| Zip Code | City / Town | State | Returns | Total ($1000) | Avg/return |
| 21662 | Royal Oak | Maryland | 100 | $3,683 | $36,830 |
| 20812 | Glen Echo | Maryland | 20 | $687 | $34,350 |
| 21654 | Oxford | Maryland | 190 | $6,445 | $33,921 |
| 20854 | Potomac | Maryland | 3,840 | $125,015 | $32,556 |
| 20815 | Chevy Chase | Maryland | 2,810 | $88,781 | $31,595 |
| 21111 | Monkton | Maryland | 400 | $11,330 | $28,325 |
| 20817 | Bethesda | Maryland | 2,750 | $77,834 | $28,303 |
| 21663 | Saint Michaels | Maryland | 410 | $11,198 | $27,312 |
| 20816 | Bethesda | Maryland | 1,410 | $38,449 | $27,269 |
| 20862 | Brinklow | Maryland | 20 | $535 | $26,750 |
| 21210 | Baltimore | Maryland | 960 | $25,413 | $26,472 |
| 21671 | Tilghman | Maryland | 80 | $1,984 | $24,800 |
| 21658 | Queenstown | Maryland | 290 | $6,802 | $23,455 |
| 21204 | Towson | Maryland | 1,480 | $34,698 | $23,445 |
| 20838 | Barnesville | Maryland | 20 | $465 | $23,250 |
| 21737 | Glenelg | Maryland | 100 | $2,318 | $23,180 |
| 20814 | Bethesda | Maryland | 2,050 | $46,686 | $22,774 |
| 21131 | Phoenix | Maryland | 630 | $14,314 | $22,721 |
| 21601 | Easton | Maryland | 1,910 | $43,266 | $22,652 |
| 20852 | Rockville | Maryland | 2,510 | $56,304 | $22,432 |
| 20861 | Ashton | Maryland | 150 | $3,355 | $22,367 |
| 21208 | Pikesville | Maryland | 2,920 | $63,966 | $21,906 |
| 21032 | Crownsville | Maryland | 590 | $12,830 | $21,746 |
| 21678 | Worton | Maryland | 130 | $2,827 | $21,746 |
| 20833 | Brookeville | Maryland | 440 | $9,500 | $21,591 |
| 21057 | Glen Arm | Maryland | 460 | $9,881 | $21,480 |
| 21029 | Clarksville | Maryland | 500 | $10,616 | $21,232 |
| 21030 | Cockeysville | Maryland | 1,360 | $28,570 | $21,007 |
| 20878 | Gaithersburg | Maryland | 2,540 | $53,352 | $21,005 |
| 21912 | Warwick | Maryland | 40 | $834 | $20,850 |
| 21409 | Annapolis | Maryland | 1,220 | $25,358 | $20,785 |
| 21403 | Annapolis | Maryland | 1,820 | $37,299 | $20,494 |
| 21093 | Lutherville Timonium | Maryland | 4,000 | $81,873 | $20,468 |
| 21042 | Ellicott City | Maryland | 2,550 | $51,717 | $20,281 |
| 21677 | Woolford | Maryland | 40 | $806 | $20,150 |
| 21146 | Severna Park | Maryland | 1,990 | $39,776 | $19,988 |
| 21044 | Columbia | Maryland | 2,370 | $46,748 | $19,725 |
| 21202 | Baltimore | Maryland | 310 | $6,089 | $19,642 |
| 20882 | Gaithersburg | Maryland | 770 | $15,113 | $19,627 |
| 21620 | Chestertown | Maryland | 970 | $18,947 | $19,533 |
| 21638 | Grasonville | Maryland | 310 | $6,040 | $19,484 |
| 20759 | Fulton | Maryland | 250 | $4,856 | $19,424 |
| 20645 | Issue | Maryland | 70 | $1,358 | $19,400 |
| 21401 | Annapolis | Maryland | 3,040 | $58,849 | $19,358 |
| 20837 | Poolesville | Maryland | 280 | $5,397 | $19,275 |
| 21794 | West Friendship | Maryland | 140 | $2,667 | $19,050 |
| 21797 | Woodbine | Maryland | 510 | $9,685 | $18,990 |
| 20850 | Rockville | Maryland | 2,430 | $46,078 | $18,962 |
| 21286 | Towson | Maryland | 1,670 | $31,666 | $18,962 |
