United States - Congressional Districts | MapChart

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Save / Upload Configuration

Save

To save the current map configuration (colors of countries-states, borders, legend data), click the button below to download a small mapchartSave.txt file containing all the information.
Save map configuration

Upload

When you are ready to continue your work, upload below the mapchartSave.txt file you previously downloaded.

Choose a file…
or drag and drop your config file here,

or,

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Selected file: -

Autosave

Autosave is made frequently, as you color and edit your map. There is one autosave kept for each page on the website, stored locally in your browser's cache.

WARNING! Current map will be cleared of all data.

If you are also a user of the MapChart mobile app for Android and iOS, you can import your map settings from the website to the app and back. Details in this blog post.

Difference between scaling and nonscaling patterns

What is this?

When you color a district with a pattern (dots, stripes, etc.), the pattern by default gets scaled (resized) to fit its size. You can change this to use nonscaling patterns that look the same on all districts. Examples:

Scaling (default)

Nonscaling

What to choose?

It can depend on the map or the patterns/colors you select, but generally:

Scaling patterns (default) are better for maps with small subdivisions, like the detailed maps or the US counties map.

Scaling patterns (default) are better for zoomed in areas.

Nonscaling patterns can look better for maps with larger subdivisions, like the simple World map or the US states map.

Nonscaling patterns can look better when you have a small number of patterns in your map, as they stand out more.

In any case, you can switch this setting on/off as many times as you need to see the difference live on your map. More details on the blog.

Advanced Settings and Shortcuts

Right-click on a district to:

Remove its color.

Color it with a pattern (dots, stripes, etc.).

Show or hide it.

Hold Control and move your mouse over the map to quickly color several districts. Holding Control + Shift has the opposite result.

Control + Z undoes your latest action. Control + Y redoes it.

In the legend table, click on a color box to change the color for all districts in the group. Right-click on it to select the color again.

Alt + Shift + click on a district to color all its districts with the selected color.

Use to detach and move the color picker around the page.

Holding Shift and clicking on a district should:

Border width for districts:

Default color for districts:

Do not scale patterns (What's the difference? )

Create a pattern

Background color:

Pattern color:

Pattern Type:

🇺🇸 USA Congressional Districts Map

Make your own map showing the 435 Congressional Districts

Great for making predictions for the upcoming 2020 House elections. Updated for the 116th Congress.

Use Excel to speed up the creation process for this map. Full instructions here.

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Select layout for the user interface:

Default

Simple ⚡

Simple - Reversed ⚡

Your selection will be saved for your next visits to this map page. You can always change this back.

CONTROLS

: Zoom in/out

: Move Map

You can also use W,A,S,D,I,O on your keyboard or the controls on the right.

You can still switch colors, click on districts to paint them, etc.

Step 1: Coloring/Editing the Map

Select the color you want and click on a district on the map. Right-click on it to remove its color, hide it, and more. Advanced...

Select color:

More Options

Background:

Borders color:

Borders:

State borders:

Show state abbr.:

Special options...

Color all Districts of a State

Select a state and click COLOR STATE to color all its districts with the selected color. Keyboard shortcut: Alt + Shift + click on a district.

Make a Map of a Single State

Select the state that you want to isolate and click ISOLATE STATE. To return to the whole map view again, choose SHOW ALL.

Search for a District and Color it

Search for the district you want and click COLOR DISTRICT to fill it with the current Fill Color. To remove the color of the selected district, choose REMOVE COLOR .

Step 2: Choosing the Legend

Add the title you want for the map's legend and choose a label for each color group. Change the color for all districts in a group by clicking on it.

Drag the legend on the map to set its position or resize it. Use legend options to customize its color, font, and more.

Legend title:

Legend options...

Visibility:

Size:

Position:

Font:

Background:

Font color:

or

same as group's color:

Color Label Remove

Step 3: Getting the Map

When ready, select Preview Map. To download the map: Right click > Save image as... or select Download Map.

If you want to change something, select Edit. To start over, select Clear All.

Download Map

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