| Zip Code |
Number of Returns |
Average Income |
Federal Tax |
Effective Tax Rate |
| Upper Marlboro, MD 20774 |
20,357 |
$59,600 |
$7,040 |
9.0% |
| Rockville, MD 20850 |
20,318 |
$97,850 |
$19,420 |
17.0% |
| Columbia, MD 21044 |
20,112 |
$79,740 |
$13,800 |
14.0% |
| Nottingham, MD 21236 |
19,816 |
$51,340 |
$6,320 |
10.0% |
| Upper Marlboro, MD 20772 |
19,757 |
$66,140 |
$7,830 |
10.0% |
| Lutherville Timonium, MD 21093 |
19,486 |
$123,130 |
$29,010 |
20.0% |
| Silver Spring, MD 20910 |
19,374 |
$76,740 |
$13,390 |
15.0% |
| Baltimore, MD 21218 |
19,259 |
$53,200 |
$11,020 |
14.0% |
| District Heights, MD 20747 |
19,236 |
$41,520 |
$4,120 |
7.0% |
| Temple Hills, MD 20748 |
19,227 |
$45,270 |
$4,880 |
8.0% |
| Rockville, MD 20852 |
19,210 |
$95,490 |
$19,080 |
17.0% |
| Annapolis, MD 21401 |
18,483 |
$91,130 |
$17,450 |
16.0% |
| Columbia, MD 21045 |
18,462 |
$64,850 |
$9,540 |
12.0% |
| Capitol Heights, MD 20743 |
18,433 |
$36,910 |
$3,460 |
6.0% |
| Middle River, MD 21220 |
18,420 |
$43,860 |
$5,450 |
9.0% |
| Elkton, MD 21921 |
18,329 |
$52,770 |
$7,090 |
11.0% |
| Lanham, MD 20706 |
18,055 |
$45,090 |
$5,030 |
8.0% |
| Frederick, MD 21702 |
18,048 |
$65,050 |
$9,860 |
12.0% |
| Ellicott City, MD 21042 |
17,756 |
$126,060 |
$26,190 |
18.0% |
| Hyattsville, MD 20783 |
17,576 |
$34,390 |
$3,680 |
8.0% |
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