DemDaily: Download on Redistricting
September 22, 2021
Last week the Census Bureau released the final refined data on the redistricting numbers, representing a shift in the congressional district count in 13 states going into the 2022 midterms.
Typically, the census numbers are delivered in December of the census year. Due to the pandemic and interference by the Trump administration, however, the population totals were not released until April, with the apportionment census block numbers used to redraw voting districts across the country released on August 12th.
As mandated by the United States Constitution, the US Census is the decennial (every ten years) count of persons dwelling in US residential structures. The census apportionment data is used to redraw or "redistrict" the new breakdown of the 435 US House seats and 7,383 state legislative seats across 50 states, determining the geographic and political makeup of Congress for the next ten years.
The Process

(Washington Post)
In roughly 35 states, the legislature plays the dominant role in congressional redistricting, while in others it is a commission, committee or hybrid of the legislature and a committee that draws the lines.
In 31 states the plan is subject to gubernatorial veto, which may be overridden by a super or simple majority vote in eight. In the states that comprise one congressional district each, redistricting is unnecessary.
Nationwide, however, the GOP has the advantage, with ultimate control of the restricting process in 20 states, while eight are controlled by Democrats and nine are split.
The Consequences
Although redistricting is now well underway, the delay in apportionment numbers had the ripple effect of leaving 2022 candidates and incumbents in limbo as to if or where they will be running less than a year before their primaries.
The most immediately impacted were New Jersey and Virginia, which are holding legislative races this November 2021, with primaries that took place June 8, 2021, prior to the availability of the apportionment data. Both were forced to hold the legislative elections under current lines, but with political consequences.

(The Conversation)
For the redistricting process itself, Virginia is using a new hybrid, bipartisan commission consisting of eight legislators and eight non-legislator citizens, evenly divided between Democrats and Republicans.
Another 21 states have constitutional or statutory redistricting deadlines with fixed dates or ones tied to the traditional census year for state legislative redistricting, and another 12 have similar deadlines for congressional mapping.
So far, nine states have released proposed maps, all at different stages in the approval process, with more than one likely to end up in the courts.
The 2020 Census shows that the resident population of the United States, including the 50 states and the District of Columbia, was 331,449,281 as of April 1, 2020, an increase of 7.4% since the 2010 Census.
The Balance of Congress
What we do know from the census apportionment data is the reshuffling of congressional districts and electoral votes in each state, reflecting a population shift from the Midwest and Northeast to the South and West.
One state, Texas, will gain two seats, while Colorado, Florida, Montana, North Carolina and Oregon will gain one.
Seven states, including California, Illinois, Michigan, New York, Ohio, Pennsylvania and West Virginia, will lose one seat, while six states - Alaska, Delaware, North Dakota, South Dakota, Vermont, and Wyoming - still have only one representative each.
Although Democrats currently hold a nine-seat majority in the US House, historically the party holding the White House in the midterm elections experiences losses in the House.
Based on GOP control of the redistricting process in so many states, 2022 is already proving to be a challenging one for Democrats.
Related: DemDaily: Deciphering The Census. A Snapshot 9/21/21
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Sources: US Census Bureau, Ballotpedia, Wiki, FiveThirtyEight, Brennan Center, Washington Post