Population

Is population growing or shrinking?

Updated annually
It grew by 8,200 between 2023 and 2024. Changes in population can reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. The 0.83% annual increase was primarily driven by immigration to the state.

+8.18K

population change (2023 to 2024)

+0.83%

percent change in population (2023 to 2024)

Capitol Planning Region, CT gained 8,200 residents between 2023 and 2024.

Annual population change

A county’s population is influenced by three factors:
  • Natural population change: If births outnumber deaths in a given year, natural population growth is positive. If deaths exceed births, it is negative. Between 2023 and 2024 natural population change was positive in Capitol Planning Region, CT, with births exceeding deaths by 33.
  • Immigration: international migration directly into or out of a county: If more people move in than move out, population change from immigration is positive. If more people move out than move in, it’s negative. Between 2023 to 2024, Capitol Planning Region, CT’s population change from immigration was positive with about 10,000 more people coming from another country directly to Capitol Planning Region, CT than leaving.
  • Domestic migration, moving between counties: Between 2023 to 2024, Capitol Planning Region, CT’s population change from domestic migration was negative with about 1,800 more people moving to any other county in the US.

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Between 2023 and 2024, immigration was the primary driver of population growth in Capitol Planning Region, CT.

Components of population change

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.