The groundbreaking ACE provides public access to mountains of Colorado election data.
We have made available to the public the mountains of data we collect each election cycle in the groundbreaking ACE—Accountability in Colorado Elections. Election officials, journalists, academics, and election enthusiasts can translate these diverse data sets into actionable insights, transforming hard data into positive change.
And just maybe start a movement toward a new era of election transparency.
We’ve provided helpful user guides on each map page to help you better understand ACE. Interact with the data, then interact with us: We want to know how to make ACE more useful for you.
Elections data sets for a variety of needs.
The ACE data sets can be used for a variety of purposes. Want to know broad statewide trends? Want to understand the differences in county election behavior? Want to track the elections activities of a specific county? ACE can answer each of these questions for the most sophisticated election administrator, as well as those simply interested in how Colorado elections work. Finally, Colorado has the tool to understand its elections – and in doing so, make them better.
Visualization for action
That’s where ACE’s interactive maps come in. ACE visualizes the data in several interactive maps. These give meaning to the numbers that spreadsheets and pie charts can’t. We know that data is only effective when it engages the user. So ACE visualizes the data in several interactive maps. These give meaning to the numbers that spreadsheets and pie charts can’t.
Transparency with purpose
As the first state in the U.S. to display comprehensive registration and election data in a single centralized online location, the Colorado Department of State creates the closest thing to true transparency between the government and its citizens.
This data runs from 2014 to 2018. An updated application is in the works and will include more recent data. Please be patient as our team implements the changes. Thank you.
Legislators; Committees; Special interest groups; State communications officers; Parties, Candidates + staffers; Statisticians; Students; Other states; PEW Trust; Political junkies
This map provides a deep-dive into county constituencies statewide—including detailed data on party affiliation and how registration and affiliation are evolving over time. Includes 2014 and 2015 registration stats by month.
Parties, Candidates + staffers; Press; State communications officers; Statisticians; Analysts
This map shows political party breakdowns and unaffiliated voters in the context of state congressional, house and senate district borders. This information is of particular interest during census years, after which district lines may be re-drawn to equalize the number of persons in each area who are eligible to be registered. Data set reflects current eligible voters.
Parties, Candidates + staffers; Public; Press; Statisticians; Analysts; Districts
This map complements and augments election night reporting with a comprehensive display of ballots accepted, by year and according to party affiliation. It highlights voter participation by county, illuminating areas in which counties might take additional action to encourage voter turnout. Includes 2014 General Election, 2015 Coordinated Election, and 2016 Primary Election.
Press, Public, Special interest groups, Legislators, Counties
This map displays gross and net election costs for each county, illuminating the cost-per-voter disparity between counties of varying size. This kind of data can help to motivate counties to enforce their billing procedures—and legislators to seek additional reimbursement for their counties. Data set includes the 2013 Coordinated, the 2014 General, and 2015 Coordinated elections.
Public, Press, Communications directors, County commissioners, Analysts, Statisticians
This map not only shows voter preference for different ballot methods by county, it helps counties illuminate voter participation and encourages comparison to cost-per-voter data. Includes data on the types of ballots issued to eligible and active voters, as well as receipt statistics on each type. Data set includes the 2013 Coordinated, 2014 Primary, 2014 General Election, and 2015 Coordinated Election.
Counties, County commissioners, ADA advocacy groups
This map helps counties and their governing bodies measure performance in recommended voting-related activities, as well as compliance with associated legal requirements. Over time, it can help to illuminate need for greater attention to and additional funding/staffing for non-compliant counties. Includes 2013 Coordinated Election, 2014 Primary Election, 2014 General Election, 2015 Coordinated Election, and 2016 Primary Election.