Posts
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St. Louis Crime Counts – Year over year change
Tracts with no data are from municipalities that do not report offenses to St. Louis County. Some tracts within these municipalities may show data when St. Louis County Police are involved.
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St. Louis Pothole Reports and Repairs
The St. Louis City Street Division makes pothole reports public at their website as well as through an ArcGIS map application. As reports are taken in, a request number is assigned, and when the pothole is repaired the request is marked as “closed.” It appears that some potholes are reported more than once, as the…
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St. Louis 2024 Crimes per Person by Census Tract
This map visualizes the number of crimes per person in each census tract in St. Louis County and the City of St. Louis. Hovering over a tract will show the underlying census tract and crimes per person. Clicking the tract will load underlying data into the table below the map. What counts as a “crime?”…
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Saint Louis sports – Average home game attendance
St. Louis has a long history of supporting professional sports and has hosted numerous pro teams over the past 150 years. Recent years have seen the introduction of a Major League Soccer team, St. Louis City SC, and the St. Louis Battlehawks, a former XFL football franchise now playing in the UFL. Both new teams…
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Visualization exercise – Mapping Saint Louis city trees
The forestry division of the City of Saint Louis provides some detailed public data on the trees that it maintains. These include trees in the easements along the city’s streets and in most of the city parks. To view the data, the city has created an ArcGIS webmap that color codes trees based on condition:…
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Saint Louis City Trees by condition
Data from the City of Saint Louis Forestry Division This web map uses ArcGIS Online. The source data is from the City of Saint Louis Forestry Division. To create the map, I first downloaded the source data in the geoJSON format, which is a type of JSON file commonly used for geographic data. After creating…