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Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024 — figures cover the April 1, 2020 estimates base through July 1, 2024
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U.S. Census Bureau · Vintage 2024

Southeastern Connecticut Planning Region, Connecticut: population and components of change

Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024: County Population Totals and Components of Change 2020-2024 (CO-EST2024-ALLDATA). Figures cover the April 1, 2020 estimates base through July 1, 2024; data fetched 2026-10-30T08:41:21Z.

Values are printed as the U.S. Census Bureau reports them. A blank source value is printed as “not available”.
Southeastern Connecticut Planning Region
ItemValueAs reported
CountySoutheastern Connecticut Planning RegionSoutheastern Connecticut Planning Region
StateConnecticutConnecticut
State FIPS code0909
County FIPS code180180
Census region (code)11
Census division (code)11
Estimates base, April 1, 2020280,432280432
Resident population, July 1, 2020278,379278379
Resident population, July 1, 2021278,855278855
Resident population, July 1, 2022279,398279398
Resident population, July 1, 2023280,622280622
Resident population, July 1, 2024282,602282602
Numeric population change, 2023 to 20241,9801980
Births, year to July 1, 20242,5592559
Deaths, year to July 1, 20242,8702870
Natural change (births minus deaths), year to July 1, 2024-311-311
International migration, year to July 1, 20241,3881388
Domestic migration, year to July 1, 2024888888
Residual, year to July 1, 20241515
Birth rate per 1,000 population, year to July 1, 20249.08709.0869707257
Death rate per 1,000 population, year to July 1, 202410.191310.191327074
Natural change rate per 1,000 population, year to July 1, 2024-1.1044-1.104356348
International migration rate per 1,000 population, year to July 1, 20244.92884.92876724
Domestic migration rate per 1,000 population, year to July 1, 20243.15333.1532747184
Group quarters population, July 1, 202411,59211592

Values as reported by the source: county_name=Southeastern Connecticut Planning Region, state_name=Connecticut, state_fips=09, county_fips=180, region=1, division=1, estimates_base_2020=280432, pop_2020=278379, pop_2021=278855, pop_2022=279398, pop_2023=280622, pop_2024=282602, npopchg_2024=1980, births_2024=2559, deaths_2024=2870, naturalchg_2024=-311, internationalmig_2024=1388, domesticmig_2024=888, residual_2024=15, rbirth_2024=9.0869707257, rdeath_2024=10.191327074, rnaturalchg_2024=-1.104356348, rinternationalmig_2024=4.92876724, rdomesticmig_2024=3.1532747184, gq_estimates_2024=11592