SHAW v. RENO Opinion of the Court shape of the district lines could "be explained only in racial terms." Id., at 59. The majority, however, accepted the. District Court's finding that the plaintiffs had failed to establish that the districts were in fact drawn on racial lines. Although the boundary lines were somewhat irregular, the majority reasoned, they were not so bizarre as to permit of no other conclusion. Indeed, because most of the nonwhite voters lived together in one area, it would have been difficult to construct voting districts without concentrations of nonwhite voters. Id., at 56-58. Wright illustrates the difficulty of determining from the face of a single-member districting plan that it purposefully distinguishes between voters on the basis of race. A reapportionment statute typically does not classify persons at all; it classifies tracts of land, or addresses. Moreover, redistricting differs from other kinds of state decisionmaking in that the legislature always is aware of race when it draws district lines, just as it is aware of age, economic status, religious and political persuasion, and a variety of other demographic factors. That sort of race consciousness does not lead inevitably to impermissible race discrimination. As Wright demonstrates, when members of a racial group live together in one community, a reapportionment plan that concentrates members of the group in one district and excludes them from others may reflect wholly legitimate purposes. The district lines may be drawn, for example, to provide for compact districts of contiguous territory, or to maintain the integrity of political subdivisions. See Reynolds, 377 U. S., at 578 (recognizing these as legitimate state interests). The difficulty of proof, of course, does not mean that a racial gerrymander, once established, should receive less scrutiny under the Equal Protection Clause than other state legislation classifying citizens by race. Moreover, it seems clear to us that proof sometimes will not be difficult at all. In some exceptional cases, a reapportionment plan may be so highly irregular that, on its face, it rationally cannot be