1st most populous of 9
With 991,508 residents in 2024, Capitol Planning Region ranks 1st by population among Connecticut's 9 planning regions and is home to 27.0% of the state's residents.

Capitol Planning Region has the largest economy in Connecticut ($110.9 billion GDP) and the 2nd youngest population (median age 40.0).
Capitol Planning Region is home to 991,508 people (2024 estimate) on 1,027 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2020, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.
Pick an indicator to see its long-run evolution.
U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.
| Indicator | Value | Year and source |
|---|---|---|
| Population estimate | 991,508 | 2024 · U.S. Census Bureau |
| International migration | +9,950 | 2024 · Census Vintage 2024 |
| Domestic migration | −1,829 | 2024 · Census Vintage 2024 |
| Birth rate | 9.4 per 1,000 | 2024 · calculated |
| Death rate | 9.3 per 1,000 | 2024 · calculated |
| Population rank in Connecticut | 1st of 9 | 2024 · calculated |
| Per capita personal income | $82,719 | BEA, 2024 · official |
| Gross domestic product | $110.9 billion | BEA, current dollars, 2024 · official |
| Median household income | $93,394 | ACS 2020–2024 5-year · official |
| Poverty rate | 10.3% | ACS 2020–2024 5-year · official |
| Bachelor’s degree or higher | 42.1% | Age 25+, ACS 2020–2024 5-year · official |
| Foreign-born residents | 15.2% | ACS 2020–2024 5-year · official |
| Median home value | $323,700 | ACS 2020–2024 5-year · official |
| Median gross rent | $1,411/month | ACS 2020–2024 5-year · official |
| Median age | 40.0 years | ACS 2020–2024 5-year · official |
| Households | 391,113 | ACS 2020–2024 5-year · official |
| Owner-occupied homes | 65.7% | ACS 2020–2024 5-year · official |
Comparable indicators for Capitol Planning Region, Connecticut and the United States.
| Indicator | County | Connecticut | U.S. | Reference |
|---|---|---|---|---|
| Population change 2020–2024 | +1.4% | +1.9% | +2.6% | Census Vintage 2024 |
| Birth rate (per 1,000) | 9.4 | 9.4 | 10.6 | 2024 |
| Death rate (per 1,000) | 9.3 | 8.9 | 9.1 | 2024 |
| Net migration rate (per 1,000) | 8.2 | 8.2 | 8.2 | 2024 |
| Population density (/mi²) | 965.1 | 758.9 | 96.3 | 2024 |
| Per capita personal income | $82,719 | $95,067 | $73,204 | BEA, 2024 |
| Median household income | $93,394 | $95,781 | $80,734 | ACS 2020–2024 5-year |
| Poverty rate | 10.3% | 10.0% | 12.5% | ACS 2020–2024 5-year |
| Bachelor’s degree or higher | 42.1% | 42.5% | 35.7% | Age 25+, ACS 2020–2024 5-year |
| Foreign-born residents | 15.2% | 15.7% | 14.1% | ACS 2020–2024 5-year |
| Median home value | $323,700 | $366,900 | $332,700 | ACS 2020–2024 5-year |
| Median gross rent | $1,411/month | $1,488/month | $1,413/month | ACS 2020–2024 5-year |
| Median age | 40.0 years | 41.1 years | 38.9 years | ACS 2020–2024 5-year |
| Owner-occupied homes | 65.7% | 66.5% | 65.2% | ACS 2020–2024 5-year |
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With 991,508 residents in 2024, Capitol Planning Region ranks 1st by population among Connecticut's 9 planning regions and is home to 27.0% of the state's residents.
Its population went from 977,685 at the April 2020 Census base to 991,508 in 2024, a change of +1.4%, compared with +1.9% for Connecticut as a whole.
In the year to July 2024 the region recorded 9,287 births and 9,254 deaths, so births outnumbered deaths by 33.
Annual Census estimates since 2020 put the region's highest population in 2024, at 991,508.
Capitol Planning Region has about 965.1 residents per square mile of land, ranking 5th of 9 planning regions; Connecticut averages 758.9.
With a median household income of $93,394 (ACS 2020–2024 5-year), the region ranks 4th of 9 Connecticut planning regions; the state median is $95,781.
Its economy produced $110.9 billion of GDP in 2024 (BEA), 1st largest among 9 Connecticut planning regions.