diff --git a/app/controllers/application.js b/app/controllers/application.js
index e61ff811..f2f28e50 100644
--- a/app/controllers/application.js
+++ b/app/controllers/application.js
@@ -39,7 +39,7 @@ const defaultSelectedPfirmOptionSets = floodplainPfirm2015OptionSets
   .reduce((acc, curr) => acc.concat(curr))
   .sort();
 
-const defaultSelectedCouncilDistricts = ['2013'];
+const defaultSelectedCouncilDistricts = ['2024'];
 
 // define new query params here:
 export const mapQueryParams = new QueryParams(
diff --git a/config/environment.js b/config/environment.js
index 6e17a11e..33ad86a0 100644
--- a/config/environment.js
+++ b/config/environment.js
@@ -337,7 +337,7 @@ module.exports = function (environment) {
     cityCouncilDistrictsOptionSets: [
       {
         name: '2013-2023',
-        checked: true,
+        checked: false,
         codes: ['2013'],
         style: {
           color: '#33D8DC',
@@ -345,7 +345,7 @@ module.exports = function (environment) {
       },
       {
         name: '2024-2033',
-        checked: false,
+        checked: true,
         codes: ['2024'],
         style: {
           color: '#DC333D',