Growth rates are the percent change of a variable over time. It can be applied to GDP, corporate revenue, or an investment portfolio. Here’s how to calculate growth rates.

The Northeast’s population growth rate was 0.76 percent in 2024, with a net gain of 435,000 people from a total population of 57.8 million.

But among all of Utah’s counties with more than 5,000 residents, Tooele County had the fastest growth rate, at 3.1%. Iron, Piute, Rich, Utah, Wasatch and Washington counties each grew by around 2%.

“Many population growth rates reversed or saw major changes between 2023 and 2024,” Crystal Delbé, a statistician in the Census Bureau’s Population Division, said in a statement.

The formula for exponential growth is V = S x (1+R) T, where S is the starting value, R is the interest rate, T is the number of periods that have elapsed, and V is the current value.

Immigration in 2024 drove U.S. population growth to its fastest rate in 23 years as the nation surpassed 340 million residents, the U.S. Census Bureau said Thursday.

Growth rates were first used by biologists studying population sizes, but they have since been brought into use in studying economic activity, corporate management, or investment returns.

Immigration in 2024 drove U.S. population growth to its fastest rate in 23 years as the nation surpassed 340 million residents, the U.S. Census Bureau said Thursday.