Axios: Texas population boom adds uncertainty to key US Senate race

Texas has gained more than 2.5 million residents since 2020, making it the fastest-growing U.S. state and reshaping its political landscape ahead of a closely watched Senate election in November.

The state's population reached 31.7 million in 2025 after adding nearly 400,000 residents over the past year, according to U.S. Census data cited by Axios. More than two-thirds of the growth came from domestic and international migration.

Political analysts say the influx of newcomers has made Texas voters harder to predict. While Republican Attorney General Ken Paxton remains the favourite against Democratic challenger James Talarico, the state's rapidly changing demographics have complicated traditional electoral calculations.

Many new residents have moved from states such as California, Florida and Colorado. Experts say some arrived for economic opportunities, while others relocated for political or ideological reasons, creating a politically mixed electorate.

At the same time, Democrats see potential gains among Latino voters, a group that helped Republicans make advances in recent elections. Recent polling suggests support for former President Donald Trump among Texas Latinos has weakened, while Democrats hold a significant advantage among Latino voters in hypothetical statewide contests.

President Trump's disapproval has climbed to 67% among Latino voters in Texas, and Democrats hold a 54%-to-28% generic House ballot advantage among Latinos in the state, a recent UnidosUS/BSP Research/Shaw & Co. poll found.

Fast-growing suburban and exurban communities around major cities are also becoming increasingly important battlegrounds, blurring Texas' traditional urban-rural political divide.

Despite these shifts, Republicans retain significant advantages. The party has not lost a statewide election in Texas since 1994 and continues to benefit from a strong voter turnout operation.

Analysts caution that Texas remains a Republican-leaning state, but its rapid population growth and demographic changes are making future elections less predictable than in the past.

By Sabina Mammadli