The land area of Aurora, IL was 45 in 2018.

Land Area

Water Area

Land area is a measurement providing the size, in square miles, of the land portions of geographic entities for which the Census Bureau tabulates and disseminates data. Area is calculated from the specific boundary recorded for each entity in the Census Bureau's geographic database. Land area is based on current information in the TIGER® data base, calculated for use with Census 2010.

Water Area figures include inland, coastal, Great Lakes, and territorial sea water. Inland water consists of any lake, reservoir, pond, or similar body of water that is recorded in the Census Bureau's geographic database. It also includes any river, creek, canal, stream, or similar feature that is recorded in that database as a two- dimensional feature (rather than as a single line). The portions of the oceans and related large embayments (such as Chesapeake Bay and Puget Sound), the Gulf of Mexico, and the Caribbean Sea that belong to the United States and its territories are classified as coastal and territorial waters; the Great Lakes are treated as a separate water entity. Rivers and bays that empty into these bodies of water are treated as inland water from the point beyond which they are narrower than 1 nautical mile across. Identification of land and inland, coastal, territorial, and Great Lakes waters is for data presentation purposes only and does not necessarily reflect their legal definitions.

Above charts are based on data from the U.S. Census American Community Survey | ODN Dataset | API - Notes:

1. ODN datasets and APIs are subject to change and may differ in format from the original source data in order to provide a user-friendly experience on this site.

2. To build your own apps using this data, see the ODN Dataset and API links.

3. If you use this derived data in an app, we ask that you provide a link somewhere in your applications to the Open Data Network with a citation that states: "Data for this application was provided by the Open Data Network" where "Open Data Network" links to Where an application has a region specific module, we ask that you add an additional line that states: "Data about REGIONX was provided by the Open Data Network." where REGIONX is an HREF with a name for a geographical region like "Seattle, WA" and the link points to this page URL, e.g.

Geographic and Area Datasets Involving Aurora, IL

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    CPS Schools 2013-2014 Academic Year | Last Updated 2013-11-26T20:27:57.000Z

    List of CPS schools for the 2013-2014 academic year. This dataset includes various identifiers used to identify school districts, including names; local, state, and federal IDs; and geographic descriptions on the location of each school.

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    Springbrook Water Reclamation Center Discharge (1998 - Current Year) | Last Updated 2020-09-14T16:09:09.000Z

    The Springbrook Water Reclamation Center serves as the wastewater treatment facility for Naperville and Warrenville. Treated water is discharged into the DuPage River. This dataset shows the average daily amount of treated water discharged to the DuPage River in millions of gallons by month.

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    Public Water Supply Usage (2008 - Current Year) | Last Updated 2020-09-22T16:12:36.000Z

    Naperville receives its water supply from Lake Michigan through the DuPage Water Commission. This dataset shows the average daily amount of water purchased by the City of Naperville in millions of gallons by month.

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    JULIE Service Requests | Last Updated 2020-07-07T19:42:16.000Z

    Number of Joint Utility Locating Information for Excavators (JULIE) Requests Serviced by Electric Utility per month

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    Beach Lab Data | Last Updated 2020-09-27T22:00:22.000Z

    The Chicago Park District collects and analyzes water samples from beaches along Chicago’s Lake Michigan lakefront. The Chicago Park District partners with the University of Illinois at Chicago Department of Public Health Laboratory to analyze water samples using a new DNA testing method called Rapid Testing Method (qPCR analysis) which tests for Enterococci in order to monitor swimming safety. The rapid testing method (qPCR analysis) is a new method that measures levels of pathogenic DNA in beach water. Unlike the culture based test that requires up to 24 hours of processing, the new rapid testing method requires a 4-5 hours for results. The Chicago Park District can use results of the rapid test to notify the public when levels exceed UPEPA recommended levels, which is 1000* CCE. When DNA bacteria levels exceed 1000 CCE, a yellow swim advisory flag is implemented. For more information please refer to the USEPA Recreational Water Quality Criteria ( Historically, the Chicago Park District used the culture based analysis method and statistical prediction models to monitor beach water quality. The culture based method tests for Escherichia coli (E. coli) bacteria which is an indicator species for the presence of disease-causing bacteria, viruses, and protozoans that may pose health risks to the public. This method requires 18-24 hours of processing to receive results. The Chicago Park District would use results of the culture based method to notify the public when levels exceed UPEPA recommended levels, which is 235* CFU. When bacteria levels exceed 235 CFU, a yellow swim advisory flag was implemented. This standard is still used at most beaches throughout the Great Lakes region. For more information please refer to the USEPA Recreational Water Quality Criteria. The statistical prediction model forecasted real-time Escherichia coli (E. coli) bacteria levels present in the water. The Chicago Park District (CPD) in partnership with the US Geological Survey, developed statistical prediction models by using weather data pulled from CPD buoys ( and weather stations ( The Chicago Park District would use results of the predictive model to notify the public when bacteria levels would exceed 235 CFU. When bacteria levels exceed 235 CFU, a yellow swim advisory flag was implemented. * The unit of measurement for Escherichia coli is Colony Forming Units (CFU) per 100 milliliters of water. (Culture Based Method / Statistical Prediction Model) *The unit of measuring DNA is Enterococci Calibrator Cell Equivalents (CCE) per 100 milliliters of water. (Rapid Testing Analysis)

