Soku has a land area of 540,302 sq. miles (~1,399,375 sq. km) and a total area of 611,115 sq. miles (~1,582,780 sq. km).
A good way to visualize the size is to think of a country slightly smaller than the state of Alaska.
According to the 2015 census, the total population of Soku is 932,434.
The population is divided by the five states as follows:
State: Sosae
Percent of Soku Population: 30.670052786%
Residents: 285,978
State: Menae
Percent of Soku Population: 11.389975054%
Residents: 106,204
State: Calina
Percent of Soku Population: 18.329983677%
Residents: 170,915
State: Eutesk
Percent of Soku Population: 21.669951975%
Residents: 202,058
State: Fanin
Percent of Soku Population: 17.940036506%
Residents: 167,279
State: All
Percent of Soku Population: 99.999999998%
Residents: 932,434
As far as influence goes, Soku is very focused on internal affairs and doesn't often get involved in international conflicts.
While we are considered hermits on the global scale, we tend to think of ourselves as very powerful in our local area.
(You can find the information about population division in Soku in my Factbook entry on the topic.)








