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Yankton County, South Dakota property search

Search an address or an owner in Yankton County, South Dakota with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 13,604 lots are mapped here, covering 306,228 acres. 1,750 of them are held by institutions rather than by individuals.

Farmers and landowners in Yankton County received $15.4 million in federal farm program payments in 2025, paid to 813 recipients. Crop insurance paid $12.2 million in claims for the 2024 crop year.

13,604
Lots mapped
306,228
Acres
1,750
Institutional

Largest landowners in Yankton County

Largest landowners by acreage in Yankton County, South Dakota
OwnerParcelsAcres
HEINE FARMS322,427
MARQUARDT FAMILY LTD PRTNRSH272,414
FREEBURG LIMITED PARTNERSHIP171,651
REZAC FARMS INC81,287
JHGAS FARMS LLC121,286
LUCAS FAMILY INVESTMENTS LLC91,035
NELSON FAMILY PARTNERSHIP141,021
GURNEY FARMS INC6962
HANSEN CATTLE CO INC14853
HEINE FARMS SD LLC7835

Companies, trusts and public agencies, ranked by acres held under the name on the assessor's file. Private individuals are not ranked. Largest landowners in South Dakota

Federal farm payments in Yankton County

$15.4M
Paid in 2025
813
Recipients
Federal farm program payments by program in Yankton County, South Dakota, 2025
ProgramPaid
Emergency Commodity Assistance Program$6.8M
Supplemental Disaster Relief Non-Spec Crops$5.5M
CRP Payment - Annual Rental$2.2M
Emergency Livestock Relief Program 2023-24$325K
Agricultural Risk Coverage Program - County$267K
Emergency Assist Livestock Bees Fish ELAP$197K

USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county

Crop insurance in Yankton County

1,603
Policies
216,013
Insured acres
$12.2M
Claims paid
0.76
Loss ratio
Crop insurance claims by crop in Yankton County, South Dakota, 2024
CropClaims
Soybeans$6.2M
Corn$5.4M
Pasture,Rangeland,Forage$527K
Forage Seeding$17K
Wheat$11K

USDA Risk Management Agency Summary of Business, 2024 crop year.

Conservation and the power grid

11,820
CRP acres, 2025
17
Substations
230 kV
Highest voltage

Conservation Reserve Program acres under contract (USDA FSA). Substations in service, from a public copy of the federal HIFLD layer.

Find out who owns a property in Yankton County by address, free, or work out a lot's acreage.

Nearby counties in South Dakota

  • Clay County9,305
  • Turner County10,099
  • Bon Homme County8,875
  • Hutchinson County12,434
  • Union County13,655
  • Lincoln County13,397
  • Hanson County4,291
  • Minnehaha County53,492

All South Dakota counties

This copy of Yankton County's records was taken on August 11, 2026. Assessment records, not a survey.