| Contents |
| Major cities and towns |
| Administrative division |
| External links |
| 'City, town ' | 'Population (as of 31st December 2005)' | 'Coat of arms' |
| 'Total population' | '1432505' | |
| ''Urban population'' | ''852611'' | - |
| Olsztyn | ''168431'' | |
| ElblÄ…g | 127415 | |
| Ełk | 55793 | |
| Ostróda | 33545 | |
| Iława | 32356 | |
| Giżycko | 29591 | |
| Kętrzyn | 28314 | |
| Szczytno | 25732 | |
| Bartoszyce | 25640 | |
| Source: Regional Data Bank, data as of 31st December 2005 | ||
| 'Coat of arms' | 'County' | 'Polish name' | 'Capital' | 'Area sq km' | 'Population' | 'Urban population' | 'Towns' | 'Population density inhab. per sq km' |
| 'Land counties - powiaty ziemskie' | ||||||||
| Bartoszyce | powiat bartoszycki | Bartoszyce | 1308 | 62398 | 34829 | 4 | 47,7 | |
| Braniewo | powiat braniewski | Braniewo | 1205 | 44396 | 23454 | 3 | 36,8 | |
| Działdowo | powiat działdowski | Działdowo | 953 | 65962 | 29306 | 2 | 69,2 | |
| ElblÄ…g | powiat elblÄ…ski | ElblÄ…g | 1431 | 57153 | 16874 | 3 | 39,9 | |
| Ełk | powiat ełcki | Ełk | 1112 | 84831 | 55793 | 1 | 76,3 | |
| Giżycko | powiat giżycki | Giżycko | 1119 | 57280 | 32649 | 2 | 51,2 | |
| Gołdap | powiat gołdapski | Gołdap | 772 | 27426 | 13590 | 1 | 35,5 | |
| Iława | powiat iławski | Iława | 1385 | 90624 | 51744 | 5 | 65,4 | |
| Kętrzyn | powiat kętrzyński | Kętrzyn | 1213 | 67343 | 38238 | 3 | 55,5 | |
| Lidzbark | powiat lidzbarski | Lidzbark | 924 | 43531 | 26006 | 2 | 47,1 | |
| MrÄ…gowo | powiat mrÄ…gowski | MrÄ…gowo | 1065 | 50606 | 25626 | 2 | 47,5 | |
| Nidzica | powiat nidzicki | Nidzica | 961 | 34391 | 14950 | 1 | 35,8 | |
| Nowe Miasto Lubawskie | powiat nowomiejski | Nowe Miasto Lubawskie | 695 | 43971 | 10858 | 1 | 63,3 | |
| Olecko | powiat olecki | Olecko | 874 | 34738 | 16149 | 1 | 39,7 | |
| Olsztyn | powiat olsztyński | Olsztyn | 2840 | 113433 | 39184 | 5 | 39,9 | |
| Ostróda | powiat ostródzki | Ostróda | 1765 | 106273 | 53054 | 4 | 60,2 | |
| Pisz | powiat piski | Pisz | 1776 | 58152 | 34370 | 4 | 32,7 | |
| Szczytno | powiat szczycieński | Szczytno | 1933 | 69990 | 28273 | 2 | 36,2 | |
| Węgorzewo | powiat węgorzewski | Węgorzewo | 693 | 24161 | 11818 | 1 | 34,9 | |
| 'City counties - powiaty grodzkie' | ||||||||
| ElblÄ…g | powiat elblÄ…ski | ElblÄ…g | 80 | 127415 | 127415 | 1 | 1592,7 | |
| Olsztyn | powiat olsztyński | Olsztyn | 88 | 168431 | 168431 | 1 | 1914,0 | |
| Source: Regional Data Bank, data as of 31st December 2005 | ||||||||