| 20905 | Silver Spring | Maryland | 1,030 | $19,527 | $18,958 |
| 21104 | Marriottsville | Maryland | 330 | $6,235 | $18,894 |
| 20677 | Port Tobacco | Maryland | 140 | $2,626 | $18,757 |
| 21738 | Glenwood | Maryland | 210 | $3,936 | $18,743 |
| 21152 | Sparks Glencoe | Maryland | 400 | $7,486 | $18,715 |
| 20855 | Derwood | Maryland | 870 | $16,165 | $18,580 |
| 20818 | Cabin John | Maryland | 130 | $2,413 | $18,562 |
| 21209 | Baltimore | Maryland | 1,690 | $31,144 | $18,428 |
| 21012 | Arnold | Maryland | 1,250 | $22,998 | $18,398 |
| 20776 | Harwood | Maryland | 160 | $2,939 | $18,369 |
| 21035 | Davidsonville | Maryland | 580 | $10,647 | $18,357 |
| 21140 | Riva | Maryland | 260 | $4,756 | $18,292 |
| 20688 | Solomons | Maryland | 290 | $5,300 | $18,276 |
| 21163 | Woodstock | Maryland | 480 | $8,735 | $18,198 |
| 20778 | West River | Maryland | 130 | $2,352 | $18,092 |
| 21619 | Chester | Maryland | 440 | $7,943 | $18,052 |
| 21645 | Kennedyville | Maryland | 70 | $1,263 | $18,043 |
| 20721 | Bowie | Maryland | 1,210 | $21,779 | $17,999 |
| 21212 | Baltimore | Maryland | 1,380 | $24,790 | $17,964 |
| 21230 | Baltimore | Maryland | 790 | $14,091 | $17,837 |
| 21013 | Baldwin | Maryland | 460 | $8,204 | $17,835 |
| 21108 | Millersville | Maryland | 1,030 | $18,370 | $17,835 |
| 21801 | Salisbury | Maryland | 1,090 | $19,396 | $17,794 |
| 21231 | Baltimore | Maryland | 290 | $5,134 | $17,703 |
| 21617 | Centreville | Maryland | 610 | $10,788 | $17,685 |
| 20842 | Dickerson | Maryland | 110 | $1,945 | $17,682 |
| 21037 | Edgewater | Maryland | 1,230 | $21,721 | $17,659 |
| 20860 | Sandy Spring | Maryland | 150 | $2,645 | $17,633 |
| 20777 | Highland | Maryland | 260 | $4,552 | $17,508 |
| 20853 | Rockville | Maryland | 1,740 | $30,405 | $17,474 |
| 20623 | Cheltenham | Maryland | 60 | $1,048 | $17,467 |
| 21754 | Ijamsville | Maryland | 370 | $6,405 | $17,311 |
| 20841 | Boyds | Maryland | 320 | $5,527 | $17,272 |
| 20866 | Burtonsville | Maryland | 380 | $6,560 | $17,263 |
| 20895 | Kensington | Maryland | 1,180 | $20,298 | $17,202 |
| 21082 | Hydes | Maryland | 80 | $1,375 | $17,188 |
| 21120 | Parkton | Maryland | 510 | $8,739 | $17,135 |
| 21666 | Stevensville | Maryland | 670 | $11,460 | $17,104 |
| 20685 | Saint Leonard | Maryland | 290 | $4,948 | $17,062 |
| 21218 | Baltimore | Maryland | 1,030 | $17,486 | $16,977 |
| 20611 | Bel Alton | Maryland | 40 | $679 | $16,975 |
| 20684 | Saint Inigoes | Maryland | 50 | $848 | $16,960 |
| 21117 | Owings Mills | Maryland | 1,990 | $33,568 | $16,868 |
| 21036 | Dayton | Maryland | 140 | $2,361 | $16,864 |
| 21774 | New Market | Maryland | 580 | $9,748 | $16,807 |
| 20910 | Silver Spring | Maryland | 1,450 | $24,351 | $16,794 |
| 20769 | Glenn Dale | Maryland | 260 | $4,347 | $16,719 |
| 21047 | Fallston | Maryland | 1,070 | $17,844 | $16,677 |
| 21904 | Port Deposit | Maryland | 270 | $4,491 | $16,633 |
| 21087 | Kingsville | Maryland | 470 | $7,773 | $16,538 |
