Consistent scaling
Changing the x- or y-axis scale across measures can make small changes look big and meaningful changes hard to detect. Standard scales give our dashboards a consistent frame for comparison.
Chart People
Find the signal in a noisy world.
Chart People helps you make sense of public data. Explore patterns, follow change over time, and see the context behind the numbers.
Chicago Data Dashboards
City of Chicago records by community area, date and category. Choose a dataset to start exploring.
- Chicago crime dashboards
Reported crime, with daily, monthly and yearly charts.
- 311 service requests
Graffiti, street potholes and vacant or abandoned buildings.
- Business licenses
License records by term start date, including renewals.
Dashboard screenshot · November 4, 2026
Common measure of change
Celeration describes how quickly behavior is accelerating or decelerating. It expresses change as a multiplying or dividing factor over time, giving different measures a shared language.
Real calendar time
Days of the week and months of the year can reveal patterns in how our environment interacts with our behavior. Plotting on real calendar time keeps those patterns in view.
Historical project
COVID-19 dashboards
Historical COVID-19 case and death counts by county, state and country. The project site marks the world and US dashboards as no longer available.
Open the COVID-19 project siteRetired project
Operation Metro Surge
Retired due to data integrity concerns. The dashboard and dataset are no longer available.
Retirement noticeAbout Chart People
Chart People began with chicagodata.org in 2015. The original dashboards let visitors load a neighborhood’s data and filter it in the browser while the chart’s frame stayed fixed.
Read our story