All congressional district boundaries will require adjustment in 2021 redistricting [UPDATED]

We originally discussed reapportionment and redistricting in North Carolina in a series of posts in November 2015. To reflect the newly redrawn congressional maps, we updated our 2014 population estimates for congressional districts. This post updates the 2020 population projections for North Carolina’s congressional districts. North Carolina will likely have 14 seats in the U.S. House of Representatives following the post-2020 Census reapportionment process. While we cannot guarantee a 14th seat (no matter how likely),…

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U.S. Congressional District Population Estimates and Deviation from Ideal Population Size, 2014

Following the decennial Census, political districts, such as U.S. Congressional Districts and state legislative districts, are reapportioned to states and counties on the basis of population and their boundaries are redrawn in a process called redistricting. Broadly speaking, the goal of redistricting is to make each district as close in population size in possible. North Carolina is not the only state with uneven patterns of population growth. Across the United States, population is increasingly concentrated in urban and…

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UPDATED: NC House District Population Estimates and Deviation from Ideal Population Size, 2014

North Carolina’s redrawn congressional districts had equal population in 2010, but North Carolina’s population growth since then has been highly uneven. Two counties, Wake and Mecklenburg, have accounted for nearly half of the state’s growth between 2010 and 2014, while 49 of 100 counties lost population over this time period. How many people are currently living in the newly defined congressional districts? And how much do their current populations deviate from the equal population size that is the goal of every decennial redistricting? The U.S. Census Bureau’s American Community Survey provides annually updated demographic information for congressional districts, but it will take some time for the newly defined boundaries to appear in the ACS data. Using our neighborhood change dataset and the July 1, 2014 county estimates from the U.S. Census Bureau, we estimated the number of people living in each of North Carolina’s congressional districts on July 1, 2014. Detailed information on the data and methodology used to produce these estimates is available here.

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Republican or Democrat? Fewer than 40% of NC voters will have a choice in both state house & senate in November

Fifty-eight of North Carolina’s state house seats and 18 of North Carolina’s state senate seats will lack representation from both major political parties in this November’s elections. Among North Carolina’s 5.2 million active voters, this means that 2.4 million or 47% will have no choice between major political parties in their state house elections. In the state senate election, 1.8 million or 35% will not be able to choose between Republican and Democrat. Looking at…

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NC House: Partisan Composition of Voters by 2016 Candidate Affiliation

Based on the recent candidate filings, we can classify North Carolina’s 120 state house districts into one of three types: Democratic candidate(s) only, Republican candidate(s) only, and at least one candidate from both major political parties. (Although some districts do have Libertarian candidates on the ballot, this analysis focuses only on candidates from the two major political parties.) Sixty-two of the state’s 120 house seats, or 52%, have at least one Republican and one Democrat…

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NC Senate: Partisan Composition of Voters by 2016 Candidate Affiliation

Based on the recent candidate filings, we can classify North Carolina’s 50 state senate districts into one of three types: Democratic candidate(s) only, Republican candidate(s) only, and at least one candidate from both major political parties. (Although some districts do have Libertarian candidates on the ballot, this analysis focuses only on candidates from the two major political parties.) Thirty-two of the state’s 50 senate seats, or 64%, have at least one Republican and one Democrat…

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Preview: Partisan Composition and 2016 Candidate Affiliation for NC Legislative Districts

Following the December 21st, 2015, candidate filing deadline, the lack of competition for state House and Senate seats was the subject of many headlines. In many districts, only a single candidate is running, effectively guaranteeing them re-election. In others, the only candidates that filed are from the same party; while voters may have a choice among candidates, the only choice will occur at the primary stage. By the November 2016 general election, the outcome will…

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NC Legislative District Population Estimates and Deviation from Ideal Population Size, 2014

Following the decennial Census, political districts, such as U.S. Congressional Districts and state legislative districts, are reapportioned to states and counties on the basis of population and their boundaries are redrawn in a process called redistricting. Broadly speaking, the goal of redistricting is to make each district as close in population size in possible. While North Carolina’s population growth continues to outpace the nation, this growth is concentrated in the state’s urban areas. Nearly half of the state’s population growth since 2010 has occurred in two counties—Wake and Mecklenburg. Over this same time period, 49 of the state’s 100 counties have lost population. Today’s post explores the implications of these population shifts on the state’s legislative districts.

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Challenges of Redistricting

When discussing redistricting, I’ve heard individuals raise the question, “Why don’t we just let computers draw the lines and be done with it?” And why not? We let computers run so many aspects of our lives, why not this one as well? While computers and GIS software are fundamental to the completion of redistricting tasks, programming the computer to draw the maps requires firmly established criteria. Even with clear criteria, there are thousands of legal…

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All congressional district boundaries will require adjustment in 2021 redistricting

North Carolina will likely have 14 seats in the U.S. House of Representatives following the post-2020 Census reapportionment process. While we cannot guarantee a 14th seat (no matter how likely), we can guarantee significant changes to the state’s congressional district boundaries during the 2021 redistricting process. North Carolina’s population has grown substantially in the past few decades, and it continues to grow. At the same time, population is increasingly concentrated in urban cores within the…

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