| Zip code | City | State | Number of returns | Total income ($1000) | Avg income/return |
| 20016 | Washington | District of Columbia | 14,210 | $3,184,768 | $224,122 |
| 20007 | Washington | District of Columbia | 12,460 | $2,717,428 | $218,092 |
| 20015 | Washington | District of Columbia | 7,780 | $1,542,738 | $198,295 |
| 20008 | Washington | District of Columbia | 16,530 | $2,757,636 | $166,826 |
| 20006 | Washington | District of Columbia | 640 | $106,238 | $165,997 |
| 20037 | Washington | District of Columbia | 4,790 | $704,770 | $147,134 |
| 20004 | Washington | District of Columbia | 1,020 | $145,014 | $142,171 |
| 20036 | Washington | District of Columbia | 3,700 | $444,604 | $120,163 |
| 20003 | Washington | District of Columbia | 14,980 | $1,519,724 | $101,450 |
| 20005 | Washington | District of Columbia | 7,830 | $773,169 | $98,744 |
| 20009 | Washington | District of Columbia | 31,180 | $2,769,945 | $88,837 |
| 20012 | Washington | District of Columbia | 7,520 | $629,100 | $83,657 |
| 20001 | Washington | District of Columbia | 23,890 | $1,718,003 | $71,913 |
| 20024 | Washington | District of Columbia | 7,270 | $506,656 | $69,691 |
| 20002 | Washington | District of Columbia | 31,080 | $2,082,653 | $67,009 |
| 20017 | Washington | District of Columbia | 9,430 | $546,867 | $57,992 |
| 20010 | Washington | District of Columbia | 18,800 | $1,051,829 | $55,948 |
| 20018 | Washington | District of Columbia | 9,230 | $506,009 | $54,822 |
| 20011 | Washington | District of Columbia | 36,150 | $1,884,780 | $52,138 |
| 20020 | Washington | District of Columbia | 23,370 | $868,163 | $37,149 |
| 20019 | Washington | District of Columbia | 26,550 | $914,774 | $34,455 |
| 20032 | Washington | District of Columbia | 15,550 | $507,513 | $32,637 |