|  |  | 
 2
 Private households and persons per private household, by county. 1960, 1970, 1980, 1990, 2001 and 2011
 |  | 
 | County | Number of private households | Persons per private household | 
 | 1960 | 1970 | 1980 | 1990 | 2001 | 2011 | 1960 | 1970 | 1980 | 1990 | 2001 | 2011 | 
 |  | 
 | The whole country | 1 077 168 | 1 296 734 | 1 523 508 | 1 751 363 | 1 961 548 | 2 201 787 | 3.3 | 2.9 | 2.7 | 2.4 | 2.3 | 2.2 | 
 |  |  |  |  |  |  |  |  |  |  |  |  |  | 
 | Østfold | 65 430 | 76 033 | 87 389 | 99 070 | 111 147 | 123 435 | 3.1 | 2.9 | 2.6 | 2.4 | 2.3 | 2.2 | 
 | Akershus | 72 224 | 104 015 | 131 371 | 166 542 | 195 008 | 229 926 | 3.2 | 3.1 | 2.8 | 2.5 | 2.4 | 2.4 | 
 | Oslo | 169 648 | 196 463 | 222 291 | 244 440 | 266 856 | 312 967 | 2.7 | 2.4 | 2.0 | 1.9 | 1.9 | 1.9 | 
 | Hedmark | 51 921 | 59 539 | 68 900 | 76 203 | 82 710 | 86 880 | 3.4 | 3.0 | 2.7 | 2.4 | 2.3 | 2.2 | 
 | Oppland | 48 536 | 56 708 | 64 897 | 72 988 | 79 437 | 83 716 | 3.4 | 3.0 | 2.7 | 2.5 | 2.3 | 2.2 | 
 | Buskerud | 59 198 | 69 395 | 80 742 | 92 689 | 104 325 | 116 599 | 3.0 | 2.8 | 2.6 | 2.4 | 2.3 | 2.2 | 
 | Vestfold | 50 952 | 59 650 | 69 736 | 81 866 | 94 339 | 105 419 | 3.1 | 2.9 | 2.6 | 2.4 | 2.3 | 2.2 | 
 | Telemark | 46 820 | 53 734 | 60 506 | 66 982 | 72 796 | 76 615 | 3.1 | 2.9 | 2.6 | 2.4 | 2.3 | 2.2 | 
 | Aust-Agder | 23 235 | 26 661 | 32 233 | 37 493 | 42 633 | 47 540 | 3.3 | 3.0 | 2.8 | 2.6 | 2.4 | 2.3 | 
 | Vest-Agder | 32 136 | 40 097 | 48 101 | 56 521 | 65 059 | 74 347 | 3.3 | 3.0 | 2.8 | 2.5 | 2.4 | 2.3 | 
 | Rogaland1 | 69 035 | 84 555 | 105 155 | 130 239 | 153 026 | 182 720 | 3.4 | 3.1 | 2.9 | 2.6 | 2.5 | 2.4 | 
 | Hordaland1 | 99 584 | 121 435 | 139 961 | 164 189 | 183 971 | 212 094 | 3.4 | 3.0 | 2.8 | 2.5 | 2.4 | 2.3 | 
 | Sogn og Fjordane | 25 166 | 29 809 | 34 875 | 38 908 | 42 867 | 44 238 | 3.9 | 3.3 | 3.0 | 2.7 | 2.5 | 2.4 | 
 | Møre og Romsdal | 58 438 | 69 984 | 79 953 | 88 988 | 99 671 | 107 908 | 3.6 | 3.2 | 2.9 | 2.6 | 2.4 | 2.3 | 
 | Sør-Trøndelag | 60 691 | 77 127 | 90 815 | 103 099 | 115 766 | 133 322 | 3.4 | 3.0 | 2.7 | 2.4 | 2.3 | 2.2 | 
 | Nord-Trøndelag | 31 799 | 36 307 | 42 873 | 47 983 | 52 550 | 56 124 | 3.6 | 3.2 | 2.9 | 2.6 | 2.4 | 2.3 | 
 | Nordland | 62 644 | 73 669 | 85 858 | 95 358 | 102 229 | 105 095 | 3.7 | 3.2 | 2.8 | 2.5 | 2.3 | 2.2 | 
 | Troms Romsa | 32 165 | 39 810 | 51 043 | 58 250 | 65 259 | 70 315 | 3.9 | 3.4 | 2.9 | 2.5 | 2.3 | 2.2 | 
 | Finnmark Finnmárku | 17 546 | 21 743 | 26 809 | 29 556 | 31 899 | 32 527 | 4.0 | 3.4 | 2.9 | 2.5 | 2.3 | 2.2 | 
 |  |