Capitol Planning Region vs South Central Connecticut Planning Region

Two neighbouring planning regions in Connecticut, compared on population, size, income and housing. They share 9.2 mi of border.

Both outlines are drawn at true relative size. Capitol Planning Region spans about 66.6 km at its widest.

Side by side

Capitol Planning Region, Connecticut and South Central Connecticut Planning Region, Connecticut on shared measures. The middle column is the difference, computed from the two figures either side of it.
MeasureCapitol Planning RegionDifferenceSouth Central Connecticut Planning Region
Population994,115+71.8%578,741
Change since 20203.1%+0.6 pp2.5%
Land area1,027 sq mi+179.7%367.3 sq mi
Population density968 per sq mi-38.6%1,576 per sq mi
Median household income$93,394+5.9%$88,197
Median home value$323,700-8.3%$353,100
Median age40.0-0.5%40.2
Households391,113+69.6%230,673
Housing units416,559+67.8%248,267

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026; US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. The difference column is computed here: the first county's figure against the second, expressed as a percentage of the second. The change-since-2020 row is the exception: two growth rates differ in percentage points (pp), not percent. Retrieved 30 August 2026.

What the numbers say

  • Capitol Planning Region holds about 1.7 times the population of South Central Connecticut Planning Region: 994,115 against 578,741.
  • Capitol Planning Region covers more ground, at 1,027 square miles against 367.3.
  • South Central Connecticut Planning Region is the more crowded of the two, at 1,576 people per square mile against 968.
  • Median household income is higher in Capitol Planning Region, by 5,197 dollars a year.
  • Since 2020, Capitol Planning Region has grown by 3.1% and South Central Connecticut Planning Region has grown by 2.5%.
  • They share 9.2 mi of common border, which the Census Bureau publishes in its county adjacency file and which almost no other county reference presents.

Full pages

Want a different pair? Compare any two of the 3,144 US counties.

Rebuilt from source data 30 August 2026. How these figures are produced.