Demographics & Population Data
Datasets by CTData
Population
Population by Age
Population by Race
Median Age
Veteran Status
Population Estimates Dashboard
Coming in 2026: Birth Data
Family Structure
Children by Family Type
Coming in 2026: Non-Working Parents
Coming in 2026: Single Parent Families
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 Neighborhood Data Platform
The Hartford Neighborhood Data Platform (HNDP) is a data exploration tool developed by CTData Collaborative to empower city and community organizations, policymakers, and residents with access to neighborhood-level data. It supports informed decision-making and promotes equitable community development in Hartford, Connecticut. Learn more in the “About the Dashboard” tab below.
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.