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Ampersand WebGIS Special Edition | January / February 2001 | Page 4

Professor Doug Eckel: Making Redistricting Data Public
by Su Clauson-Wicker

 
With each new census, government officials learn that some voting districts have lost inhabitants while others have gained in population. To maintain parity in voting representation, elected officials must redraw the boundaries of these districts. The way these perimeters are drawn can affect party or ethnic representation in the next vote. In the past, elected officials have most often made redistricting decisions behind closed doors. If you didnšt like the way boundaries were drawn, litigation was your only recourse. Professor Doug Eckel

Virginia Tech professor of political science and assistant dean Doug Eckel would like to see the new census data upon which redistricting is based be made available to the public on the Internet before any decisions are made. This data is due to arrive from the census in March 2001. "Groups could use this data (called PL 94-171 data) to create their own redistricting proposals or comment on the possibilities," Eckel says. "The availability of this information makes the whole process of redistricting more transparent for citizens."

For example, a voting district can be redrawn in a way that maximizes the Republican vote, the Democrat vote, or the voting power of a particular ethnic group. "Elected officials have a fair amount of leeway to make partisan decisions in redistricting, as long as the representation of different ethnic groups is reasonably proportional. The racial aspect of redistricting is subject to review under Sections 2 and 5 of the Voting Rights Act." Eckel says.

He believes that this information can be combined with GIS (geographic information systems) and used interactively with ARC View and its extensions on the Web. Overlays could show current boundaries and those of subunits which might be reconfigured.

"I don’t think this would be too difficult," Eckel says. "With someone with GIS experience -- perhaps an Anderson & Associates consultant -- working on it full time, it seems like you could have the information in usable form in a matter of weeks."

Eckel is preparing a class project that will have teams of Virginia Tech undergraduates making plans to redistrict precincts in the City of Chicago in ways that optimize the voting power of three different ethnic groups. "This process will allow them to see first-hand the impact of the redistricting process," he says.

He presented his ideas on redistricting at the Virginia GIS Conference in Richmond in October.


- Reprinted from the February 2001 Ampersand.

 

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