Total Population in Lake County, IL
ACS 2024 5-Year Estimates
714,223
Rank #95/3,222 · #3 in IL
97th
Lake 714,223
IL 13M -94.4%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Lake County's total population of 714,223 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 Lake County for total population.
Nearby Rankings
Full ranking →| #92 | Denver County, CO | 718,877 |
| #93 | Hudson County, NJ | 718,323 |
| #94 | Davidson County, TN | 715,388 |
| #95 | Lake County, IL | 714,223 |
| #96 | Utah County, UT | 705,400 |
| #97 | Will County, IL | 701,462 |
| #98 | Montgomery County, TX | 684,432 |
About Total Population
Lake County, Illinois has a total population of 714,223, ranking #95 of 3,222 counties nationwide — 99.8% below the national value of 330M. Within Illinois, it ranks #3 of 102. This places it in the 97th 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.