Information from a source that helps us test a claim.
source
A document, object, image, or account we can examine.
inference
An explanation based on clues; it still needs checking.
migration
Moving from one place to another to live.
immigrant
A person who moves to another country to live.
estimate
An approximate amount, based on available information.
oral history
A recorded interview about someone’s memories and experiences.
community
People connected by a place, relationships, or shared activities.
ancestry
Family origins across generations.
primary source
Evidence created by someone who experienced a time or event.
Choose · notice · investigate
Voting districts & elections
Explore districts for representation and election boundaries. Districts change; use each map’s date to understand which election or Congress it describes.
Showing 5 of 5 resources
Official statewide map of Massachusetts House legislative districts adopted in 2021.MassGIS / Commonwealth of Massachusetts Image source ↗
political
Massachusetts House districts
statewide · 2000s
Compare State House election districts with town borders.
A question to investigate
Does each district follow town lines?
Dig deeper · grades 6–8
Compare the map’s creator, date, purpose, scale, and missing information with a second map. Explain what changed and what stayed connected.
Map of Massachusetts showing population according to United States Census of 1900 and congressional districts — [1901]Leventhal Map & Education Center / Boston Public Library; Massachusetts. General Court. Joint Special Committee on Congressional Redistricting Image source ↗
political
Population and congressional districts, 1901
statewide · 1900s
Compare the 1900 Census population with congressional districts of the time.
A question to investigate
Why might districts be smaller near crowded places?
Dig deeper · grades 6–8
Compare the map’s creator, date, purpose, scale, and missing information with a second map. Explain what changed and what stayed connected.
Sources checked September 23, 2026. Open the source for current programs, hours, access, and map updates. Historical maps may contain outdated language or incomplete representations of Native homelands.
