According to data from the Kalugastat, the pre-population of Kaluga Region was 1,003,300 as of 01.01.2019.
Economically active population - 546,500 people.
Population density — 34.14 people per sq.km. However, there are considerable internal variances in territory development. The area with the highest density is the southern part of the Moscow agglomeration.
It includes Kaluga - 336,700 people, Obninsk - 118,200 Lyudinovo - 37,700, Maloyaroslavets - 27,400, Balabanovo - 25,800, Kirov - 30,300.