| Zip Code | City / Town | State | Returns | Total ($1000) | Avg/return |
| 20854 | Potomac | Maryland | 4,650 | $100,678 | $21,651 |
| 20812 | Glen Echo | Maryland | 30 | $641 | $21,367 |
| 20839 | Beallsville | Maryland | 20 | $427 | $21,350 |
| 21663 | Saint Michaels | Maryland | 560 | $11,915 | $21,277 |
| 21662 | Royal Oak | Maryland | 130 | $2,684 | $20,646 |
| 20862 | Brinklow | Maryland | 50 | $1,019 | $20,380 |
| 20815 | Chevy Chase | Maryland | 3,280 | $66,009 | $20,125 |
| 20817 | Bethesda | Maryland | 3,220 | $63,816 | $19,819 |
| 21210 | Baltimore | Maryland | 1,200 | $23,775 | $19,813 |
| 21654 | Oxford | Maryland | 280 | $5,457 | $19,489 |
| 20816 | Bethesda | Maryland | 1,620 | $31,328 | $19,338 |
| 21131 | Phoenix | Maryland | 710 | $13,540 | $19,070 |
| 20838 | Barnesville | Maryland | 40 | $757 | $18,925 |
| 21794 | West Friendship | Maryland | 150 | $2,824 | $18,827 |
| 21658 | Queenstown | Maryland | 400 | $7,518 | $18,795 |
| 20833 | Brookeville | Maryland | 520 | $9,726 | $18,704 |
| 21029 | Clarksville | Maryland | 540 | $10,030 | $18,574 |
| 21013 | Baldwin | Maryland | 510 | $9,437 | $18,504 |
| 21738 | Glenwood | Maryland | 250 | $4,613 | $18,452 |
| 20882 | Gaithersburg | Maryland | 980 | $17,962 | $18,329 |
| 21035 | Davidsonville | Maryland | 690 | $12,584 | $18,238 |
| 20814 | Bethesda | Maryland | 2,340 | $42,575 | $18,194 |
| 21111 | Monkton | Maryland | 490 | $8,906 | $18,176 |
| 21042 | Ellicott City | Maryland | 3,000 | $54,086 | $18,029 |
| 20777 | Highland | Maryland | 270 | $4,829 | $17,885 |
| 21718 | Burkittsville | Maryland | 20 | $356 | $17,800 |
| 20855 | Derwood | Maryland | 1,070 | $19,013 | $17,769 |
| 21638 | Grasonville | Maryland | 390 | $6,892 | $17,672 |
| 21057 | Glen Arm | Maryland | 520 | $9,126 | $17,550 |
| 21665 | Sherwood | Maryland | 40 | $700 | $17,500 |
| 21093 | Lutherville Timonium | Maryland | 4,670 | $81,130 | $17,373 |
| 20861 | Ashton | Maryland | 190 | $3,298 | $17,358 |
| 21036 | Dayton | Maryland | 170 | $2,949 | $17,347 |
| 20878 | Gaithersburg | Maryland | 2,990 | $51,789 | $17,321 |
| 21208 | Pikesville | Maryland | 4,000 | $69,190 | $17,298 |
| 21044 | Columbia | Maryland | 2,960 | $51,166 | $17,286 |
| 21671 | Tilghman | Maryland | 120 | $2,074 | $17,283 |
| 20759 | Fulton | Maryland | 290 | $4,990 | $17,207 |
| 20852 | Rockville | Maryland | 3,010 | $51,767 | $17,198 |
| 20905 | Silver Spring | Maryland | 1,370 | $23,555 | $17,193 |
| 21146 | Severna Park | Maryland | 2,450 | $42,030 | $17,155 |
| 20645 | Issue | Maryland | 120 | $2,058 | $17,150 |
| 21209 | Baltimore | Maryland | 2,080 | $35,652 | $17,140 |
| 20690 | Tall Timbers | Maryland | 70 | $1,199 | $17,129 |
| 20841 | Boyds | Maryland | 330 | $5,649 | $17,118 |
| 20818 | Cabin John | Maryland | 160 | $2,732 | $17,075 |
| 21030 | Cockeysville | Maryland | 1,760 | $30,039 | $17,068 |
| 21737 | Glenelg | Maryland | 120 | $2,044 | $17,033 |
| 20850 | Rockville | Maryland | 2,810 | $47,815 | $17,016 |
