| County | Median Property Taxes ↓ | With Mortgage | Without Mortgage |
|---|---|---|---|
| Lake County | $8,743 | $9,173 | $7,874 |
| DuPage County | $7,833 | $8,008 | $7,489 |
| Kendall County | $7,556 | $7,697 | $7,018 |
| Kane County | $7,230 | $7,537 | $6,555 |
| McHenry County | $7,153 | $7,337 | $6,725 |
| Will County | $6,993 | $7,207 | $6,467 |
| Cook County | $6,053 | $6,346 | $5,496 |
| DeKalb County | $5,889 | $6,108 | $5,430 |
| Grundy County | $5,260 | $5,754 | $4,237 |
| Monroe County | $4,523 | $4,777 | $4,174 |
| Boone County | $4,507 | $4,645 | $4,008 |
| McLean County | $4,503 | $4,722 | $4,122 |
| Champaign County | $4,245 | $4,362 | $4,063 |
| Woodford County | $4,224 | $4,397 | $4,045 |
| Kankakee County | $4,125 | $4,615 | $3,363 |
| Winnebago County | $3,850 | $4,106 | $3,422 |
| Ogle County | $3,737 | $3,885 | $3,480 |
| St. Clair County | $3,533 | $4,082 | $2,745 |
| Tazewell County | $3,481 | $3,637 | $3,214 |
| Peoria County | $3,416 | $3,721 | $2,944 |
| Jo Daviess County | $3,383 | $3,468 | $3,207 |
| Rock Island County | $3,372 | $3,525 | $3,097 |
| Sangamon County | $3,369 | $3,651 | $2,981 |
| Clinton County | $3,356 | $3,610 | $2,956 |
| LaSalle County | $3,336 | $3,692 | $2,867 |
| Madison County | $3,232 | $3,604 | $2,691 |
| Stephenson County | $3,140 | $3,375 | $2,925 |
| Piatt County | $3,040 | $3,386 | $2,419 |
| Lee County | $2,980 | $3,189 | $2,766 |
| Jersey County | $2,957 | $3,268 | $2,715 |
| Menard County | $2,936 | $3,327 | $2,521 |
| Henry County | $2,877 | $3,111 | $2,560 |
| Livingston County | $2,867 | $3,075 | $2,615 |
| Washington County | $2,766 | $3,073 | $2,472 |
| Marshall County | $2,743 | $2,791 | $2,670 |
| Effingham County | $2,713 | $2,892 | $2,489 |
| Mercer County | $2,710 | $2,995 | $2,310 |
| Whiteside County | $2,676 | $2,841 | $2,425 |
| Putnam County | $2,668 | $2,876 | $2,509 |
| Bond County | $2,612 | $2,780 | $2,298 |
| Douglas County | $2,586 | $2,800 | $2,295 |
| Calhoun County | $2,565 | $2,719 | $2,462 |
| Macon County | $2,560 | $2,728 | $2,311 |
| Bureau County | $2,522 | $2,613 | $2,383 |
| Coles County | $2,494 | $2,759 | $2,186 |
| Williamson County | $2,490 | $2,924 | $1,729 |
| Adams County | $2,461 | $2,553 | $2,350 |
| Iroquois County | $2,449 | $2,643 | $2,213 |
| Ford County | $2,443 | $2,613 | $2,163 |
| Morgan County | $2,420 | $2,613 | $2,209 |
| Jackson County | $2,385 | $2,939 | $1,902 |
| Jasper County | $2,341 | $2,793 | $1,846 |
| Moultrie County | $2,316 | $2,416 | $2,225 |
| Logan County | $2,315 | $2,195 | $2,503 |
| Carroll County | $2,308 | $2,401 | $2,228 |
| De Witt County | $2,297 | $2,576 | $1,925 |
| Mason County | $2,277 | $2,397 | $2,178 |
| McDonough County | $2,238 | $2,208 | $2,268 |
| Fulton County | $2,186 | $2,431 | $1,944 |
| Brown County | $2,090 | $2,060 | $2,137 |
| Clark County | $2,073 | $2,061 | $2,085 |
| Cumberland County | $2,068 | $2,025 | $2,103 |
| Knox County | $2,044 | $2,257 | $1,807 |
| Jefferson County | $2,026 | $2,397 | $1,561 |
| Hancock County | $2,020 | $2,086 | $1,949 |
| Cass County | $2,007 | $2,036 | $1,967 |
| Macoupin County | $1,990 | $2,045 | $1,935 |
| Shelby County | $1,955 | $2,174 | $1,804 |
| Johnson County | $1,952 | $2,337 | $1,656 |
| Schuyler County | $1,940 | $2,203 | $1,694 |
| Warren County | $1,921 | $1,866 | $2,034 |
| Christian County | $1,896 | $2,070 | $1,588 |
| Randolph County | $1,877 | $2,263 | $1,585 |
| Union County | $1,851 | $2,433 | $1,402 |
| Crawford County | $1,769 | $2,113 | $1,452 |
| Massac County | $1,769 | $2,104 | $1,473 |
| Montgomery County | $1,758 | $2,016 | $1,467 |
| Perry County | $1,744 | $1,897 | $1,611 |
| Fayette County | $1,740 | $2,256 | $1,413 |
| Marion County | $1,709 | $2,202 | $1,306 |
| Henderson County | $1,703 | $1,957 | $1,512 |
| Stark County | $1,700 | $1,856 | $1,466 |
| Pope County | $1,687 | $1,755 | $1,637 |
| Wayne County | $1,670 | $1,913 | $1,422 |
| Vermilion County | $1,666 | $2,243 | $1,306 |
| Richland County | $1,618 | $2,148 | $1,288 |
| Greene County | $1,564 | $1,820 | $1,333 |
| Pike County | $1,557 | $1,669 | $1,460 |
| Wabash County | $1,528 | $1,942 | $1,189 |
| Clay County | $1,523 | $1,902 | $809 |
| Edgar County | $1,478 | $1,562 | $1,383 |
| Hamilton County | $1,470 | $1,917 | $1,322 |
| Saline County | $1,445 | $1,975 | $1,166 |
| Edwards County | $1,429 | $1,780 | $1,286 |
| Scott County | $1,406 | $1,794 | $1,210 |
| White County | $1,388 | $1,461 | $1,338 |
| Franklin County | $1,316 | $1,599 | $1,143 |
| Gallatin County | $1,276 | $1,429 | $1,044 |
| Lawrence County | $1,156 | $1,537 | $779 |
| Hardin County | $1,078 | $1,278 | $762 |
| Alexander County | $966 | $1,899 | $497 |
| Pulaski County | $668 | $1,080 | $532 |