> For the complete documentation index, see [llms.txt](https://urbanfootprint.gitbook.io/mapping/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://urbanfootprint.gitbook.io/mapping/data-layer-standards/administrative-boundaries.md).

# Administrative Boundaries

Most boundary layers should be presented as outlines with no fill (in Analyst, use `No column (single symbol)`) since these layers are primarily used to show explicit distinctions between geographic areas.

<figure><img src="/files/CLdOoDQKXo1HhX3vTnzm" alt=""><figcaption><p><strong>School Districts: No column (single symbol)</strong> — Fill: None • Stroke: 1px #666666 • Opacity: 80%</p></figcaption></figure>

### Default column

<table data-header-hidden><thead><tr><th width="268"></th><th></th></tr></thead><tbody><tr><td><strong>Example layers</strong></td><td>Census County<br>Census Tract<br>School Districts</td></tr><tr><td><strong>Default column</strong></td><td><code>No column (single symbol)</code></td></tr><tr><td><strong>Default column style</strong></td><td><p><code>Fill: None</code></p><p><code>Stroke: 1px #666666</code></p><p><code>Opacity: 80%</code></p></td></tr></tbody></table>

### If the column displayed is...

{% tabs %}
{% tab title="Numeric" %}
`Fill:`

| ![](/files/uEtFjf5OiPLMQeWH4aUF) | ![](/files/9Xrmydk7iM2tvL5jcOfA) | ![](/files/GtyAdXJzCjx1Ata99SMw) | ![](/files/6dWmDzSVnbjayDZzQgKF) | ![](/files/eXvQGwrJsD8WJb5Dpsf8) | ![](/files/OGJKDHf9zTkqlLmIcQuH) | ![](/files/1DdhzW8kWMhrOVD8WtxT) |
| -------------------------------- | -------------------------------- | -------------------------------- | -------------------------------- | -------------------------------- | -------------------------------- | -------------------------------- |
| `F7FCFD`                         | `D5E3EF`                         | `AAC3DE`                         | `8F95C6`                         | `8A5DAA`                         | `812186`                         | `4D004B`                         |

`Stroke: 1px #CCCCCC`

`Opacity: 80%`

#### Numeric column example

<figure><img src="/files/FXCpCosAvzpGy0WgaYlc" alt=""><figcaption><p><strong>Food Environment Atlas: Population w/ low access to store</strong> — Fill: Multiple colors (above) • Stroke: 1px #CCCCCC • Opacity: 80%</p></figcaption></figure>
{% endtab %}

{% tab title="Categorical" %}
`Fill:`

| ![](/files/4udNDYAE4uTiDt2VJAzG) | ![](/files/SE2lP2qgoS0Fw7j2TTZe) | ![](/files/Ks7MQQHfU6P9EwtC55Rm) | ![](/files/gTdX87N2GB7MiiybP97R) | ![](/files/hf41X6kzhyTfgiVbjY0G) | ![](/files/12a5KQAp03xWyFVrfrGV) | ![](/files/IekiZL4zriyRWEBwOj06) |
| -------------------------------- | -------------------------------- | -------------------------------- | -------------------------------- | -------------------------------- | -------------------------------- | -------------------------------- |
| `1F77B4`                         | `FF7F0E`                         | `2CA02C`                         | `D62728`                         | `9467BD`                         | `E377C2`                         | `7F7F7F`                         |

`Stroke: 1px #FFFFFF`

`Opacity: 80%`

#### Categorical example

<figure><img src="/files/0JwA9QSzG1oyDspJU8Z5" alt=""><figcaption><p><strong>Neighborhood Boundaries: County column</strong> — Fill: Multiple colors (see above) • Stroke: 1px #FFFFFF • Opacity: 80%</p></figcaption></figure>
{% endtab %}
{% endtabs %}