Alda is a village in Hall County, Nebraska, United States. The population was 642 at the 2010 census. It is part of the Grand Island, Nebraska Micropolitan Statistical Area. The Alda area was first settled in 1859. The village has the name of the first white child born within its borders. The town of Alda moved to its current site in 1873 in order to be on the raiā¦Alda is a village in Hall County, Nebraska, United States. The population was 642 at the 2010 census. It is part of the Grand Island, Nebraska Micropolitan Statistical Area. The Alda area was first settled in 1859. The village has the name of the first white child born within its borders. The town of Alda moved to its current site in 1873 in order to be on the railroad.