10 US Counties Seeing the Biggest Population Influx in 2024

One of the most populated counties in the US is Middlesex County, home to more than 1.6 million people.

Middlesex County, Massachusetts

The county has 790,946 housing units that house a mix of homeowners and renters, according to US Census Bureau data from 2022.

Wayne County, Michigan

With 55.3% of the population holding a bachelor's degree or above, Santa Clara County is home to a highly educated population.

Santa Clara County, California

Broward County, ranked 17th, has a diverse population: over half White, 32.5% Hispanic or Latino, and 4.0% Asian, reflecting a melting pot of cultures.

Broward County, Florida

With more than 2 million residents, Bexar County saw a 3.9% increase in population between 2020 and 2023.

Bexar County, Texas

Tarrant County ranks 179th in Texas in terms of total size, having a land area of 865.2 square miles.

Tarrant County, Texas

With 20,068.2 square miles of land and a population of around 2.2 million, San Bernardino County is the largest county in California in terms of land area.

San Bernardino County, California

Queens County is the fourth-smallest county in New York, covering 108.7 square miles of territory.

Queens County, New York

In King County, there was a 0.2% decrease in population between 2020 and 2022.

King County, Washington

With its enormous selection of hotels and casinos, Clark County famous for being home to the Las Vegas Strip attracts a large number of visitors annually.

Clark County, Nevada