| 20689 | Sunderland | Maryland | 70 | $1,157 | $16,529 |
| 21673 | Trappe | Maryland | 180 | $2,974 | $16,522 |
| 21704 | Frederick | Maryland | 530 | $8,750 | $16,509 |
| 20904 | Silver Spring | Maryland | 2,980 | $49,182 | $16,504 |
| 21679 | Wye Mills | Maryland | 20 | $330 | $16,500 |
| 21842 | Ocean City | Maryland | 950 | $15,666 | $16,491 |
| 21647 | Mcdaniel | Maryland | 20 | $329 | $16,450 |
| 21048 | Finksburg | Maryland | 730 | $11,995 | $16,432 |
| 21811 | Berlin | Maryland | 2,210 | $35,788 | $16,194 |
| 21541 | Mc Henry | Maryland | 90 | $1,452 | $16,133 |
| 20764 | Shady Side | Maryland | 190 | $3,065 | $16,132 |
| 21046 | Columbia | Maryland | 670 | $10,796 | $16,113 |
| 21661 | Rock Hall | Maryland | 220 | $3,538 | $16,082 |
| 20758 | Friendship | Maryland | 60 | $962 | $16,033 |
| 20903 | Silver Spring | Maryland | 430 | $6,881 | $16,002 |
| 20711 | Lothian | Maryland | 280 | $4,479 | $15,996 |
| 21045 | Columbia | Maryland | 1,750 | $27,979 | $15,988 |
| 20871 | Clarksburg | Maryland | 490 | $7,831 | $15,982 |
| 21155 | Upperco | Maryland | 170 | $2,714 | $15,965 |
| 21043 | Ellicott City | Maryland | 1,900 | $30,266 | $15,929 |
| 21136 | Reisterstown | Maryland | 1,690 | $26,902 | $15,918 |
| 21770 | Monrovia | Maryland | 280 | $4,457 | $15,918 |
| 20630 | Drayden | Maryland | 20 | $315 | $15,750 |
| 20720 | Bowie | Maryland | 740 | $11,590 | $15,662 |
| 21710 | Adamstown | Maryland | 310 | $4,810 | $15,516 |
| 21919 | Earleville | Maryland | 200 | $3,092 | $15,460 |
| 20886 | Montgomery Village | Maryland | 1,130 | $17,404 | $15,402 |
| 21771 | Mount Airy | Maryland | 1,550 | $23,800 | $15,355 |
| 21742 | Hagerstown | Maryland | 1,910 | $29,267 | $15,323 |
| 20637 | Hughesville | Maryland | 260 | $3,964 | $15,246 |
| 21901 | North East | Maryland | 620 | $9,419 | $15,192 |
| 20779 | Tracys Landing | Maryland | 80 | $1,215 | $15,188 |
| 20723 | Laurel | Maryland | 970 | $14,686 | $15,140 |
| 20832 | Olney | Maryland | 1,270 | $19,198 | $15,117 |
| 21716 | Brunswick | Maryland | 170 | $2,564 | $15,082 |
| 20877 | Gaithersburg | Maryland | 1,170 | $17,620 | $15,060 |
| 21122 | Pasadena | Maryland | 2,850 | $42,875 | $15,044 |
| 21084 | Jarrettsville | Maryland | 530 | $7,973 | $15,043 |
| 21701 | Frederick | Maryland | 1,830 | $27,431 | $14,990 |
| 21211 | Baltimore | Maryland | 600 | $8,962 | $14,937 |
| 21635 | Galena | Maryland | 150 | $2,237 | $14,913 |
| 21114 | Crofton | Maryland | 1,070 | $15,930 | $14,888 |
| 20876 | Germantown | Maryland | 620 | $9,228 | $14,884 |
| 20692 | Valley Lee | Maryland | 50 | $743 | $14,860 |
| 20874 | Germantown | Maryland | 1,380 | $20,412 | $14,791 |
| 21075 | Elkridge | Maryland | 860 | $12,709 | $14,778 |
| 21015 | Bel Air | Maryland | 1,620 | $23,871 | $14,735 |
| 21921 | Elkton | Maryland | 1,750 | $25,743 | $14,710 |
| 21078 | Havre De Grace | Maryland | 980 | $14,374 | $14,667 |
| 21769 | Middletown | Maryland | 690 | $10,119 | $14,665 |
