diff --git a/.changeset/brave-ways-carry.md b/.changeset/brave-ways-carry.md
new file mode 100644
index 00000000000..b0dc24804ad
--- /dev/null
+++ b/.changeset/brave-ways-carry.md
@@ -0,0 +1,5 @@
+---
+'@shopify/polaris': patch
+---
+
+Fixed a bug where `DataTable` summary row would not properly inherit type defined in `columnContentTypes` prop
diff --git a/polaris-react/src/components/DataTable/DataTable.tsx b/polaris-react/src/components/DataTable/DataTable.tsx
index a62fac6c2e6..ba3689bb8ad 100644
--- a/polaris-react/src/components/DataTable/DataTable.tsx
+++ b/polaris-react/src/components/DataTable/DataTable.tsx
@@ -852,7 +852,7 @@ class DataTableInner extends PureComponent<CombinedProps, DataTableState> {
   }) => {
     const fixedFirstColumns = this.fixedFirstColumns();
     const id = `totals-cell-${index}`;
-    const {truncate = false, verticalAlign} = this.props;
+    const {truncate = false, verticalAlign, columnContentTypes} = this.props;
 
     let content;
     let contentType;
@@ -862,7 +862,7 @@ class DataTableInner extends PureComponent<CombinedProps, DataTableState> {
     }
 
     if (total !== '' && index > 0) {
-      contentType = 'numeric';
+      contentType = columnContentTypes[index];
       content = total;
     }