loading joining census_data_arcmap

Open ArcMap. Click on the Add Data button to addthe census dbf file and the Canada Digital Boundaryfile.

The ‘Add Data’ icon…

Load the data in ArcMap

Both files should appear in the table of contents

Join the two files

• To join the two files, a common field containing the same values must be identified.

• To identify a common, open the attribute table for both files by right clicking on each file and selecting Open Attribute Table.

• You will notice that CTUID from the boundary file is common to COL1 in the census table. We will use these two fields highlighted below for our join.

• Close the Attribute Tables.

• To join the census data to the boundary file, right click on the boundary file and select “Join and Relates.”

• Select “Join.”

Note: Do not join startingwith the dbf file to theboundary file.

In this Join window, choose the fields that the join will be based on.

• In this example, we use CTUID, and are basing this join on COL1 from the census table.

• Select the radio bottom to “keep only matching records”

• Click OK.

Open the Attribute Table to see if the join worked.

If the join was successful, remove the .dbf file

To visualize the census data, right-click on the layer, and selectProperties

The layer properties-window will open

Click on Symbology

Under Quantities on the left, select Graduated Colors.

You can now visualize the census data using the color ramp

In this example, we chose to visualize col4