5 Most Populated Counties in the US

3. Harris County, Texas

Population Estimates (2023): 4,835,125

Ranked 3rd among the counties with the highest population, Harris County is the 14th largest county in Texas by total area, spanning across 1,707.0 sq. miles. The county houses approximately 4.83 million individuals, out of which 68.5% are White, 7.5% are Asian, and 44.6% are Hispanic or Latino. Moreover, Harris County has an employment rate of 63.8%, 108,434 employer establishments, and a median household income of $68,706.