Balsiai is a village in Kėdainiai district municipality, Kaunas County, central Lithuania. According to the 2011 census, only 1 person lives in the village. It is located 3.5 km from Gudžiūnai and is by the Mairiškiai-Gudžiūnai road.

Historical population

Year Pop. ±% p.a. 1959 139 —     1970 61 −7.21% 1979 21 −11.17%	Year Pop. ±% p.a. 1989 4 −15.28% 2001 6 +3.44% 2011 1 −16.40%
Source: 1923, 1959 & 1970, 1979, 1989, 2001, 2011