Electric utilities use the System Average Interruptible Duration Index (SAIDI) to measure the reliability of electric utility systems. The SAIDI represents the average number of minutes each customer can expect to be without power in a given year. This is a comparison of Naperville with Com Ed SAIDI data.

This data set shows Naperville Police reported incidents from 2010 to present.

New incidents are added daily.

This data set does not contain crashes. Naperville Crashes are reported in Police Traffic Crash Incidents data set.

Addresses are shown at the block level only and specific locations are not identified.

Latitude/Longitude pair is shifted for each incident in the following manner:

coordinates do not show exact incident locations, but rather show the location Geo-coded to the nearest 100 block. For example, the address 410 S Eagle St, would be located at the 400 Block of S Eagle St. Each road segment has a low address point, and a high address point. Incidents are rounded to the nearest 100, and then placed on the street segment at a proportional location between the low address point and high address point.

All data visualizations on maps should be considered approximate.

This dataset includes comparable governmental debt for both national and local communities. The data also include the population and total debt per capita. These communities were chosen based upon their size and location and have been historical comparisons for the City of Naperville.

While it is important for Naperviille to compare performance year over year, it is also valuable to compare our performance against other communities both regionally and nationally. This chart benchmarks Naperville’s performance on a variety of city services as compared with other communities in the East Central region of the country and nationally. The East central region data is compiled from a random sample of survey results from 400 residents in the East Central region of the United States. The national survey is compiled from a sample of more than 4,000 residents in the continental United States.

All of the City's capital improvement projects over the next five years. This information categorizes the City's projects and includes information regarding funding sources, expense types, and asset types.

Budget FTE versus actual FTE headcount numbers by month from 2017 forward. Excludes temporary and seasonal workers. For these totals only, includes vacancies.

Naperville's Electric Customer Classification.

The Water Utility calculates the System Average Interruption Duration Index (SAIDI) to measure the reliability of the water system. This index is represented as the total number of minutes each customer can expect to be without service in a given year.

This includes all the City's sales tax receipts including both the one percent state collected portion and the City's home rule sales from 2005 through present. The information is broken down by when the dollars were collected by the state and when the dollars were distributed to the City.

Featured links on Naperville's geographic (mapping) data site. The City of Naperville, Illinois uses geographic data to help maintain infrastructure, deliver services, and inform the community. Map Naperville houses a collection of interactive maps and raw geospatial datasets maintained by the City. Feel free to explore, discover, and share the maps and data on this site.