Description: This is our working version of the Lake County boundary. Although technically the county's eastern border extends eastward into Lake Michigan to the state line where Illinois meets Michigan, we routinely use the Lake Michigan shoreline as our eastern boundary for mapping purposes. The north, west and south boundaries are based on a compilation of survey data which aligns well, but not perfectly, with the border as mapped by neighboring counties and the State of Wisconsin, which forms the northern boundary of the county.
Description: Political townships are those with elected officials - township supervisor, assessor, road commissioner, etc. However, Zion Township is uniquely defined in law as being coterminous with the City of Zion. Since the city can and does annex additional land, whenever it does so the boundary of Zion Township also changes to match it.
Description: Registered voters are assigned to individual precincts and cast their votes at the designated polling place for the precinct. These boundaries are proposed by the County Clerk and approved by the County Board following provisions of Illinois State Statutes. Precinct boundaries can be changed as needed to achieve objectives such as balancing the number of voters among precincts and minimizing the number of ballot styles representing unique combinations of elective districts in a precinct and for other purposes established by law.