Delaware County, OK

What LandBenchmark can tell you about a parcel in Delaware County — and, just as importantly, what it can't.

Land area
737.8
sq mi
Water area
54.2
sq mi
County FIPS
40041
Center
36.393, -94.808

Area and center from the US Census Bureau 2023 Gazetteer.

Measured terrain around the Delaware County centroid

Centroid elevation
312
m (1,024 ft)
Terrain relief
113
m spread (p95−p5, ~20–40 km window)

The county center sits at about 312 m above sea level. Elevation across the sampled window spreads 113 m — hilly terrain by our banding (flat <30 m · gently rolling 30–100 m · hilly 100–300 m · mountainous >300 m). Water covers about 7% of the county's area (Census Gazetteer). These are county-scale context, not parcel measurements — a specific parcel gets its own slope, flood and usable-acreage readings when analyzed.

Elevation measured 2026-07-21 from the AWS Terrain Tiles (terrarium encoding, z10).

Data available for Delaware County

  • No free owner records. Oklahoma does not publish a free statewide parcel-and-owner dataset, so LandBenchmark cannot show who owns a parcel in Delaware County. The county assessor's office is the authoritative source. Every measured signal below is unaffected.
  • Legal description — township, range and section from the BLM Public Land Survey System.
  • FEMA flood zones, wetlands, soil survey and NCCPI soil productivity — the federal layers, all free and all available here.
  • 56 measured signals from satellite imagery and public records — slope and usable acreage, observed surface water, vegetation trend, wildfire and seismic hazard, access and neighboring land use. Each one cites its method, its source, and the date it was observed.

LandBenchmark has no listings and does not know what is for sale in Delaware County. It analyses a parcel you point it at. It is an automated Phase-1 desk screen, not a survey, a flood determination, or a substitute for on-site inspection.

Common questions about land in Delaware County

Can I see who owns a parcel in Delaware County?

Not from free data — Oklahoma does not publish a free statewide parcel-ownership dataset, and LandBenchmark does not buy broker data. The Delaware County assessor's office is the authoritative source; every measured signal is unaffected.

How hilly is Delaware County?

Around the county center, measured elevation spreads 113 m across a ~20–40 km window — hilly terrain by our banding. Individual parcels vary: a report measures the actual slope and usable acreage of the parcel you point it at.

What can LandBenchmark measure for a parcel in Delaware County?

56 measured signals, each cited with source and observation date: FEMA flood zone plus surface water observed in multi-year imagery, USFWS wetlands, USDA soil survey and productivity, slope and usable acreage, wildfire and seismic hazard, access and surroundings. What a satellite cannot verify — title, zoning, perc results, water rights — goes on a human-verify checklist naming the Delaware County offices that can.

Nearest neighboring counties