diff --git a/src/pudl/output/ferc714.py b/src/pudl/output/ferc714.py
index 8049536b46..7d027f413a 100644
--- a/src/pudl/output/ferc714.py
+++ b/src/pudl/output/ferc714.py
@@ -652,18 +652,20 @@ def summarized_demand_ferc714(
             demand_hourly_pa_ferc714.loc[
                 :, ["report_date", "respondent_id_ferc714", "demand_mwh"]
             ],
+            on=["report_date", "respondent_id_ferc714"],
             how="left",
         )
-        .groupby(["report_date", "respondent_id_ferc714"])
-        .agg({"demand_mwh": sum})
+        .groupby(["report_date", "respondent_id_ferc714"], as_index=False)[
+            ["demand_mwh"]
+        ]
+        .sum(min_count=1)
         .rename(columns={"demand_mwh": "demand_annual_mwh"})
-        .reset_index()
         .merge(
             georeferenced_counties_ferc714.groupby(
-                ["report_date", "respondent_id_ferc714"]
-            )
-            .agg({"population": sum, "area_km2": sum})
-            .reset_index()
+                ["report_date", "respondent_id_ferc714"], as_index=False
+            )[["population", "area_km2"]].sum(min_count=1),
+            on=["report_date", "respondent_id_ferc714"],
+            how="left",
         )
         .assign(
             population_density_km2=lambda x: x.population / x.area_km2,
diff --git a/test/validate/service_territory_test.py b/test/validate/service_territory_test.py
index 4dbee9a988..203f40ff0e 100644
--- a/test/validate/service_territory_test.py
+++ b/test/validate/service_territory_test.py
@@ -13,7 +13,7 @@
     "df_name,expected_rows",
     [
         ("summarized_demand_ferc714", 3_195),
-        ("fipsified_respondents_ferc714", 135_627),
+        ("fipsified_respondents_ferc714", 135_537),
         ("compiled_geometry_balancing_authority_eia861", 112_507),
         ("compiled_geometry_utility_eia861", 247_705),
     ],
@@ -46,3 +46,43 @@ def test_minmax_rows(
             pv.check_max_rows, expected_rows=expected_rows, margin=0.0, df_name=df_name
         )
     )
+
+
+@pytest.mark.parametrize(
+    "df_name,expected_rows",
+    [("demand_hourly_pa_ferc714", 15_608_154)],
+)
+def test_minmax_rows_and_year_in_demand_hourly_pa_ferc714(
+    pudl_out_orig: "pudl.output.pudltabl.PudlTabl",
+    live_dbs: bool,
+    expected_rows: int,
+    df_name: str,
+):
+    """Test if the majority of the years in the two date columns line up & min/max rows.
+
+    We are parameterizing this test even though it only has one input because the
+    test_minmax_rows is a common test across many tables and we wanted to preserve the
+    format.
+    """
+    if not live_dbs:
+        pytest.skip("Data validation only works with a live PUDL DB.")
+    demand_hourly_pa_ferc714 = pudl_out_orig.__getattribute__(df_name)()
+    _ = demand_hourly_pa_ferc714.pipe(
+        pv.check_min_rows, expected_rows=expected_rows, margin=0.0, df_name=df_name
+    ).pipe(pv.check_max_rows, expected_rows=expected_rows, margin=0.0, df_name=df_name)
+
+    logger.info("Checking the consistency of the year in the multiple date columns.")
+    mismatched_report_years = demand_hourly_pa_ferc714[
+        (
+            demand_hourly_pa_ferc714.utc_datetime.dt.year
+            != demand_hourly_pa_ferc714.report_date.dt.year
+        )
+    ]
+    if (
+        off_ratio := len(mismatched_report_years) / len(demand_hourly_pa_ferc714)
+    ) > 0.001:
+        raise AssertionError(
+            f"Found more ({off_ratio:.2%}) than expected (>.1%) FERC714 records"
+            " where the report year from the utc_datetime differs from the "
+            "report_date column."
+        )