diff --git a/src/microplex_us/targets/arch.py b/src/microplex_us/targets/arch.py
index f7ed6f4..630617c 100644
--- a/src/microplex_us/targets/arch.py
+++ b/src/microplex_us/targets/arch.py
@@ -4545,6 +4545,9 @@ def _arch_consumer_fact_constraint(
     variable = str(constraint["variable"])
     if variable in ARCH_IGNORED_FACT_CONSTRAINT_VARIABLES:
         return None
+    value = _json_scalar_text(constraint.get("value"))
+    if variable == "sex":
+        return _arch_sex_constraint(str(constraint["operator"]), value)
     try:
         mapped_variable = ARCH_FACT_CONSTRAINT_VARIABLE_ALIASES[variable]
     except KeyError as exc:
@@ -4554,7 +4557,7 @@ def _arch_consumer_fact_constraint(
     return (
         mapped_variable,
         str(constraint["operator"]),
-        _json_scalar_text(constraint.get("value")),
+        value,
     )
 
 
@@ -4689,6 +4692,13 @@ def _arch_fact_constraint(row: sqlite3.Row) -> tuple[str, str, str] | None:
     variable = str(row["constraint_variable"])
     if variable in ARCH_IGNORED_FACT_CONSTRAINT_VARIABLES:
         return None
+    value = _sqlite_json_scalar_text(
+        row["constraint_value_text"],
+        row["constraint_value_numeric"],
+        row["constraint_value_json"],
+    )
+    if variable == "sex":
+        return _arch_sex_constraint(str(row["constraint_operator"]), value)
     try:
         mapped_variable = ARCH_FACT_CONSTRAINT_VARIABLE_ALIASES[variable]
     except KeyError as exc:
@@ -4698,11 +4708,25 @@ def _arch_fact_constraint(row: sqlite3.Row) -> tuple[str, str, str] | None:
     return (
         mapped_variable,
         str(row["constraint_operator"]),
-        _sqlite_json_scalar_text(
-            row["constraint_value_text"],
-            row["constraint_value_numeric"],
-            row["constraint_value_json"],
-        ),
+        value,
+    )
+
+
+def _arch_sex_constraint(operator: str, value: str) -> tuple[str, str, str]:
+    canonical_operator = _canonical_arch_constraint_operator(operator)
+    value_text = str(value).strip().lower()
+    if value_text in {"female", "f", "2", "2.0"}:
+        is_female_value = "1"
+    elif value_text in {"male", "m", "1", "1.0"}:
+        is_female_value = "0"
+    else:
+        raise ValueError(f"No Microplex Arch sex constraint mapping for value {value!r}")
+    if canonical_operator == "==":
+        return ("is_female", "==", is_female_value)
+    if canonical_operator == "!=":
+        return ("is_female", "==", "0" if is_female_value == "1" else "1")
+    raise ValueError(
+        f"No Microplex Arch sex constraint mapping for operator {operator!r}"
     )
 
 
diff --git a/tests/targets/test_arch_facts.py b/tests/targets/test_arch_facts.py
index c8a4e98..0e71e16 100644
--- a/tests/targets/test_arch_facts.py
+++ b/tests/targets/test_arch_facts.py
@@ -1562,6 +1562,61 @@ def test_arch_consumer_fact_jsonl_provider_maps_acs_district_age_rows(
     }
 
 
+def test_arch_consumer_fact_jsonl_provider_maps_acs_state_age_sex_rows(
+    tmp_path: Path,
+) -> None:
+    consumer_jsonl = tmp_path / "consumer_facts.jsonl"
+    row = _consumer_fact(
+        "acs-ca-female-40-44",
+        concept="census_acs.person_count",
+        domain="total_population",
+        source_name="census_acs",
+        source_table="ACS B01001 state female age",
+        period={"type": "calendar_year", "value": 2023},
+        geography={"level": "state", "id": "0400000US06", "name": "California"},
+        value=1_300_307,
+        constraints=(
+            {
+                "variable": "age",
+                "operator": ">=",
+                "value": 40,
+                "unit": "years",
+                "role": "filter",
+            },
+            {
+                "variable": "age",
+                "operator": "<",
+                "value": 45,
+                "unit": "years",
+                "role": "filter",
+            },
+            {
+                "variable": "sex",
+                "operator": "==",
+                "value": "female",
+                "role": "filter",
+            },
+        ),
+    )
+    consumer_jsonl.write_text(json.dumps(row, sort_keys=True) + "\n")
+
+    target_set = ArchConsumerFactJSONLTargetProvider(consumer_jsonl).load_target_set(
+        TargetQuery(period=2023)
+    )
+
+    assert len(target_set.targets) == 1
+    target = target_set.targets[0]
+    assert target.value == 1_300_307
+    assert target.metadata["variable"] == "person_count"
+    assert target.metadata["geo_level"] == "state"
+    assert _target_filter_tuples(target) == {
+        ("age", ">=", "40"),
+        ("age", "<", "45"),
+        ("is_female", "==", "1"),
+        ("state_fips", "==", "06"),
+    }
+
+
 def test_arch_consumer_fact_jsonl_provider_maps_acs_district_snap_rows(
     tmp_path: Path,
 ) -> None: