Total Population in Harris County, TX
ACS 2024 5-Year Estimates
4,838,303
Rank #3/3,222 · #1 in TX
100th
Harris 4,838,303
TX 30M -84.0%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Harris County's total population of 4,838,303 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Harris County for total population.
Nearby Rankings
Full ranking →| #1 | Los Angeles County, CA | 9,808,667 |
| #2 | Cook County, IL | 5,182,090 |
| #3 | Harris County, TX | 4,838,303 |
| #4 | Maricopa County, AZ | 4,559,748 |
| #5 | San Diego County, CA | 3,288,774 |
| #6 | Orange County, CA | 3,165,820 |
About Total Population
Harris County, Texas has a total population of 4,838,303, ranking #3 of 3,222 counties nationwide — 98.5% below the national value of 330M. Within Texas, it ranks #1 of 254. This places it in the 100th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.