Congressional representation is reapportioned every decade following the completion of the decennial census. The Census Bureau's most recent Population and Housing Unit Estimates were released December 19, 2023.

A weighted average growth rate is applied to the July 1, 2023, estimates of the resident population of the United States from the Census Bureau to produce a forecast for the 2030 apportionment.

South Carolina and Texas Lead the Nation

South Carolina grew by 1.7% from July 2022 to July 2023 - gaining 90,600 residents.

Texas gained 473,453 residents (+1.6%) over the same period.

Four States Gained More Than 100,000 Residents from July 2022 to July 2023

Texas: 473,453 (+1.6%)

Florida: 365,205 (+1.6%)

North Carolina: 139,526 (+1.3%)

Georgia: 116,077 (+1.1%)

Six Additional States Grew by At Least 1%

South Carolina: +1.7% (+90,600)

Idaho: +1.3% (+25,730)

Delaware: +1.2% (+12,431)

Tennessee: +1.1% (+77,513)

Utah: +1.1% (+36,498)

South Dakota: +1.0% (+9,449)

California, Illinois, and New York's Decline Continues, but More Slowly

The 2021 estimates showed California losing 358,140 residents (0.9% of the state's population). California's rate of decline slowed to a drop of only 104,444 residents in 2022 (-0.3%) and 75,423 (-0.2%) in 2023.

Illinois lost 0.8% of its population in 2021 and 2022 (-207,842 residents) and another 32,826 (-0.3%) in 2023.

At -2.1%, New York's population decline continues to lead the nation. The Empire State lost 1.2% of its population from July 2020 to July 2021, 0.9% from July 2021 to July 2022, and 0.5% from July 2022 to July 2023. The state has lost a net 533,494 residents in three years.

Oregon's Population Stagnation Endangers OR-06

Oregon is one of only 14 states to lose population since 2020 and OR-06 now ranks as the 452nd apportioned seat. The Beaver State will need a significant swing in its trajectory to avoid losing OR-06 in 2030.

Eight States Lost Population From July 2022 to July 2023

New York: -101,984 (-0.5%)

California: -75,423 (-0.2%)

Illinois: 32,826 (-0.3%)

Louisiana: -14,274 (-0.3%)

Pennsylvania: -10,408 (-0.1%)

Oregon: -6,021 (-0.1%)

Hawaii: -4,261 (-0.3%)

West Virginia: -3,964 (-0.2%)