South Central Connecticut Planning Region, Connecticut

South Central Connecticut Planning Region population, land area and income

South Central Connecticut Planning Region had 576,718 residents in the Census Vintage 2024 estimate, on 367.3 square miles of land. It ranks 3rd of 9 in Connecticut by population and 8th by land area. That works out to 1,570.4 people per square mile, 16.3 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in Connecticut has 335,666 residents; South Central Connecticut Planning Region is somewhat larger.

Its SAIPE 2023 median household income of $80,953 is in the top quarter among 3,143 counties with an estimate.

How South Central Connecticut Planning Region's population changed since 2020

South Central Connecticut Planning Region gained 12,192 residents between the July 2020 and July 2024 estimates, a rise of 2.2%. That ranks 7th of 9 in Connecticut for growth. The median Connecticut county changed by +2.6%, and the state as a whole by +2.7%.

Since the April 2020 estimates base, South Central Connecticut Planning Region recorded 23,901 births and 24,585 deaths, a natural change of -684. Net international migration added +14,151 and net domestic migration, people moving to or from other US counties, came to -6,307. The largest single component was international migration, which added 14,151 people.

Where South Central Connecticut Planning Region is

The Census internal point of South Central Connecticut Planning Region is at 41.290200, -72.837000. It sits in UTM zone 18N. The map shades Connecticut's 9 county-equivalents by population change from 2020 to 2024, darker for faster growth, with South Central Connecticut Planning Region outlined. Dots are towns of 1,000+ people with residents in it.

Towns in South Central Connecticut Planning Region

5 incorporated places of 1,000+ people have residents in South Central Connecticut Planning Region, 307,186 people together, or 53% of the county. Each figure counts only the part of the town inside South Central Connecticut Planning Region; towns marked "part" extend into another county. The largest is New Haven with 137,562.

Counties bordering South Central Connecticut Planning Region

The Census 2024 county adjacency file lists 5 neighbors for South Central Connecticut Planning Region, including 1 across a state line. The most populous is Suffolk County, NY, with 1,535,909 residents. Distances run between Census internal points in a straight line.

• NY

  Suffolk County, NY

  1,535,909 people

  25 mi SSE

• Capitol Planning Region

  991,508 people

  39 mi NNE

• Naugatuck Valley Planning Region

  462,220 people

  20 mi NW

• Greater Bridgeport Planning Region

  335,666 people

  21 mi WSW

• Lower Connecticut River Valley Planning Region

  177,540 people

  20 mi ENE

Distance to Hartford and the nearest big city

Hartford is 33.7 miles NNE of South Central Connecticut Planning Region's internal point in a straight line. The nearest place of 100,000 or more is New Haven, CT (population 137,562), 4.8 miles away.

South Central Connecticut Planning Region FIPS code

The FIPS code of South Central Connecticut Planning Region is 09170: state code 09 for Connecticut plus planning region code 170. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $80,953.