| 21286 | Towson | Maryland | 1,970 | $33,398 | $16,953 |
| 21204 | Towson | Maryland | 1,840 | $31,136 | $16,922 |
| 21104 | Marriottsville | Maryland | 380 | $6,406 | $16,858 |
| 20630 | Drayden | Maryland | 40 | $674 | $16,850 |
| 21012 | Arnold | Maryland | 1,640 | $27,581 | $16,818 |
| 21401 | Annapolis | Maryland | 4,180 | $69,999 | $16,746 |
| 21140 | Riva | Maryland | 340 | $5,676 | $16,694 |
| 21612 | Bozman | Maryland | 80 | $1,335 | $16,688 |
| 20853 | Rockville | Maryland | 2,180 | $36,348 | $16,673 |
| 21409 | Annapolis | Maryland | 1,620 | $26,969 | $16,648 |
| 21047 | Fallston | Maryland | 1,270 | $21,095 | $16,610 |
| 20832 | Olney | Maryland | 1,490 | $24,709 | $16,583 |
| 20895 | Kensington | Maryland | 1,390 | $23,017 | $16,559 |
| 21645 | Kennedyville | Maryland | 100 | $1,644 | $16,440 |
| 21678 | Worton | Maryland | 200 | $3,285 | $16,425 |
| 20779 | Tracys Landing | Maryland | 130 | $2,135 | $16,423 |
| 21082 | Hydes | Maryland | 100 | $1,641 | $16,410 |
| 21679 | Wye Mills | Maryland | 50 | $817 | $16,340 |
| 20686 | Saint Marys City | Maryland | 60 | $978 | $16,300 |
| 21032 | Crownsville | Maryland | 790 | $12,870 | $16,291 |
| 20842 | Dickerson | Maryland | 180 | $2,906 | $16,144 |
| 21617 | Centreville | Maryland | 880 | $14,206 | $16,143 |
| 21601 | Easton | Maryland | 2,590 | $41,806 | $16,141 |
| 20837 | Poolesville | Maryland | 350 | $5,622 | $16,063 |
| 21045 | Columbia | Maryland | 2,410 | $38,548 | $15,995 |
| 21797 | Woodbine | Maryland | 640 | $10,217 | $15,964 |
| 21046 | Columbia | Maryland | 810 | $12,885 | $15,907 |
| 21403 | Annapolis | Maryland | 2,670 | $42,389 | $15,876 |
| 21676 | Wittman | Maryland | 40 | $632 | $15,800 |
| 21212 | Baltimore | Maryland | 1,890 | $29,825 | $15,780 |
| 21620 | Chestertown | Maryland | 1,430 | $22,466 | $15,710 |
| 20769 | Glenn Dale | Maryland | 390 | $6,124 | $15,703 |
| 21163 | Woodstock | Maryland | 620 | $9,723 | $15,682 |
| 21152 | Sparks Glencoe | Maryland | 460 | $7,199 | $15,650 |
| 21769 | Middletown | Maryland | 870 | $13,551 | $15,576 |
| 20676 | Port Republic | Maryland | 250 | $3,883 | $15,532 |
| 21084 | Jarrettsville | Maryland | 690 | $10,713 | $15,526 |
| 20606 | Abell | Maryland | 20 | $310 | $15,500 |
| 21710 | Adamstown | Maryland | 380 | $5,884 | $15,484 |
| 21114 | Crofton | Maryland | 1,270 | $19,645 | $15,469 |
| 21647 | Mcdaniel | Maryland | 40 | $618 | $15,450 |
| 21840 | Nanticoke | Maryland | 50 | $772 | $15,440 |
| 21037 | Edgewater | Maryland | 1,610 | $24,845 | $15,432 |
| 20632 | Faulkner | Maryland | 30 | $462 | $15,400 |
| 20639 | Huntingtown | Maryland | 1,030 | $15,793 | $15,333 |
| 21087 | Kingsville | Maryland | 630 | $9,654 | $15,324 |
| 21619 | Chester | Maryland | 600 | $9,186 | $15,310 |
| 21774 | New Market | Maryland | 690 | $10,528 | $15,258 |
| 21120 | Parkton | Maryland | 610 | $9,301 | $15,248 |
| 20677 | Port Tobacco | Maryland | 210 | $3,200 | $15,238 |
| 20886 | Montgomery Village | Maryland | 1,470 | $22,363 | $15,213 |
