Total Population in South Central Connecticut Planning Region, CT
ACS 2024 5-Year Estimates
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How South Central Connecticut Planning Region's total population of 570,598 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 South Central Connecticut Planning Region for total population.
Nearby Rankings
Full ranking →| #122 | New Castle County, DE | 577,961 |
| #123 | Baltimore city, MD | 573,243 |
| #124 | Dane County, WI | 572,674 |
| #125 | South Central Connecticut Planning Region, CT | 570,598 |
| #126 | Lancaster County, PA | 557,931 |
| #127 | Stanislaus County, CA | 553,990 |
| #128 | Spokane County, WA | 549,056 |
About Total Population
South Central Connecticut Planning Region, Connecticut has a total population of 570,598, ranking #125 of 3,222 counties nationwide — 99.8% below the national value of 330M. Within Connecticut, it ranks #3 of 9. This places it in the 96th 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.