State Sen. John Cullerton (D-Chicago) is eager to raise state income taxes. Taxpayers in his north side district will pay the most. | City Club of Chicago
State Sen. John Cullerton (D-Chicago) is eager to raise state income taxes. Taxpayers in his north side district will pay the most. | City Club of Chicago
Will County taxpayers would see a total of $290 million in state income tax increases if a tax hike measure passed by the Democrat-controlled Illinois State Senate becomes law.
The communities in Will County that would see the largest increase are Southwest Naperville, with a $29.5 million total increase and a $1,646 average increase, and Southeast Naperville, with a $24.5 million total increase and a $1,313 average increase.
Other communities that would see large collective increases include Frankfort/Frankfort Square ($16.5 million), Homer Glen East ($14.7 million) and New Lenox ($14.6 million).
Taxpayers from North Plainfield ($1,218), Frankfort/Frankfort Square ($1,122), Homer Glen ($1,112) and Mokena ($1,046) would see the highest average increases.
Led by Senate President John Cullerton (D-Chicago), Democrats passed the individual income tax hike last week-- from 3.75 percent to 4.95 percent-- along with a broader set of tax increases on businesses.
If their projections prove correct, individual Illinois taxpayers will send an additional $4.453 billion to Springfield each year as a result of the higher rates. Businesses will pay another $1 billon.
LGIS looked at 2014 income taxes paid by zip code to create a ranking of the highest-paying Will County communities.
Its analysis looked at the percentage of total state income taxes paid by zip code, as reported by the Illinois Department of Revenue. It then applied that percentage to the amount Senate Democrats expect their tax hike will raise to calculate an average increase.
The analysis used 2014 tax return data, which is the latest available and also represents a year in which state income taxes were higher-- five percent, or approximately the level to which the Democrats are hoping to raise them.
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Top income tax-paying communities in Will County
Which communities pay the highest income taxes in Will County?
| Ranking | Communities | Zip | Average State Income Tax Increase | Total Returns filed by Zip |
| 1 | Naperville (Southwest) | 60564 | $1,646 | 17,928 |
| 2 | Naperville (Southeast) | 60565 | $1,313 | 18,690 |
| 3 | Plainfield (North) | 60585 | $1,218 | 9,310 |
| 4 | Frankfort / Frankfort Square | 60423 | $1,122 | 14,746 |
| 5 | Homer Glen (East) | 60467 | $1,112 | 13,193 |
| 6 | Mokena | 60448 | $1,046 | 11,993 |
| 7 | Homer Glen (Central) | 60491 | $995 | 11,007 |
| 8 | Bolingbrook (West) | 60490 | $970 | 8,629 |
| 9 | Aurora (Southeast) | 60503 | $967 | 6,307 |
| 10 | New Lenox | 60451 | $873 | 16,725 |
| 11 | Shorewood | 60404 | $843 | 8,511 |
| 12 | Manhattan | 60442 | $821 | 4,629 |
| 13 | Tinley Park (Southwest) | 60487 | $813 | 12,860 |
| 14 | Channahon | 60410 | $775 | 5,907 |
| 15 | Joliet (Far West) | 60431 | $746 | 10,559 |
| 16 | Monee | 60449 | $744 | 3,966 |
| 17 | Joliet (Far Northwest) / Plainfield (South) | 60586 | $743 | 19,552 |
| 18 | Minooka | 60447 | $737 | 6,415 |
| 19 | Lockport / Fairmont | 60441 | $711 | 15,348 |
| 20 | Plainfield (Central) | 60544 | $703 | 12,189 |
| 21 | Crete | 60417 | $683 | 6,950 |
| 22 | Elwood | 60421 | $673 | 1,846 |
| 23 | Peotone | 60468 | $637 | 2,886 |
| 24 | Beecher | 60401 | $617 | 3,672 |
| 25 | Wilmington / Braidwood | 60481 | $583 | 5,474 |
| 26 | Braidwood | 60408 | $571 | 2,622 |
| 27 | Bolingbrook (East) | 60440 | $553 | 22,961 |
| 28 | Romeoville | 60446 | $548 | 17,334 |
| 29 | Joliet (Northwest) | 60435 | $492 | 21,617 |
| 30 | Steger | 60475 | $446 | 4,263 |
| 31 | Crest Hill | 60403 | $446 | 8,294 |
| 32 | Park Forest (South) | 60466 | $384 | 9,000 |
| 33 | Joliet (Southwest) / Rockdale | 60436 | $381 | 7,637 |
| 34 | University Park | 60484 | $372 | 2,439 |
| 35 | Joliet (Northeast) | 60432 | $356 | 8,543 |
| 36 | Joliet (Southeast) / Ingalls Park / Preston Heights | 60433 | $354 | 6,824 |
Source: Illinois Department of Revenue; Blockshopper.com
How much more will your community pay?