| 21054 | Gambrills | Maryland | 710 | $10,395 | $14,641 |
| 20754 | Dunkirk | Maryland | 390 | $5,709 | $14,638 |
| 20906 | Silver Spring | Maryland | 4,220 | $61,751 | $14,633 |
| 20732 | Chesapeake Beach | Maryland | 360 | $5,245 | $14,569 |
| 21613 | Cambridge | Maryland | 780 | $11,356 | $14,559 |
| 20639 | Huntingtown | Maryland | 700 | $10,154 | $14,506 |
| 21050 | Forest Hill | Maryland | 1,270 | $18,357 | $14,454 |
| 20603 | Waldorf | Maryland | 680 | $9,814 | $14,432 |
| 21625 | Cordova | Maryland | 110 | $1,587 | $14,427 |
| 21014 | Bel Air | Maryland | 2,480 | $35,747 | $14,414 |
| 20736 | Owings | Maryland | 470 | $6,746 | $14,353 |
| 20690 | Tall Timbers | Maryland | 40 | $574 | $14,350 |
| 21813 | Bishopville | Maryland | 190 | $2,723 | $14,332 |
| 21773 | Myersville | Maryland | 330 | $4,727 | $14,324 |
| 20744 | Fort Washington | Maryland | 1,870 | $26,767 | $14,314 |
| 20676 | Port Republic | Maryland | 170 | $2,430 | $14,294 |
| 21217 | Baltimore | Maryland | 390 | $5,531 | $14,182 |
| 21702 | Frederick | Maryland | 1,820 | $25,727 | $14,136 |
| 20912 | Takoma Park | Maryland | 630 | $8,905 | $14,135 |
| 21784 | Sykesville | Maryland | 2,240 | $31,627 | $14,119 |
| 21228 | Catonsville | Maryland | 3,320 | $46,865 | $14,116 |
| 20901 | Silver Spring | Maryland | 1,440 | $20,321 | $14,112 |
| 20902 | Silver Spring | Maryland | 1,630 | $22,999 | $14,110 |
| 20879 | Gaithersburg | Maryland | 590 | $8,301 | $14,069 |
| 20657 | Lusby | Maryland | 650 | $9,115 | $14,023 |
| 20772 | Upper Marlboro | Maryland | 1,340 | $18,720 | $13,970 |
| 20674 | Piney Point | Maryland | 60 | $837 | $13,950 |
| 21822 | Eden | Maryland | 100 | $1,390 | $13,900 |
| 21074 | Hampstead | Maryland | 930 | $12,918 | $13,890 |
| 20872 | Damascus | Maryland | 540 | $7,493 | $13,876 |
| 21821 | Deal Island | Maryland | 40 | $554 | $13,850 |
| 21090 | Linthicum Heights | Maryland | 640 | $8,863 | $13,848 |
| 21053 | Freeland | Maryland | 220 | $3,020 | $13,727 |
| 20653 | Lexington Park | Maryland | 470 | $6,450 | $13,723 |
| 21201 | Baltimore | Maryland | 230 | $3,155 | $13,717 |
| 20774 | Upper Marlboro | Maryland | 1,440 | $19,729 | $13,701 |
| 20646 | La Plata | Maryland | 940 | $12,861 | $13,682 |
| 21017 | Belcamp | Maryland | 200 | $2,719 | $13,595 |
| 21102 | Manchester | Maryland | 680 | $9,240 | $13,588 |
| 20708 | Laurel | Maryland | 620 | $8,423 | $13,585 |
| 20615 | Broomes Island | Maryland | 30 | $406 | $13,533 |
| 20650 | Leonardtown | Maryland | 590 | $7,967 | $13,503 |
| 20607 | Accokeek | Maryland | 350 | $4,720 | $13,486 |
| 21076 | Hanover | Maryland | 430 | $5,791 | $13,467 |
| 21161 | White Hall | Maryland | 370 | $4,978 | $13,454 |
| 21915 | Chesapeake City | Maryland | 210 | $2,820 | $13,429 |
| 21028 | Churchville | Maryland | 230 | $3,076 | $13,374 |
| 21665 | Sherwood | Maryland | 20 | $267 | $13,350 |
| 21676 | Wittman | Maryland | 30 | $400 | $13,333 |
| 21755 | Jefferson | Maryland | 320 | $4,255 | $13,297 |
