Which is NOT a legal requirement for single-member districts in Texas?

In Texas, single-member districts are designed to ensure fair representation in legislative bodies, and various legal requirements govern their formation. Among those requirements, population equality is essential to ensure that each district represents an approximately equal number of constituents. Contiguity is also required, which means that all parts of the district must be connected, ensuring that voters within a district have a shared geographical and communal identity. Compliance with the Voting Rights Act is critical to protect the voting rights of minority groups, ensuring that district drawings do not dilute their voting power.

Political party affiliation, however, is not a legal requirement for the formation of single-member districts. While political considerations often come into play during redistricting processes, the law does not dictate that districts must maintain any particular political party representation or affiliation. Thus, this aspect does not fall within the legal requirements that govern the creation and structuring of single-member districts in Texas.