If state income taxes are increased to 4.95 percent from 3.75 percent, how much more will taxpayers in your community pay for state government?
| Ranking | Communities | Zip | Estimated State Income Tax Increase |
| 1 | Naperville (Southwest) | 60564 | $29,506,041 |
| 2 | Naperville (Southeast) | 60565 | $24,547,747 |
| 3 | Frankfort / Frankfort Square | 60423 | $16,544,192 |
| 4 | Homer Glen (East) | 60467 | $14,665,822 |
| 5 | New Lenox | 60451 | $14,598,284 |
| 6 | Joliet (Far Northwest) / Plainfield (South) | 60586 | $14,519,226 |
| 7 | Bolingbrook (East) | 60440 | $12,707,722 |
| 8 | Mokena | 60448 | $12,548,472 |
| 9 | Plainfield (North) | 60585 | $11,338,567 |
| 10 | Homer Glen (Central) | 60491 | $10,956,582 |
| 11 | Lockport / Fairmont | 60441 | $10,914,932 |
| 12 | Joliet (Northwest) | 60435 | $10,642,326 |
| 13 | Tinley Park (Southwest) | 60487 | $10,450,571 |
| 14 | Romeoville | 60446 | $9,490,516 |
| 15 | Plainfield (Central) | 60544 | $8,574,112 |
| 16 | Bolingbrook (West) | 60490 | $8,368,886 |
| 17 | Joliet (Far West) | 60431 | $7,876,324 |
| 18 | Shorewood | 60404 | $7,170,562 |
| 19 | Aurora (Southeast) | 60503 | $6,097,934 |
| 20 | Crete | 60417 | $4,749,051 |
| 21 | Minooka | 60447 | $4,725,133 |
| 22 | Channahon | 60410 | $4,575,160 |
| 23 | Manhattan | 60442 | $3,800,836 |
| 24 | Crest Hill | 60403 | $3,700,273 |
| 25 | Park Forest (South) | 60466 | $3,460,363 |
| 26 | Wilmington / Braidwood | 60481 | $3,193,600 |
| 27 | Joliet (Northeast) | 60432 | $3,045,058 |
| 28 | Monee | 60449 | $2,950,258 |
| 29 | Joliet (Southwest) / Rockdale | 60436 | $2,910,812 |
| 30 | Joliet (Southeast) / Ingalls Park / Preston Heights | 60433 | $2,418,883 |
| 31 | Beecher | 60401 | $2,264,766 |
| 32 | Steger | 60475 | $1,902,180 |
| 33 | Peotone | 60468 | $1,838,222 |
| 34 | Braidwood | 60408 | $1,497,602 |
| 35 | Elwood | 60421 | $1,242,877 |
| 36 | University Park | 60484 | $906,190 |
| TOTAL | $290,700,082 |
Sources: Illinois Department of Revenue; Blockshopper.com; Illinois Senate Democrats
*Assumes tax increase will meet Senate Democrats' projections.
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