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House District Boundary Discrepancies

The boundary lines for the House districts used for the 2010 US Census do not align properly with the Ward, Precinct, and Voting Tabulation District (VTD) boundaries for several House districts described in Chapter125 of the Acts of 2001 and Chapter 74 of the Acts of 2004. Therefore, the total populations for these districts differ when the official US Census legislative boundary is used to compile the count as opposed to using the Ward, Precinct, and VTDs that make up the district.
House District Total Population using Ward and Precinct Boundaries Total Population using US Census House Legislative Boundaries Difference
7th Norfolk 40,363 40,704 -341
1st Suffolk 40,508 41,043 -535
3rd Suffolk 46,980 46,314 666
4th Suffolk 42,218 41,551 667
6th Suffolk 36,510 36,532 -22
7th Suffolk 45,108 46,088 -980
11th Suffolk 41,181 40,947 234
12th Suffolk 36,500 36,181 319
13th Suffolk 35,622 35,611 11
14th Suffolk 38,910 38,888 22
15th Suffolk 40,575 40,616 -41
8th Worcester 43,627 43,628 -1
15th Worcester 42,636 42,659 -23
16th Worcester 41,326 41,303 23
18th Worcester 44,398 44,397 1

Senate District Boundary Discrepancies

The boundary lines for the Senate districts used for the 2010 US Census do not align properly with the Ward, Precinct, and Voting Tabulation District (VTD) boundaries for the several Senate districts described in Chapter 126 of the Acts of 2001. Therefore, the total populations for these districts differ when the official US Census legislative boundary is used to compile the count as opposed to using the Ward, Precinct, and VTDs that make up the district.
Senate District Total Population using Ward and Precinct Boundaries Total Population using US Census Senate Legislative Boundaries Difference
First Worcester 165,015 165,038 -23
Second Worcester 175,089 175,066 23
Norfolk & Plymouth 160,483 160,484 -1
Norfolk, Bristol & Plymouth 155,688 155,687 1

Letter from the US Census Bureau regarding issues with several legislative district boundaries

US Census Redistricting Data Program Information

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