Senate District 20 consists of the following:
Hamilton County TOWNSHIPS:
Noblesville Township, Wayne Township
Hamilton County PRECINCTS:
AVIAN, BAY HILL, BLUE CREEK, BRENTWOOD, BRIAR CREEK, BROOKFIELD CROSSING, BROOKSHIRE, CARMEL MEADOWS, CHERRY TREE, CLAY NORTHEAST, COLLEGE, COOL CREEK NORTH, COOL CREEK SOUTH, COPPERWOOD, DANIEL WARREN, DEMING, EDEN BROOK, GREENSPRINGS, GUILFORD 01, HAZEL DELL, HOLADAY 01, HOLADAY 02, HUNTERS CREEK, HUNTERS TRACE, JOHNSON ACRES, KEYSTONE, KINGSWOOD 01, KINGSWOOD 02, LADY HAMILTON, MOHAWK HILLS, MORSE 02 (NV), MORSE 03 (NV), NORTH CICERO, ORCHARD PARK, PRAIRIE VIEW, RANGELINE, RICHLAND, SOUTH CICERO, SOUTHEAST ARCADIA, SOUTHEAST CICERO, SOUTHWEST CICERO, STONEHEDGE 01, STONEHEDGE 02, STONEWICK, WATERFORD, WOODFIELD, WOODGATE, WOODLAND
Hamilton County CENSUS BLOCKS:
180571109123000, 180571109123001, 180571109123002, 180571109123003, 180571109123004, 180571109123005, 180571109123006, 180571109123007, 180571109123008, 180571109123009, 180571109123010, 180571109123011, 180571109123012, 180571109123013, 180571109123014, 180571109123015, 180571109123016, 180571109123017, 180571109123018, 180571109123019
IC 2-1-15-20