With the official 2020 Census Apportionment Results recently being delivered to President Biden, it looks like Idaho was the
2nd fastest growing state between 2010-2020 by %, growing by 17.3%. Utah was higher, growing by a rate of 18.4%, and Texas was behind Idaho, increasing population by 15.9%.
https://www2.census.gov/programs-sur...020-tableE.pdf
Idaho resident population as of 4/1/2020: 1,839,106
Idaho resident population as of 4/1/2010: 1,567,582
growth of 271,524 (17.32%)
https://www2.census.gov/programs-sur...020-tableE.pdf
Looking at how U.S. House of Representative seats are apportioned, it looks like Idaho was 8th in line (behind the states of Texas, which will gain 2 new seats, and Colorado, Florida, Montana, North Carolina, and Oregon, which will each gain 1 new seat). Maybe we'll gain a seat after the 2030 Census...
https://www2.census.gov/programs-sur...020-tableB.pdf