| 21754 | Ijamsville | Maryland | 420 | $6,380 | $15,190 |
| 21136 | Reisterstown | Maryland | 2,040 | $30,964 | $15,178 |
| 20674 | Piney Point | Maryland | 80 | $1,213 | $15,163 |
| 20871 | Clarksburg | Maryland | 490 | $7,425 | $15,153 |
| 21108 | Millersville | Maryland | 1,360 | $20,605 | $15,151 |
| 21770 | Monrovia | Maryland | 380 | $5,744 | $15,116 |
| 21048 | Finksburg | Maryland | 870 | $13,081 | $15,036 |
| 20778 | West River | Maryland | 180 | $2,705 | $15,028 |
| 20860 | Sandy Spring | Maryland | 200 | $3,001 | $15,005 |
| 21043 | Ellicott City | Maryland | 2,190 | $32,704 | $14,933 |
| 21673 | Trappe | Maryland | 250 | $3,720 | $14,880 |
| 21028 | Churchville | Maryland | 330 | $4,908 | $14,873 |
| 20910 | Silver Spring | Maryland | 1,790 | $26,613 | $14,868 |
| 21666 | Stevensville | Maryland | 960 | $14,262 | $14,856 |
| 20689 | Sunderland | Maryland | 120 | $1,780 | $14,833 |
| 20623 | Cheltenham | Maryland | 170 | $2,515 | $14,794 |
| 21856 | Quantico | Maryland | 70 | $1,035 | $14,786 |
| 20872 | Damascus | Maryland | 690 | $10,200 | $14,783 |
| 21155 | Upperco | Maryland | 250 | $3,685 | $14,740 |
| 20904 | Silver Spring | Maryland | 4,150 | $61,152 | $14,735 |
| 20733 | Churchton | Maryland | 210 | $3,092 | $14,724 |
| 20776 | Harwood | Maryland | 310 | $4,560 | $14,710 |
| 21054 | Gambrills | Maryland | 970 | $14,266 | $14,707 |
| 21912 | Warwick | Maryland | 70 | $1,029 | $14,700 |
| 21132 | Pylesville | Maryland | 180 | $2,643 | $14,683 |
| 20868 | Spencerville | Maryland | 60 | $880 | $14,667 |
| 21053 | Freeland | Maryland | 270 | $3,960 | $14,667 |
| 21801 | Salisbury | Maryland | 1,560 | $22,871 | $14,661 |
| 20688 | Solomons | Maryland | 460 | $6,727 | $14,624 |
| 20879 | Gaithersburg | Maryland | 820 | $11,953 | $14,577 |
| 20721 | Bowie | Maryland | 1,930 | $28,119 | $14,569 |
| 21811 | Berlin | Maryland | 3,070 | $44,715 | $14,565 |
| 21771 | Mount Airy | Maryland | 1,970 | $28,669 | $14,553 |
| 20901 | Silver Spring | Maryland | 1,770 | $25,749 | $14,547 |
| 20650 | Leonardtown | Maryland | 860 | $12,499 | $14,534 |
| 21161 | White Hall | Maryland | 460 | $6,674 | $14,509 |
| 20866 | Burtonsville | Maryland | 500 | $7,244 | $14,488 |
| 21865 | Tyaskin | Maryland | 60 | $867 | $14,450 |
| 20723 | Laurel | Maryland | 1,050 | $15,167 | $14,445 |
| 21202 | Baltimore | Maryland | 440 | $6,347 | $14,425 |
| 21723 | Cooksville | Maryland | 60 | $865 | $14,417 |
| 21635 | Galena | Maryland | 200 | $2,880 | $14,400 |
| 20720 | Bowie | Maryland | 1,040 | $14,964 | $14,388 |
| 21117 | Owings Mills | Maryland | 2,630 | $37,833 | $14,385 |
| 21773 | Myersville | Maryland | 380 | $5,466 | $14,384 |
| 20754 | Dunkirk | Maryland | 620 | $8,911 | $14,373 |
| 21014 | Bel Air | Maryland | 3,100 | $44,376 | $14,315 |
| 21631 | East New Market | Maryland | 210 | $3,000 | $14,286 |
| 21755 | Jefferson | Maryland | 410 | $5,842 | $14,249 |
| 20877 | Gaithersburg | Maryland | 1,570 | $22,360 | $14,242 |
