Currently the distribution of seats for both houses was based on a court interpretation of the federal 1960 census.

It resulted in a large shift in membership numbers to the New Castle County area and ruling that the election districts would abandonment of county lines for their boundaries, but could design whatever district boundaries that would accomplish such population equals.

[citation needed] In the 123rd Delaware General Assembly session both chambers had a Democratic majority.

They were designed for equal populations from all districts and its accomplishment occasionally included some territory from two counties.

They were designed for equal populations from all districts and its accomplishment occasionally included some territory from two counties.