Rock Island County taxpayers will see a total of $34 million in state income tax increases after SB 9, a tax hike measure, passed the Democrat-controlled Illinois State Senate to become law.
Rock Island County communities that will see the largest collective increases include Moline ($11.2 million), Rock Island ($7.1 million), East Moline ($4.3 million), Milan/Coyne Center ($2.9 million) and Coal Valley ($2.1 million).
Taxpayers from Rapids City ($1,505), Coal Valley ($757), Cordova ($727), Taylor Ridge ($724) and Port Byron/Rapids City ($707) will see the highest average increases.
Senate Bill 9, a revenue bill that would generate $5.4 billion by raising the income tax rate to 4.95 percent from 3.75 percent and the corporate tax rate to 7 percent from 5.25 percent, passed 36-18 on Tuesday. It passed the House on Sunday. Gov. Bruce Rauner then vetoed the bill, but the Senate quickly overrode his veto. The House is expected to vote on an override Thursday.
LGIS looked at 2014 income taxes paid by zip code to create a ranking of the highest-paying Rock Island 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 Rock Island County
Which communities pay the highest income taxes in Rock Island County?
| Ranking | Communities | Zip | Average State Income Tax Increase | Total Returns filed by Zip |
| 1 | Rapids City | 61278 | $1,505 | 287 |
| 2 | Coal Valley | 61240 | $757 | 2,802 |
| 3 | Cordova | 61242 | $727 | 543 |
| 4 | Taylor Ridge | 61284 | $724 | 1,131 |
| 5 | Port Byron / Rapids City | 61275 | $707 | 1,926 |
| 6 | Reynolds | 61279 | $661 | 486 |
| 7 | Andalusia | 61232 | $653 | 655 |
| 8 | Hampton | 61256 | $638 | 835 |
| 9 | Illinois City | 61259 | $611 | 618 |
| 10 | Milan / Coyne Center | 61264 | $604 | 4,739 |
| 11 | Hillsdale | 61257 | $577 | 528 |
| 12 | Moline | 61265 | $541 | 20,664 |
| 13 | Rock Island | 61201 | $462 | 15,285 |
| 14 | Silvis | 61282 | $428 | 3,577 |
| 15 | East Moline | 61244 | $423 | 10,194 |
| 16 | Carbon Cliff | 61239 | $305 | 476 |
Source: Illinois Department of Revenue; Blockshopper.com
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How much more will your community pay?
With state income taxes 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 | Moline | 61265 | $11,172,170 |
| 2 | Rock Island | 61201 | $7,063,168 |
| 3 | East Moline | 61244 | $4,308,024 |
| 4 | Milan / Coyne Center | 61264 | $2,862,898 |
| 5 | Coal Valley | 61240 | $2,120,635 |
| 6 | Silvis | 61282 | $1,529,989 |
| 7 | Port Byron / Rapids City | 61275 | $1,362,332 |
| 8 | Taylor Ridge | 61284 | $818,323 |
| 9 | Hampton | 61256 | $532,463 |
| 10 | Rapids City | 61278 | $431,899 |
| 11 | Andalusia | 61232 | $427,599 |
| 12 | Cordova | 61242 | $394,624 |
| 13 | Illinois City | 61259 | $377,691 |
| 14 | Reynolds | 61279 | $321,212 |
| 15 | Hillsdale | 61257 | $304,549 |
| 16 | Carbon Cliff | 61239 | $145,018 |
| TOTAL | $34,172,594 |
Sources: Illinois Department of Revenue; Blockshopper.com; Illinois Senate Democrats
*Assumes tax increase will meet Senate Democrats' projections.
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