | 8 |
| Total (Will County) | 2,921 |
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