Try our scoring service for new district plans. Upload a map to instantly receive projected data about its partisan consequences. Previously, this sort of analysis was available only to the parties’ line-drawers.

Learn more about our methodology and its validation here.

AK, AL, AR, AZ, CA, CO, CT, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY

Our current supported states are Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Illinois, Indiana, Idaho, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, and Wyoming.

Upload a district plan as a geospatial file containing Polygon or MultiPolygon shapes. These file types are currently supported:

2020 block assignment files (BAFs) in delimited text or CSV format are experimentally supported.

Processing time depends on the complexity of the district plan, and may take a few seconds or many minutes.