SB 148

This bill redistricts, according to the number of inhabitants, the legislative

districts of this state based on the results of the 2010 federal decennial census of

population. The bill maintains the number of assembly districts at 99 and the

number of senate districts at 33. All assembly districts created by the bill are

composed of whole counties or municipalities or U.S. census tracts or blocks

(subunits of tracts) reflecting population and boundaries as of April 1, 2010. In

accordance with article IV, section 5, of the state constitution, no assembly district

created under the bill is divided in the creation of a senate district.

Current law requires legislative districts to be substantially equal in

population. The table below illustrates, for the assembly and senate districts

proposed under the bill, the numeric amount and the percentage by which the

districts with the smallest and largest populations deviate from the ideal population

for the same type of district. The population figures contained in the table are

derived from the results of the federal decennial census.

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See PDF for table

The bill also requires the legislative reference bureau, in enrolling any

redistricting plan that has passed both houses of the legislature, to attach an

updated appendix that includes all of the following: the population statistics for the

legislative districts created under the bill; a statewide map of the legislative districts

created under the bill; a map of the legislative districts created under the bill that

are in Milwaukee County; and, with certain exceptions, a detail map illustrating the

division of any city, village, or town among two or more legislative districts.

For further information, see the appendix printed at the end of this bill. The

appendix was prepared by the legislative reference bureau and contains the

following information: population statistics for the 33 senate districts and the 99

assembly districts, a statewide map of senate districts, a statewide map of assembly

districts (displayed over two pages), a map of Milwaukee County showing the

assembly district boundaries in that county, and a map of Dane County showing the

assembly district boundaries in that county. The population data contained in the

appendix is derived from the federal decennial census.