Demographics & Population Data
Datasets by CTData
Population
New: Population by Age
New: Population by Race
New: Median Age
New: Veteran Status
Coming in 2025: Census Annual Population Estimates
Coming in 2025: Decennial Population
Coming in 2025: DPH Annual Population Estimates
Coming in 2025: Population Projections
Coming in 2025: Birth Data
Family Structure
New: Children by Family Type
Coming in 2025: Non-Working Parents
Coming in 2025: Single Parent Families
Households
New: Total Households
Income
Projects by CTData
2020 Demographics and Housing Explorer
The 2020 Demographic and Housing Characteristics File (DHC), released by the U.S. Census Bureau in May 2023, is one of many data products released as part of the 2020 decennial census.
ACS 2021 Tool
Connecticut Measured By 2021 American Community Survey, 5-year estimates. This interface maps some of the most in-demand variables for Connecticut towns. See also ACS 2017, ACS 2018, ACS 2019 and ACS 2020 versions.
Aggregate Margins of Error
Combine many estimates with margins of error into one aggregated estimate with a new margin of error.
CONNECT Regional Data Stories
Seven data stories about who lives and works in Connecticut, some of their educational experiences, and health outcomes.
County Stories
See how the 8 Connecticut counties compare in demographics and economy.
DMHAS Regional Data Stories
Regional interactive data stories show cross-sector data that describe general characteristics of each of five DMHAS regions.
Hartford Data Platform
A geospatial analysis that maps Hartford housing conditions with the 500 Cities dataset of health outcomes, to better understand which neighborhood conditions could be improved.
NEW: Hartford Young Children Data Story
An overview of young children in Hartford in an accessible format that is easy to navigate.
Living IN An Aging CONNECTICUT
Can Connecticut meet the needs of its changing demographics? And will we leverage the opportunities that come with ever-increasing numbers of older adults looking for ways to contribute their skills, talents and experience?
Women & Girls Data Platform
An online, interactive tool to provide access to publicly available data specific to regional, city, and statewide levels and aggregated for gender and race.
Town Profiles
Two-page PDF reports of demographic and economic information for Connecticut's towns.