Voters in eight states—Ohio, Illinois, Wisconsin, Kansas, California, Michigan, Nevada, and Florida—will decide on 38 data center-related ballot measures in 2026. The ballot measures span 35 jurisdictions in 30 counties.
Ohio accounts for 20 measures across 17 jurisdictions, more than half of the total. Illinois has seven measures, including four in Madison County. The remaining 11 measures are in Wisconsin and Kansas, with three each; California, with two; and Michigan, Nevada, and Florida, with one each.
Thirty-one measures (82%) qualified for the ballot through citizen-initiated petition processes, while seven (18%) were referred by local governing bodies.