Datasets by CTData
Population
Census Annual Population Estimates by County
Census Annual Population Estimates by Town
Decennial Population by County
Decennial Population by Town
DPH Annual Population Estimates by County
DPH Annual Population Estimates by Town
Population by Age by County
Population by Age by Town
Population by Race by County
Population by Race by Town
Population Projections by County
Population Projections by Town
Median Age by County
Median Age by Town
Veteran Status
Birth Data
Family Structure
Children by Family Type
Non-working Parents
Single Parent Families
Households
Total Households by County
Total Households by Town
Income
Median Household Income by County
Median Household Income by Town
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?
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.
CTData Blog Posts
Featured
The Population Estimates "Blended Base:" What it is and Why it Matters
Changes to the federal standards for how race and ethnicity data are collected and reported
Census Data Shows Disproportionate Mortality Rates For Different Groups During Covid-19
Native American Heritage Month
Known Errors in the Census Bureau’s Vintage 2022 Population Estimates: Guidance for Data Users
Check Out Our 2020 Demographics and Housing Explorer!
Multigenerational Households in Connecticut
Unveiling the U.S. Census Bureau's Methodology for Annual Population Estimates
Overview of the four sources of population data
An Overview of Differential Privacy in the 2020 Decennial Census
U.S. Census Bureau Release Vintage 2022 Population Estimates by Towns and Cities
Recent and Proposed Changes in How the Census Bureau Collects and Processes Race and Ethnicity Data
Census Bureau Releases First Population Estimates for Connecticut’s “County-Equivalent” Planning Regions
CTData 2022 Mini-Conference Recap: What You Need to Know about Using Census 2020 Data
Celebrating National Disability Employment Awareness Month
Celebrating Connecticut’s Hispanic and Latino Residents
New Connecticut Data Shows: Increase in Remote Work, Higher Rent Costs, and a Shift in Occupations
Census Releases 2020 Post-Enumeration Survey Results: How Is Connecticut Impacted?
Connecticut Marks Asian/Pacific American Heritage Month
American Community Survey Data Release: Income and Education Levels Increased, Remote Working Increased, Home Values Decreased
2020 Census Demographic Analysis By The "Five Connecticuts"
Population Decline: Hartford Youth, Past 3 Decades
Connecticut: Slowly Growing and Slightly More Diverse
Population Changes in Connecticut, 2010 to 2020
How Diverse is Connecticut?
Invest in Connecticut Veterans
Connecticut Census Tract Boundaries are Changing
Find the Data You Need with Over 130 Programs and Surveys from the U.S. Census Bureau
Pioneering Data Platform for Women and Girls Launched at Galvanize CT
