How to Select by Attribute in QGIS

Updated on:

June 8, 2026

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Use this interactive demo to learn how to filter map features using attribute-based expressions in QGIS.

Quick summary

Select by Attribute in QGIS lets you filter and highlight specific map features by writing expressions against layer data fields. Using the built-in expression builder, you can instantly isolate features that match any field value or condition without manual selection.

Steps

Go to the Layers Panel and right-click a layer.
Select Open Attribute Table from the context menu.
In the Attribute Table, click Select Features Using an Expression on the top menu.
Enter your expression by clicking the fields in the right panel and the operators at the top.
Once done, click Select Features to run the query.
The table will highlight all details related to your entered expression.

📌 Why this matters

QGIS Select by Attribute is a core spatial analysis feature that allows GIS users to programmatically filter map layers based on field values without manual picking. This capability is essential for anyone working with large geospatial datasets who needs to isolate specific features — such as roads above a certain width or parcels within a zone — in seconds. By using the expression builder inside the Attribute Table, users gain full control over complex queries using standard operators and field references. Mastering this workflow dramatically speeds up data-driven mapping, analysis, and reporting tasks in QGIS.

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