New American Community Survey (ACS) 5-year Estimates available

Status of ACS data updates 2017

Take a look at which towns saw an increase in Median Household Income and a decrease. Please note that when comparing ACS 5-year estimates you must use time periods that are not overlapping.

Support us on #GivingTuesday!

During #GivingTuesday, a 24 hour global movement dedicated to giving, please help support our work and ensure we can continue to offer events and classes that are free and open to the public. At the Connecticut Data Collaborative, we are thankful for all our data users and producers across the state who have engaged with us over the past year.

We strive for informed policy and decision making across the state by empowering an ecosystem ...

Are the Outcomes of Stops Different Across Racial Groups?

In this data story, we explore the outcomes of traffic stops. Is there a difference by race in the issuance rate of warnings, tickets or some other outcome? In particular, is there a difference by race in terms of the type of infractions imposed on drivers based on the reason for the stop. 

The Racial Profiling Prohibition Project is a statewide effort led by the Institute for Municipal and Regional Policy (IMRP) to understand the ...

Traffic Stop Statistics in Connecticut

In partnership with the Institute for Municipal and Regional Policy at Central Connecticut State University, we are providing an overview of the three years of data collected as part of the Racial Profiling Prohibition Project. 

  1. First, we look at the different traffic stop categories: Motor Vehicle Violations, Equipment Violations, and Investigative Stops.
  2. Then, we examine the breakdown of those categories into reasons why drivers get pulled over. Some reasons may fall under different categories. For ...

Notes from the road: CT Data attends APDU Conference!

September and October were two busy months here at the Connecticut Data Collaborative. We traveled to two national conferences, offered several presentations as panelists and as the keynote speaker, and have been continued to lead workshops intended to increase data literacy. In the next series of blog posts, we want to share updates and lessons we have learned from the workshops we attended and panelists and partners we've met.

To start, we would like ...

A Story about liberating public data

For the past few years we have been working with the CT Secretary of State (SOTS) on a variety of initiatives related to the business registration data that they process and manage. This dataset is the official data set of record for tracking businesses that are required to register to operate within Connecticut. However, accessing this data has been historically difficult. The CONCORD system was built and optimized for the important work of managing transactions ...

CT Data heads to Washington, DC!

On September 13th and 14th, the CT Data Collaborative's, Michelle Riordan-Nold and Rachel Leventhal-Weiner, will participate in and present at the Association for Public Data Users (APDU) Conference in Arlington, Virginia. The APDU is a consortium of data users and producers across the country concerned with state and federal data collection and dissemination. They provide members with helpful information about federal budgeting, data collection tools, and innovations in data visualization. 

This year's conference ...

New Population Projections by Town Available

Today, the CT State Data Center published 2015-2040 town level population projections by sex and age cohort. You can look at the new projections and get the data on our site but you can also access the data on their site and read a summary analysis of the projections.  

2017 Connecticut Town Profiles Now Available

Updated Connecticut Town Profile data now available at This is a project in partnership with the Connecticut Economic Resource Center, Inc (CERC). The Connecticut Data Collaborative annually updates 54 datasets that are contained in the profiles. Data are accessible in two ways: 

  1. Through the interactive tables which allows one to compare multiple municipalities or 
  2. Via a two-page PDF similar to what was previously produced by CERC 
Both 2016 and 2017 versions of ...

Another CT Data Day in the books: Synthesize!

On Friday, June 23rd, we convened the second of our 2017 CT Data Days conference series. Following up on the success of "Equip" back in March, this time, we organized a conference around the theme, "Synthesize." Issues related to data collection and analysis are perrenial challenges for many of our users. To respond to this need, we organized several panels focused on using data to tell stories and strategizing around how to collect new data ...

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