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    Strategic Vacant Anchors | Last Updated 2018-09-26T18:58:06.000Z

    Location information and building attributes of the identified Strategic Anchors in Naperville, IL.

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    CDPH Environmental Inspections | Last Updated 2020-09-23T12:25:40.000Z

    Inspections conducted by the Department of Environment (DOE) from April, 1997 to December 31, 2011 and by the Department of Public Health (CDPH) since January 1, 2012. On January 1, 2012, the Department of Environment was disbanded and all its inspection, permitting, and enforcement authorities were transferred to the CDPH. Data fields requiring description are detailed below. INSPECTION ID: This is the unique identifier of the inspection. DOE inspection records are prefixed with “DOEINS.” CDPH inspections are numeric. INSPECTION NAME: This is the name of the site that was inspected. This is usually the company/owner name, address, or building name. MAPPED LOCATION: Contains the latitude/longitude coordinates of the facility. The latitude/longitude coordinate is determined through the Chicago Open Data Portal’s geocoding process. INSPECTOR: Contains the name of the inspector or engineer who conducted the inspection. INSPECTION CATEGORY: Describes the type of inspection performed. Generally, inspection types can be organized into the following categories: “COMPLAINT RESPONSE” Inspections conducted in response to citizen complaints. See CDPH Environmental Complaints dataset for type of environmental complaints. “SOLID WASTE INSPECTIONS” Inspections of permitted waste facilities and inspections conducted as part of a delegation agreement with the Illinois Environmental Protection Agency. These inspections include inspections of solid and liquid waste handling facilities, recycling facilities, junkyards, compost facilities, temporary and permanent rock crushing facilities and illegal dump sites. “AIR QUALITY INSPECTION”: Inspections of all permitted industrial facilities with potential to emit pollutants into the air, including area sources such as dry cleaners, motor vehicle repair facilities and architectural surface cleaning. “HAZMATS” Inspections conducted in response to a hazardous material incident and typically conducted with the Fire Department’s HAZMAT units. Also includes inspection audits of facilities subject to Tier II reporting under the Emergency Planning and Community Right-to-Know Act (EPCRA) . “NOISE” Inspections conducted in response to noise-related complaints. “TANK INSPECTIONS” Underground Storage Tank (UST) inspections conducted in conjunction with a UST permit and as part of a delegation agreement with the Illinois Office of the State of Fire Marshall (OSFM).These inspections include including UST Removal, UST Abandon, UST Install, UST Upgrade, UST Reline, UST Repair, Stage II and UST Green Decal. This Inspection Type also includes non-OSFM inspections for Aboveground Storage Tank (AST) permits, Abandoned Gas Stations, Leaking Underground Storage Tanks (LUST), UST Emergency Response, historic Filling Station Licenses, and miscellaneous tank inspections. “DEMOLITION/ASBESTOS” Inspections associated with Demolition or NESHAP Notice of Intents (NOIs). See Chapter 11-4 Article XVIII (see “MISC INSPECTIONS” Other inspections including but not limited Water Pollution, Site Assessment, historic Bus Facility and historic Invasive Species inspections per Chapter 11-4 Article XXII (see of the Municipal Code. INSPECTION SUB CATEGORY: More specific inspection type under an Inspection Category. INSPECTION DATE: Date when inspection occurred. NARRATIVE: Contains the inspector’s narrative log of the inspection. DATA SOURCE: The city department that collected the data.

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    Daily Loading Profile 2012-Present | Last Updated 2019-08-16T20:09:55.000Z

    Citywide total daily electric load (usage) measured hourly, presented here as a daily total beginning on January 1, 2012 through last updated date.

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    Water and Wastewater Utility Asset Count 2013-2018 | Last Updated 2020-09-16T14:05:59.000Z

    A count of some of the major water and wastewater assets within the City of Naperville years 2013-2018.

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    Water Service Outage Index (2006 - Current Year) | Last Updated 2020-09-17T13:46:03.000Z

    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.