Why Custom geocoding in Tableau? - Purpose & Use Cases

The Big Idea

What if you could map any place in the world instantly, even if Tableau doesn't know it yet?

The Scenario

Imagine you have a list of store locations with addresses but no latitude or longitude. You want to map them in Tableau, but Tableau's built-in locations don't recognize your custom places or new areas.

The Problem

Manually searching for coordinates online and entering them one by one is slow and prone to mistakes. Copy-pasting hundreds of locations wastes time and can cause errors that ruin your map's accuracy.

The Solution

Custom geocoding lets you upload your own location data with exact coordinates into Tableau. This way, Tableau can map your unique places automatically and accurately without manual lookups.

Before vs After

✗ Before

Find lat/lon online
Copy to spreadsheet
Manually join in Tableau

✓ After

Upload custom geocode CSV
Tableau maps locations automatically

What It Enables

It enables you to visualize any location data on maps, even if Tableau doesn't recognize those places by default.

Real Life Example

A retail chain wants to map new store locations in emerging neighborhoods not in Tableau's database. Custom geocoding lets them see sales by these new areas instantly.

Key Takeaways

Manual location mapping is slow and error-prone.

Custom geocoding automates accurate mapping of unique places.

This unlocks powerful, precise geographic insights in Tableau.