diff --git a/core/config/schema/core.data_types.schema.yml b/core/config/schema/core.data_types.schema.yml
index 4968087..c3f9fd1 100644
--- a/core/config/schema/core.data_types.schema.yml
+++ b/core/config/schema/core.data_types.schema.yml
@@ -56,6 +56,12 @@ label:
   label: 'Label'
   translatable: true
 
+# Translatable plural string
+plural_string:
+  type: string
+  label: 'Plural string'
+  translatable: true
+
 # Internal Drupal path
 path:
   type: string
diff --git a/core/modules/config_translation/config_translation.module b/core/modules/config_translation/config_translation.module
index ea4e532..02da186 100644
--- a/core/modules/config_translation/config_translation.module
+++ b/core/modules/config_translation/config_translation.module
@@ -188,6 +188,7 @@ function config_translation_config_schema_info_alter(&$definitions) {
     'text_format' => '\Drupal\config_translation\FormElement\TextFormat',
     'mapping' => '\Drupal\config_translation\FormElement\ListElement',
     'sequence' => '\Drupal\config_translation\FormElement\ListElement',
+    'plural_string' => '\Drupal\config_translation\FormElement\PluralString',
   );
 
   // Enhance the text and date type definitions with classes to generate proper
diff --git a/core/modules/config_translation/src/FormElement/PluralString.php b/core/modules/config_translation/src/FormElement/PluralString.php
new file mode 100644
index 0000000..da216ee
--- /dev/null
+++ b/core/modules/config_translation/src/FormElement/PluralString.php
@@ -0,0 +1,75 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\config_translation\FormElement\PluralString.
+ */
+
+namespace Drupal\config_translation\FormElement;
+
+use Drupal\Core\Config\Config;
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\language\Config\LanguageConfigOverride;
+
+/**
+ * Defines the plural string textfield elements for the configuration translation interface.
+ */
+class PluralString extends FormElementBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getSourceElement(LanguageInterface $source_language, $source_config) {
+    $values = explode(LOCALE_PLURAL_DELIMITER, $source_config);
+    $element = array(
+      '#type' => 'fieldset',
+      '#title' => $this->t($this->definition->getLabel()),
+      '#tree' => TRUE,
+    );
+    for ($i = 0; $i < 2; $i++) {
+      $element[] = array(
+        '#type' => 'item',
+        '#title' => $this->t('!label <span class="visually-hidden">(!source_language)</span>', array(
+          '!label' => ($i == 0 ? 'Singular form' : 'Plural form'),
+          '!source_language' => $source_language->getName(),
+        )),
+        '#markup' => '<span lang="' . $source_language->getId() . '">' . nl2br($values[$i]) . '</span>',
+      );
+    }
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getTranslationElement(LanguageInterface $translation_language, $source_config, $translation_config) {
+    $plurals = $this->getNumberOfPlurals($translation_language->getId());
+    $values = explode(LOCALE_PLURAL_DELIMITER, $translation_config);
+    $element = array(
+      '#type' => 'fieldset',
+      '#title' => $this->t($this->definition->getLabel()),
+      '#tree' => TRUE,
+    );
+    for ($i = 0; $i < $plurals; $i++) {
+      $element[$i] = array(
+        '#type' => 'textfield',
+        '#title' => $this->t('!label <span class="visually-hidden">(!source_language)</span>', array(
+          '!label' => ($i == 0 ? $this->t('Singular form') : $this->formatPlural($i, 'First plural form', '@count. plural form')),
+          '!source_language' => $translation_language->getName(),
+        )),
+        '#default_value' => $values[$i],
+        '#attributes' => array('lang' => $translation_language->getId()),
+      );
+    }
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setConfig(Config $base_config, LanguageConfigOverride $config_translation, $config_values, $base_key = NULL) {
+    $config_values = implode(LOCALE_PLURAL_DELIMITER, $config_values);
+    parent::setConfig($base_config, $config_translation, $config_values, $base_key);
+  }
+
+}
diff --git a/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php b/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
index 807307c..dac68fd 100644
--- a/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
+++ b/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
@@ -607,6 +607,35 @@ public function testViewsTranslationUI() {
   }
 
   /**
+   * Test translation of plural strings in config.
+   */
+  public function testPluralConfigStrings() {
+    $this->drupalLogin($this->adminUser);
+
+    // Translate the files view, as this one uses numeric formatters.
+    $description = 'Singular form';
+    $field_value = '1 place';
+    $field_value_plural = '@count places';
+    $translation_url = 'admin/structure/views/view/files/translate/fr/add';
+    $this->drupalGet($translation_url);
+
+    // Make sure original text is present on this page.
+    $this->assertRaw($description);
+    $this->assertFieldByName('translation[config_names][views.view.files][display][default][display_options][fields][count][format_plural_string][0]', $field_value);
+    $this->assertFieldByName('translation[config_names][views.view.files][display][default][display_options][fields][count][format_plural_string][1]', $field_value_plural);
+    // Then make sure it also works.
+    $edit = [
+      'translation[config_names][views.view.files][display][default][display_options][fields][count][format_plural_string][0]' => $field_value . ' FR',
+      'translation[config_names][views.view.files][display][default][display_options][fields][count][format_plural_string][1]' => $field_value_plural . ' FR',
+    ];
+    $this->drupalPostForm($translation_url, $edit, t('Save translation'));
+    // Make sure the values has changed.
+    $this->drupalGet($translation_url);
+    $this->assertFieldByName('translation[config_names][views.view.files][display][default][display_options][fields][count][format_plural_string][0]', "$field_value FR");
+    $this->assertFieldByName('translation[config_names][views.view.files][display][default][display_options][fields][count][format_plural_string][1]', "$field_value_plural FR");
+  }
+
+  /**
    * Test translation storage in locale storage.
    */
   public function testLocaleDBStorage() {
diff --git a/core/modules/views/config/schema/views.field.schema.yml b/core/modules/views/config/schema/views.field.schema.yml
index 1c884fb..39a21d8 100644
--- a/core/modules/views/config/schema/views.field.schema.yml
+++ b/core/modules/views/config/schema/views.field.schema.yml
@@ -117,7 +117,7 @@ views.field.numeric:
       type: boolean
       label: 'Format plural'
     format_plural_string:
-      type: label
+      type: plural_string
       label: 'Singular and one or more plurals'
     prefix:
       type: label