January 2025

This map service contains both polygon and linear features for the boundaries of the Massachusetts State Senate districts, which were signed into law on November 4, 2021, with Chapter 82 of the Acts of 2021. These boundaries began to be used with the fall 2022 elections and are based on demographic data from the 2020 U.S. Census.Member names with the results of the November 2022 election were entered in January 2023 and updated in February 2024.Member names from the results of the November 2024 election were populated in January 2025.See full metadataMap service also available.

Effective January 2023.More information: Visit the Geographic Information System (GIS) webpage for access to additional City maps.Informing Worcester is the City of Worcester's open data portal where interested parties can obtain public information at no cost.

Massachusetts State Senate district boundaries based on 2010 U.S. Census data. These 40 districts were those used in the elections from 2012 and prior to 2022, when they were superseded by the 2021 Senate Districts.

January 2023

Application from MassGIS displaying Legislative Districts within the Commonwealth of Massachusetts (Congress and state Senate and House of Representatives). The data displayed in this map include:U.S. Congressional Districts (118th)Massachusetts Senate Legislative Districts (2021) Massachusetts House Legislative Districts (2021)

Boundaries of the eight Governor's Council districts for the Commonwealth of Massachusetts, as signed into law on November 22, 2021, with Chapter 92 of the Acts of 2021. These boundaries began to be used with the fall 2022 elections and are based on demographic data from the 2020 U.S. Census.Member names based on the results of the November 2022 election were populated in January 2023.See full metadataFeature service also available.

This polygon layer contains the three elective districts for state legislators who represent Cambridge in the Massachusetts Senate.Explore all our data on the Cambridge GIS Data Dictionary.Attributes NameType DetailsDescription SENATOR type: Stringwidth: 35precision: 0 Name of current state representative for the district

SENATE type: Stringwidth: 35precision: 0 State Senate District

Party type: Stringwidth: 8precision: 0 Party affiliation of current representative

EditDate type: Stringwidth: 4precision: 0

created_date type: Datewidth: 8precision: 0

last_edited_date type: Datewidth: 8precision: 0

January 2025

Effective January 2023.More information: Visit the Geographic Information System (GIS) webpage for access to additional City maps.Informing Worcester is the City of Worcester's open data portal where interested parties can obtain public information at no cost.

Boundaries of the eight Governor's Council districts for the Commonwealth of Massachusetts, as signed into law on November 22, 2021, with Chapter 92 of the Acts of 2021. These boundaries began to be used with the fall 2022 elections and are based on demographic data from the 2020 U.S. Census.Member names based on the results of the November 2022 election were populated in January 2023.See full metadataMap service also available.

This map service contains both polygon and linear features for the boundaries of the Massachusetts State Senate districts, which were signed into law on November 4, 2021, with Chapter 82 of the Acts of 2021. These boundaries began to be used with the fall 2022 elections and are based on demographic data from the 2020 U.S. Census.Member names with the results of the November 2022 election were entered in January 2023 and updated in February 2024.Member names from the results of the November 2024 election were populated in January 2025.See full metadataFeature service also available.

Massachusetts U.S. Congressional Districts, based on 2010 U.S. Census data. Data up-to-date for the 116th Congress in 2019.This service has been superseded by the 118th Congressional Districts.