As per the Census 2011, the total rural population of Himachal Pradesh is

61,67,805
72,61,805
14,20,864
61,82,420

The correct answer is A. 61,67,805.

As per the Census 2011, the total population of Himachal Pradesh is 68,64,602. Out of this, the rural population is 61,67,805 and the urban population is 7,06,897.

Option B is incorrect because it is the total population of Himachal Pradesh.

Option C is incorrect because it is the rural population of Himachal Pradesh in 2001.

Option D is incorrect because it is the urban population of Himachal Pradesh.