diff --git a/changelog.d/fixed/8580.md b/changelog.d/fixed/8580.md
new file mode 100644
index 00000000000..b424d2cf164
--- /dev/null
+++ b/changelog.d/fixed/8580.md
@@ -0,0 +1 @@
+Restricted Kansas Commodity Supplemental Food Program eligibility to covered counties.
diff --git a/policyengine_us/tests/policy/baseline/gov/states/ks/dcf/csfp/ks_dcf_csfp_county_eligible.yaml b/policyengine_us/tests/policy/baseline/gov/states/ks/dcf/csfp/ks_dcf_csfp_county_eligible.yaml
new file mode 100644
index 00000000000..d5a33174d0f
--- /dev/null
+++ b/policyengine_us/tests/policy/baseline/gov/states/ks/dcf/csfp/ks_dcf_csfp_county_eligible.yaml
@@ -0,0 +1,50 @@
+- name: Kansas household in a FAQ-listed CSFP county
+  period: 2025
+  input:
+    people:
+      person:
+        age: 65
+    spm_units:
+      spm_unit:
+        members: [person]
+    households:
+      household:
+        members: [person]
+        state_code: KS
+        county_str: JOHNSON_COUNTY_KS
+  output:
+    ks_dcf_csfp_county_eligible: true
+
+- name: Kansas household in a spreadsheet-listed CSFP county
+  period: 2025
+  input:
+    people:
+      person:
+        age: 65
+    spm_units:
+      spm_unit:
+        members: [person]
+    households:
+      household:
+        members: [person]
+        state_code: KS
+        county_str: GRANT_COUNTY_KS
+  output:
+    ks_dcf_csfp_county_eligible: true
+
+- name: Kansas household outside CSFP covered counties
+  period: 2025
+  input:
+    people:
+      person:
+        age: 65
+    spm_units:
+      spm_unit:
+        members: [person]
+    households:
+      household:
+        members: [person]
+        state_code: KS
+        county_str: ALLEN_COUNTY_KS
+  output:
+    ks_dcf_csfp_county_eligible: false
diff --git a/policyengine_us/tests/policy/baseline/gov/usda/csfp/commodity_supplemental_food_program_eligible.yaml b/policyengine_us/tests/policy/baseline/gov/usda/csfp/commodity_supplemental_food_program_eligible.yaml
index e2c29440086..67cf5032c69 100644
--- a/policyengine_us/tests/policy/baseline/gov/usda/csfp/commodity_supplemental_food_program_eligible.yaml
+++ b/policyengine_us/tests/policy/baseline/gov/usda/csfp/commodity_supplemental_food_program_eligible.yaml
@@ -169,3 +169,39 @@
         state_code: TX
   output:
     commodity_supplemental_food_program_eligible: true
+
+- name: Kansas senior in a CSFP covered county is eligible
+  period: 2025
+  input:
+    people:
+      person:
+        age: 65
+    spm_units:
+      spm_unit:
+        members: [person]
+        school_meal_fpg_ratio: 1.4
+    households:
+      household:
+        members: [person]
+        state_code: KS
+        county_str: JOHNSON_COUNTY_KS
+  output:
+    commodity_supplemental_food_program_eligible: true
+
+- name: Kansas senior outside CSFP covered counties is not eligible
+  period: 2025
+  input:
+    people:
+      person:
+        age: 65
+    spm_units:
+      spm_unit:
+        members: [person]
+        school_meal_fpg_ratio: 1.0
+    households:
+      household:
+        members: [person]
+        state_code: KS
+        county_str: ALLEN_COUNTY_KS
+  output:
+    commodity_supplemental_food_program_eligible: false
diff --git a/policyengine_us/variables/gov/states/ks/dcf/csfp/ks_dcf_csfp_county_eligible.py b/policyengine_us/variables/gov/states/ks/dcf/csfp/ks_dcf_csfp_county_eligible.py
new file mode 100644
index 00000000000..a3e25c22475
--- /dev/null
+++ b/policyengine_us/variables/gov/states/ks/dcf/csfp/ks_dcf_csfp_county_eligible.py
@@ -0,0 +1,83 @@
+from policyengine_us.model_api import *
+
+
+KS_CSFP_COUNTIES = [
+    # Kansas DCF's FAQ jurisdiction table and linked site spreadsheet
+    # differ slightly, so include counties present in either DCF source.
