Proof of concept.This is an unofficial demo built by Datopian from the City of Evanston's public data. The official portal is data.cityofevanston.org. Questions or feedback: hello@datopian.com

A PortalJS proof of concept · data from the City of Evanston's ArcGIS Hub

311 Service Requests (2013 to 2022)

Service requests submitted to Evanston 311 between 12/30/2013 to 2/23/2022. Please note that this dataset is not complete, and we are working to correct missing and duplicate records.

Records
223,974
Formats
4
Last updated
Jun 26, 2025

Download & API

311 Service Requests (2013 to 2022) (CSV)csv
Spreadsheet — attributes, with coordinates for point layers
Download
311 Service Requests (2013 to 2022) (GeoParquet)geoparquet
Columnar — query with DuckDB / SQL
Download
311 Service Requests (2013 to 2022) (map tiles)pmtiles
Vector tiles — embed in a map
Download
Live ArcGIS layer (source)arcgis
Download

Rendered from PMTiles, queried in-browser from GeoParquet — no server. How this works

Schema

FieldTypeValues
Request ID
ID
integer209,795 to 11,567,909
Status (as of Date Updated)
Status
string5 values: COMPLETED (222,312), IN_PROGRESS (1,149), RECEIVED (281)…
API Source
API_Source
string12 values: gov.publicstuff.com (158,959), www.publicstuff.com (27,113), Iframe (24,674)…
Request Type
Title
string
Date Created
Date_Created
datetime
Date Updated
Date_Updated
datetime
ZIP Code
ZIP_Code
string
Latitudenumber41.99 to 42.09
Longitudenumber-87.80 to -87.66
Address Location
Address_Location
string