| 21550 | Oakland | Maryland | 660 | $8,760 | $13,273 |
| 20613 | Brandywine | Maryland | 450 | $5,972 | $13,271 |
| 21158 | Westminster | Maryland | 1,320 | $17,518 | $13,271 |
| 21561 | Swanton | Maryland | 190 | $2,514 | $13,232 |
| 21144 | Severn | Maryland | 1,120 | $14,765 | $13,183 |
| 21758 | Knoxville | Maryland | 180 | $2,372 | $13,178 |
| 21612 | Bozman | Maryland | 50 | $658 | $13,160 |
| 21128 | Perry Hall | Maryland | 850 | $11,162 | $13,132 |
| 21157 | Westminster | Maryland | 2,210 | $28,941 | $13,095 |
| 21787 | Taneytown | Maryland | 680 | $8,893 | $13,078 |
| 20715 | Bowie | Maryland | 1,500 | $19,604 | $13,069 |
| 21219 | Sparrows Point | Maryland | 490 | $6,367 | $12,994 |
| 21757 | Keymar | Maryland | 130 | $1,682 | $12,938 |
| 21795 | Williamsport | Maryland | 610 | $7,874 | $12,908 |
| 20695 | White Plains | Maryland | 400 | $5,139 | $12,848 |
| 20619 | California | Maryland | 410 | $5,267 | $12,846 |
| 20782 | Hyattsville | Maryland | 620 | $7,956 | $12,832 |
| 21917 | Colora | Maryland | 110 | $1,411 | $12,827 |
| 21132 | Pylesville | Maryland | 160 | $2,052 | $12,825 |
| 20617 | Bryantown | Maryland | 70 | $896 | $12,800 |
| 20705 | Beltsville | Maryland | 800 | $10,229 | $12,786 |
| 20716 | Bowie | Maryland | 690 | $8,808 | $12,765 |
| 20745 | Oxon Hill | Maryland | 490 | $6,247 | $12,749 |
| 20733 | Churchton | Maryland | 130 | $1,649 | $12,685 |
| 20678 | Prince Frederick | Maryland | 400 | $5,069 | $12,673 |
| 21703 | Frederick | Maryland | 1,130 | $14,321 | $12,673 |
| 21776 | New Windsor | Maryland | 310 | $3,916 | $12,632 |
| 21804 | Salisbury | Maryland | 1,620 | $20,462 | $12,631 |
| 21903 | Perryville | Maryland | 220 | $2,775 | $12,614 |
| 20737 | Riverdale | Maryland | 290 | $3,649 | $12,583 |
| 21034 | Darlington | Maryland | 190 | $2,390 | $12,579 |
| 20751 | Deale | Maryland | 120 | $1,506 | $12,550 |
| 21623 | Church Hill | Maryland | 70 | $878 | $12,543 |
| 20601 | Waldorf | Maryland | 690 | $8,645 | $12,529 |
| 21779 | Rohrersville | Maryland | 50 | $626 | $12,520 |
| 21875 | Delmar | Maryland | 280 | $3,498 | $12,493 |
| 20735 | Clinton | Maryland | 1,110 | $13,844 | $12,472 |
| 21874 | Willards | Maryland | 90 | $1,121 | $12,456 |
| 21788 | Thurmont | Maryland | 650 | $8,028 | $12,351 |
| 20707 | Laurel | Maryland | 1,150 | $14,171 | $12,323 |
| 21237 | Rosedale | Maryland | 1,130 | $13,900 | $12,301 |
| 21009 | Abingdon | Maryland | 1,130 | $13,875 | $12,279 |
| 21224 | Baltimore | Maryland | 1,100 | $13,492 | $12,265 |
| 20659 | Mechanicsville | Maryland | 700 | $8,542 | $12,203 |
| 21629 | Denton | Maryland | 430 | $5,238 | $12,181 |
| 20609 | Avenue | Maryland | 40 | $485 | $12,125 |
| 21502 | Cumberland | Maryland | 1,920 | $23,278 | $12,124 |
| 21220 | Middle River | Maryland | 1,460 | $17,664 | $12,099 |
| 21113 | Odenton | Maryland | 1,160 | $13,956 | $12,031 |
| 21236 | Nottingham | Maryland | 2,090 | $25,129 | $12,023 |
| 21060 | Glen Burnie | Maryland | 1,180 | $14,175 | $12,013 |