+    "ANDERSON_COUNTY_KS",
+    "ATCHISON_COUNTY_KS",
+    "BARBER_COUNTY_KS",
+    "BARTON_COUNTY_KS",
+    "BOURBON_COUNTY_KS",
+    "BROWN_COUNTY_KS",
+    "BUTLER_COUNTY_KS",
+    "CHAUTAUQUA_COUNTY_KS",
+    "CHEROKEE_COUNTY_KS",
+    "CLAY_COUNTY_KS",
+    "COWLEY_COUNTY_KS",
+    "CRAWFORD_COUNTY_KS",
+    "DECATUR_COUNTY_KS",
+    "DONIPHAN_COUNTY_KS",
+    "DOUGLAS_COUNTY_KS",
+    "ELLIS_COUNTY_KS",
+    "ELLSWORTH_COUNTY_KS",
+    "FRANKLIN_COUNTY_KS",
+    "GEARY_COUNTY_KS",
+    "GRAHAM_COUNTY_KS",
+    "GRANT_COUNTY_KS",
+    "HARPER_COUNTY_KS",
+    "HARVEY_COUNTY_KS",
+    "HODGEMAN_COUNTY_KS",
+    "JACKSON_COUNTY_KS",
+    "JEFFERSON_COUNTY_KS",
+    "JOHNSON_COUNTY_KS",
+    "KEARNY_COUNTY_KS",
+    "KINGMAN_COUNTY_KS",
+    "KIOWA_COUNTY_KS",
+    "LABETTE_COUNTY_KS",
+    "LEAVENWORTH_COUNTY_KS",
+    "LYON_COUNTY_KS",
+    "MARION_COUNTY_KS",
+    "MARSHALL_COUNTY_KS",
+    "MIAMI_COUNTY_KS",
+    "MITCHELL_COUNTY_KS",
+    "MONTGOMERY_COUNTY_KS",
+    "MORRIS_COUNTY_KS",
+    "NEMAHA_COUNTY_KS",
+    "OSAGE_COUNTY_KS",
+    "OSBORNE_COUNTY_KS",
+    "PAWNEE_COUNTY_KS",
+    "PHILLIPS_COUNTY_KS",
+    "POTTAWATOMIE_COUNTY_KS",
+    "PRATT_COUNTY_KS",
+    "RENO_COUNTY_KS",
+    "RILEY_COUNTY_KS",
+    "RUSSELL_COUNTY_KS",
+    "SALINE_COUNTY_KS",
+    "SEDGWICK_COUNTY_KS",
+    "SEWARD_COUNTY_KS",
+    "SHAWNEE_COUNTY_KS",
+    "SHERMAN_COUNTY_KS",
+    "STAFFORD_COUNTY_KS",
+    "SUMNER_COUNTY_KS",
+    "THOMAS_COUNTY_KS",
+    "WABAUNSEE_COUNTY_KS",
+    "WASHINGTON_COUNTY_KS",
+    "WYANDOTTE_COUNTY_KS",
+]
+
+
+class ks_dcf_csfp_county_eligible(Variable):
+    value_type = bool
+    entity = Household
+    definition_period = YEAR
+    label = "Kansas DCF CSFP county eligible"
+    defined_for = StateCode.KS
+    reference = (
+        "https://www.dcf.ks.gov/services/ees/pages/usda-commodity-programs/csfp/csfp-faqs.aspx",
+        "https://content.dcf.ks.gov/ees/KEESM/Intranet/CSFPSitesbyJurisdiction.xlsx",
+    )
+
+    def formula(household, period, parameters):
+        county = household("county_str", period)
+        return np.isin(county, KS_CSFP_COUNTIES)
diff --git a/policyengine_us/variables/gov/usda/csfp/commodity_supplemental_food_program_eligible.py b/policyengine_us/variables/gov/usda/csfp/commodity_supplemental_food_program_eligible.py
index a0ea9a806d4..1934095d049 100644
--- a/policyengine_us/variables/gov/usda/csfp/commodity_supplemental_food_program_eligible.py
+++ b/policyengine_us/variables/gov/usda/csfp/commodity_supplemental_food_program_eligible.py
@@ -19,5 +19,8 @@ def formula(person, period, parameters):
         tx_income_eligible = person("tx_dta_csfp_income_eligible", period)
         state_code = person.household("state_code", period)
         in_tx = state_code == StateCode.TX
+        in_ks = state_code == StateCode.KS
         income_eligible = where(in_tx, tx_income_eligible, federal_income_eligible)
-        return age_eligible & income_eligible
+        ks_county_eligible = person.household("ks_dcf_csfp_county_eligible", period)
+        county_eligible = where(in_ks, ks_county_eligible, True)
+        return age_eligible & income_eligible & county_eligible