Round Lake Beach-McHenry-Grayslake Metro Area Population | Historical Data | Chart | 1950-2026

The current metro area population of Round Lake Beach-McHenry-Grayslake in 2026 is 404,000, a 1.25% increase from 2025.
  • The metro area population of Round Lake Beach-McHenry-Grayslake in 2025 was 399,000, a 1.27% increase from 2024.
  • The metro area population of Round Lake Beach-McHenry-Grayslake in 2024 was 394,000, a 1.29% increase from 2023.
  • The metro area population of Round Lake Beach-McHenry-Grayslake in 2023 was 389,000, a 1.57% increase from 2022.