| 20876 | Germantown | Maryland | 700 | $9,958 | $14,226 |
| 21842 | Ocean City | Maryland | 1,290 | $18,242 | $14,141 |
| 20736 | Owings | Maryland | 680 | $9,613 | $14,137 |
| 21704 | Frederick | Maryland | 610 | $8,612 | $14,118 |
| 21677 | Woolford | Maryland | 70 | $987 | $14,100 |
| 20685 | Saint Leonard | Maryland | 420 | $5,917 | $14,088 |
| 20636 | Hollywood | Maryland | 680 | $9,550 | $14,044 |
| 20874 | Germantown | Maryland | 1,620 | $22,738 | $14,036 |
| 21076 | Hanover | Maryland | 630 | $8,842 | $14,035 |
| 21702 | Frederick | Maryland | 2,400 | $33,656 | $14,023 |
| 21634 | Fishing Creek | Maryland | 30 | $419 | $13,967 |
| 21218 | Baltimore | Maryland | 1,850 | $25,804 | $13,948 |
| 20621 | Chaptico | Maryland | 100 | $1,393 | $13,930 |
| 20715 | Bowie | Maryland | 2,090 | $29,082 | $13,915 |
| 21784 | Sykesville | Maryland | 2,760 | $38,396 | $13,912 |
| 21701 | Frederick | Maryland | 2,500 | $34,741 | $13,896 |
| 20751 | Deale | Maryland | 210 | $2,913 | $13,871 |
| 21050 | Forest Hill | Maryland | 1,450 | $20,099 | $13,861 |
| 20758 | Friendship | Maryland | 90 | $1,245 | $13,833 |
| 20657 | Lusby | Maryland | 980 | $13,546 | $13,822 |
| 20906 | Silver Spring | Maryland | 5,840 | $80,693 | $13,817 |
| 20626 | Coltons Point | Maryland | 30 | $414 | $13,800 |
| 21158 | Westminster | Maryland | 1,720 | $23,718 | $13,790 |
| 21090 | Linthicum Heights | Maryland | 850 | $11,701 | $13,766 |
| 20711 | Lothian | Maryland | 490 | $6,739 | $13,753 |
| 20675 | Pomfret | Maryland | 160 | $2,196 | $13,725 |
| 21659 | Rhodesdale | Maryland | 70 | $960 | $13,714 |
| 21613 | Cambridge | Maryland | 1,250 | $17,132 | $13,706 |
| 21157 | Westminster | Maryland | 2,780 | $38,072 | $13,695 |
| 21051 | Fork | Maryland | 30 | $410 | $13,667 |
| 21793 | Walkersville | Maryland | 730 | $9,971 | $13,659 |
| 20608 | Aquasco | Maryland | 60 | $819 | $13,650 |
| 21015 | Bel Air | Maryland | 2,010 | $27,420 | $13,642 |
| 20902 | Silver Spring | Maryland | 2,310 | $31,501 | $13,637 |
| 21915 | Chesapeake City | Maryland | 300 | $4,089 | $13,630 |
| 20684 | Saint Inigoes | Maryland | 110 | $1,498 | $13,618 |
| 21228 | Catonsville | Maryland | 4,330 | $58,894 | $13,601 |
| 21742 | Hagerstown | Maryland | 2,550 | $34,635 | $13,582 |
| 20607 | Accokeek | Maryland | 610 | $8,262 | $13,544 |
| 20646 | La Plata | Maryland | 1,510 | $20,386 | $13,501 |
| 21541 | Mc Henry | Maryland | 140 | $1,889 | $13,493 |
| 21727 | Emmitsburg | Maryland | 280 | $3,776 | $13,486 |
| 21122 | Pasadena | Maryland | 4,120 | $55,526 | $13,477 |
| 20764 | Shady Side | Maryland | 320 | $4,306 | $13,456 |
| 21075 | Elkridge | Maryland | 940 | $12,639 | $13,446 |
| 21661 | Rock Hall | Maryland | 260 | $3,491 | $13,427 |
| 21144 | Severn | Maryland | 1,790 | $24,008 | $13,412 |
| 21813 | Bishopville | Maryland | 250 | $3,349 | $13,396 |
| 21776 | New Windsor | Maryland | 430 | $5,750 | $13,372 |
| 20637 | Hughesville | Maryland | 370 | $4,927 | $13,316 |
