soilbycounty

Oklahoma Soil Data

Soil data for 77 counties

The most common soil order across Oklahoma's 77 counties is Alfisols. County-level average pH ranges from 4.9 to 7.1, reflecting the state's diverse geology and land use. Approximately 1% of counties report poor or very poor drainage as the dominant class, which can affect crop selection and land management decisions.

Counties in Oklahoma

CountyDominant TextureAvg pHDrainageSoil Order
Adair CountyStony silt loam4.9Somewhat excessively drainedUltisols
Alfalfa CountyWater6.5N/AN/A
Atoka CountyWater5.5N/AN/A
Beaver CountySand7.1N/AN/A
Beckham CountyWater6.7N/AN/A
Blaine CountyWater6.5N/AN/A
Bryan CountyWater6.2N/AN/A
Caddo CountyWater6.0N/AN/A
Canadian CountyWater6.0N/AN/A
Carter CountyLoam6.5N/AN/A
Cherokee CountyWater4.9SubaqueousN/A
Choctaw CountyWater6.0N/AN/A
Cimarron CountyVariable6.8N/AN/A
Cleveland CountyWater5.7N/AN/A
Coal CountyWater5.3N/AN/A
Comanche CountyVariable5.8N/AN/A
Cotton CountyVariable6.3N/AN/A
Craig CountyLoam5.8N/AN/A
Creek CountyWater5.9N/AN/A
Custer CountyWater6.4N/AN/A
Delaware CountyLoam5.2SubaqueousN/A
Dewey CountyLoamy fine sand6.8Somewhat excessively drainedEntisols
Ellis CountyWater7.1N/AN/A
Garfield CountyWater6.4N/AN/A
Garvin CountyWater6.0N/AN/A
Grady CountyWater6.0N/AN/A
Grant CountyWater6.5N/AN/A
Greer CountyWater6.9N/AN/A
Harmon CountyVariable6.9N/AN/A
Harper CountyWater7.1N/AN/A
Haskell CountyLoamy fine sand5.5Well drainedAlfisols
Hughes CountySilt loam5.5Well drainedMollisols
Jackson CountyVariable6.7Well drainedN/A
Jefferson CountyWater6.0N/AN/A
Johnston CountyClay loam6.2Moderately well drainedAlfisols
Kay CountyWater6.3N/AN/A
Kingfisher CountyWater6.3N/AN/A
Kiowa CountyWater6.4N/AN/A
Latimer CountyWater5.3N/AN/A
Le Flore CountyWater5.9N/AN/A
Lincoln CountyClay6.1Very poorly drainedMollisols
Logan CountyWater6.0N/AN/A
Love CountyLoam6.6N/AN/A
Major CountyWater6.8N/AN/A
Marshall CountyLoamy fine sand6.6Somewhat excessively drainedAlfisols
Mayes CountyWater5.2N/AN/A
McClain CountyWater6.0N/AN/A
McCurtain CountyWater5.5N/AN/A
McIntosh CountyWater5.6N/AN/A
Murray CountyFine sandy loam6.1Well drainedAlfisols
Muskogee CountySilt loam5.6Well drainedEntisols
Noble CountyVariable6.0N/AN/A
Nowata CountyWater5.3N/AN/A
Okfuskee CountyLoam6.0N/AN/A
Oklahoma CountyFine sandy loam5.8Well drainedAlfisols
Okmulgee CountyWater5.4N/AN/A
Osage CountyWater6.0N/AN/A
Ottawa CountyWater5.5N/AN/A
Pawnee CountyWater6.1N/AN/A
Payne CountyWater6.2N/AN/A
Pittsburg CountyGravelly sandy loam5.2Excessively drainedInceptisols
Pontotoc CountyLoam6.2N/AN/A
Pottawatomie CountySilty clay loam6.0Moderately well drainedMollisols
Pushmataha CountyWater5.3N/AN/A
Roger Mills CountyWater6.8N/AN/A
Rogers CountyLoam5.2N/AN/A
Seminole CountyWater5.8N/AN/A
Sequoyah CountyWater5.5N/AN/A
Stephens CountyWater5.8N/AN/A
Texas CountyWater6.9N/AN/A
Tillman CountyWater7.0N/AN/A
Tulsa CountyVariable5.4N/AN/A
Wagoner CountyWater5.6N/AN/A
Washington CountyWater5.4N/AN/A
Washita CountyWater6.7N/AN/A
Woods CountyVariable7.0N/AN/A
Woodward CountyFine sandy loam6.6Well drainedEntisols