Here's my annual projection from the new estimates. I used the July 2016 estimates and the April 2010 Census base to get an annual growth rate. This correctly accounts for the 6 and a quarter year period between the Census and the estimate. I then applied the annual growth rate to the 2010 reapportionment population to get the 2020 projection. This accounts for the extra overseas population used in reapportionment but not for redistricting. Ten years is a long stretch for a simple model like this, but here are the projected changes.
AL -1
AZ +1
CO +1
FL +2
IL -1
MI -1
MN -1
NY -1
NC +1
OH -1
OR +1
PA -1
RI -1
TX +3
WV -1
There is only one change since my projections last year. CA stays unchanged at 53 instead of adding a seat and FL gains 2 instead of 1 up to 29. The bubble seats in this projection are based on the last five awarded and the next five in line.
The last five awarded are IL-17, TX-39, CA-53, AZ-10, and FL-29 (#435).
The next five in line are MT-2, AL-7, CA-54, VA-12, and MN-8.
An alternate projection could use just the last two years of estimates to determine the rate of growth for the rest of the decade. That model gives the same projection as the one above, with changes only in the order of the bubble seats.
Wait, IL might lose 2 CDs?
