GeoJSON

Definition

GeoJSON is a lightweight format for encoding geographic data using JSON (JavaScript Object Notation). It is commonly used in web mapping applications, GIS platforms, and spatial databases. GeoJSON can represent points, lines, polygons, and multi-geometries, making it useful for showing administrative boundaries, postcode areas, and deprivation indices. Its simplicity and compatibility with web technologies make it easy to work with and read by both humans and machines.

Also known as

Geographic JSON, Shapefile

Relevance to OCSI

GeoJSON files are a filetype which can be used to bulk upload custom areas to Local Insight, as well as exporting boundaries from the platform.

Author

Tom Roe
Marketing and Product Sales Manager

Enabling real change in Hounslow with a measured, data-led approach

Exploring Scotland’s Census 2022 data at a small-area level

Data Heroes: Tim Berners-Lee

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English Indices of Deprivation 2025

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left behind neighbourhoods

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