| 21798 | Woodsboro | Maryland | 170 | $2,261 | $13,300 |
| 21625 | Cordova | Maryland | 170 | $2,260 | $13,294 |
| 20740 | College Park | Maryland | 970 | $12,870 | $13,268 |
| 20619 | California | Maryland | 590 | $7,825 | $13,263 |
| 21230 | Baltimore | Maryland | 1,050 | $13,910 | $13,248 |
| 20851 | Rockville | Maryland | 550 | $7,276 | $13,229 |
| 21231 | Baltimore | Maryland | 310 | $4,100 | $13,226 |
| 21005 | Aberdeen Proving Ground | Maryland | 20 | $264 | $13,200 |
| 20903 | Silver Spring | Maryland | 680 | $8,966 | $13,185 |
| 21128 | Perry Hall | Maryland | 980 | $12,911 | $13,174 |
| 21102 | Manchester | Maryland | 870 | $11,445 | $13,155 |
| 21863 | Snow Hill | Maryland | 400 | $5,259 | $13,148 |
| 20772 | Upper Marlboro | Maryland | 2,420 | $31,778 | $13,131 |
| 21154 | Street | Maryland | 460 | $6,037 | $13,124 |
| 21236 | Nottingham | Maryland | 2,660 | $34,879 | $13,112 |
| 20732 | Chesapeake Beach | Maryland | 550 | $7,206 | $13,102 |
| 20912 | Takoma Park | Maryland | 800 | $10,478 | $13,098 |
| 21078 | Havre De Grace | Maryland | 1,510 | $19,766 | $13,090 |
| 21921 | Elkton | Maryland | 2,490 | $32,591 | $13,089 |
| 21561 | Swanton | Maryland | 260 | $3,403 | $13,088 |
| 20617 | Bryantown | Maryland | 120 | $1,569 | $13,075 |
| 20707 | Laurel | Maryland | 1,630 | $21,300 | $13,067 |
| 21629 | Denton | Maryland | 630 | $8,212 | $13,035 |
| 20708 | Laurel | Maryland | 880 | $11,413 | $12,969 |
| 21787 | Taneytown | Maryland | 870 | $11,278 | $12,963 |
| 21162 | White Marsh | Maryland | 290 | $3,746 | $12,917 |
| 20692 | Valley Lee | Maryland | 100 | $1,291 | $12,910 |
| 21017 | Belcamp | Maryland | 280 | $3,613 | $12,904 |
| 21623 | Church Hill | Maryland | 130 | $1,677 | $12,900 |
| 20678 | Prince Frederick | Maryland | 700 | $9,026 | $12,894 |
| 21133 | Randallstown | Maryland | 1,780 | $22,913 | $12,872 |
| 21791 | Union Bridge | Maryland | 380 | $4,889 | $12,866 |
| 21113 | Odenton | Maryland | 1,540 | $19,812 | $12,865 |
| 21074 | Hampstead | Maryland | 1,050 | $13,502 | $12,859 |
| 21156 | Upper Falls | Maryland | 50 | $641 | $12,820 |
| 21733 | Fairplay | Maryland | 70 | $896 | $12,800 |
| 20601 | Waldorf | Maryland | 1,240 | $15,847 | $12,780 |
| 20705 | Beltsville | Maryland | 1,150 | $14,658 | $12,746 |
| 21869 | Vienna | Maryland | 70 | $892 | $12,743 |
| 21085 | Joppa | Maryland | 1,400 | $17,839 | $12,742 |
| 21901 | North East | Maryland | 970 | $12,356 | $12,738 |
| 21622 | Church Creek | Maryland | 50 | $636 | $12,720 |
| 21532 | Frostburg | Maryland | 920 | $11,680 | $12,696 |
| 20695 | White Plains | Maryland | 650 | $8,244 | $12,683 |
| 20744 | Fort Washington | Maryland | 4,090 | $51,703 | $12,641 |
| 21757 | Keymar | Maryland | 180 | $2,274 | $12,633 |
| 21009 | Abingdon | Maryland | 1,450 | $18,317 | $12,632 |
| 21160 | Whiteford | Maryland | 160 | $2,021 | $12,631 |
| 20664 | Newburg | Maryland | 210 | $2,646 | $12,600 |
| 21804 | Salisbury | Maryland | 2,300 | $28,981 | $12,600 |