[Table] header: Administrative County | Area (statute acres) 1891 | Population 1891 | Area (statute acres) 1961 | Population 1961 | Headquarters row 1 : Bedfordshire | 298,494 | 160,704 | 302,940 | 380,837 | Bedford
row 2 : Berkshire | 455,864 | 176,109 | 454,726 | 385,017 | Reading
row 3 : Buckinghamshire | 475,694 | 185,284 | 479,405 | 488,233 | Aylesbury
row 4 : Cambridgeshire | 310,306 | 121,961 | 315,166 | 190,384 | Cambridge
row 5 : Cheshire | 646,627 | 536,644 | 621,884 | 475,313 | Chester
row 6 : Cornwall | 868,208 | 322,571 | 868,260 | 342,301 | Truro
row 7 : Cumberland | 970,161 | 266,549 | 967,054 | 223,202 | Carlisle
row 8 : Derbyshire | 654,100 | 426,768 | 635,459 | 745,212 | Derby until 1958, Matlock thereafter
row 9 : Devon | 1,661,914 | 455,353 | 1,649,434 | 539,021 | Exeter
row 10 : Dorset | 632,272 | 194,517 | 633,745 | 313,460 | Dorchester
row 11 : Durham | 639,436 | 721,461 | 620,278 | 951,956 | Durham
row 12 : Essex | 980,839 | 579,355 | 959,755 | 1,859,916 | Chelmsford
row 13 : Gloucestershire | 790,833 | 384,552 | 773,295 | 494,885 | Gloucester
row 14 : Hampshire | 938,098 | 386,849 | 929,951 | 762,599 | Winchester
row 15 : Herefordshire | 537,363 | 115,949 | 538,924 | 130,928 | Hereford
row 16 : Hertfordshire | 406,932 | 224,550 | 404,525 | 832,901 | Hertford
row 17 : Huntingdonshire | 233,928 | 54,969 | 233,985 | 79,924 | Huntingdon
row 18 : Isle of Ely | 239,259 | 63,861 | 239,951 | 89,180 | March
row 19 : Isle of Wight | 93,342 | 78,672 | 94,142 | 95,752 | Newport
row 20 : Kent | 971,849 | 785,674 | 971,125 | 1,671,436 | Maidstone
row 21 : Lancashire | 1,124,450 | 1,768,278 | 1,060,804 | 2,280,359 | Preston
row 22 : Leicestershire | 520,400 | 200,468 | 515,404 | 409,098 | Leicester until 1967, Glenfield thereafter
row 23 : Lincolnshire – Parts of Holland | 255,252 | 75,522 | 267,847 | 103,327 | Boston
row 24 : Lincolnshire – Parts of Kesteven | 471,749 | 105,910 | 462,100 | 134,842 | Sleaford
row 25 : Lincolnshire – Parts of Lindse | 961,327 | 199,095 | 961,038 | 505,427 | Lincoln
row 26 : London | 75,442 | 4,232,118 | 74,903 | 3,200,484 | Spring Gardens until 1933, Lambeth thereafter
row 27 : Middlesex | 149,046 | 560,012 | 148,691 | 2,234,543 | Westminster
row 28 : Monmouthshire | 342,548 | 203,347 | 339,008 | 336,566 | Newport
row 29 : Norfolk | 1,303,967 | 317,983 | 1,302,505 | 388,005 | Norwich
row 30 : Northamptonshire | 584,759 | 203,247 | 578,947 | 292,584 | Northampton
row 31 : Northumberland | 1,284,385 | 319,730 | 1,276,266 | 481,474 | Newcastle-upon-Tyne
row 32 : Nottinghamshire | 528,817 | 231,946 | 521,647 | 591,089 | Nottingham until 1959, West Bridgford thereafter
row 33 : Oxfordshire | 480,608 | 145,149 | 470,390 | 203,161 | Oxford
row 34 : Rutland | 97,273 | 20,659 | 97,273 | 23,504 | Oakham
row 35 : Shropshire | 859,516 | 236,339 | 861,800 | 297,466 | Shrewsbury
row 36 : Soke of Peterborough | 53,471 | 35,249 | 53,465 | 74,758 | Peterborough
row 37 : Somerset | 1,039,106 | 386,866 | 1,026,043 | 518,145 | Taunton
row 38 : Staffordshire | 731,089 | 818,290 | 685,250 | 983,758 | Stafford
row 39 : East Suffolk | 549,744 | 183,478 | 547,397 | 219,759 | Ipswich
row 40 : West Suffolk | 389,870 | 120,952 | 390,915 | 128,918 | Bury St Edmunds
row 41 : Surrey | 452,218 | 418,856 | 449,160 | 1,478,841 | Newington , moved to Kingston upon Thames in
row 42 : East Sussex | 525,904 | 240,264 | 494,580 | 375,349 | Lewes
row 43 : West Sussex | 389,870 | 120,952 | 405,351 | 411,613 | Chichester
row 44 : Warwickshire | 562,797 | 307,193 | 558,684 | 612,768 | Warwick
row 45 : Westmorland | 500,906 | 66,098 | 504,917 | 67,180 | Kendal
row 46 : Wiltshire | 880,248 | 264,997 | 860,607 | 422,985 | Trowbridge
row 47 : Worcestershire | 473,542 | 296,661 | 514,341 | 441,069 | Worcester
row 48 : Yorkshire – East Riding | 741,827 | 141,516 | 735,963 | 224,031 | Beverley
row 49 : Yorkshire – North Riding | 1,358,101 | 284,837 | 1,376,607 | 396,707 | Northallerton
row 50 : Yorkshire – West Riding | 1,701,386 | 1,351,570 | 1,606,921 | 1,678,010 | Wakefield [/Table] Answer this question based on the above table: What is the Population n1891 of the County with Sleaford Headquarters?

Answer: 105910.0