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Arkansas soil by county

Across Arkansas's mapped land, shrink-swell clay limits houses without basements on 23% and a shallow water table limits basements on 48%.

Highest clay shares: Fulton County (66%), Crittenden County (62%), Desha County (55%), Mississippi County (52%), Chicot County (51%). Highest water-table shares: Poinsett County (90%), Cross County (87%), Craighead County (85%), Grant County (84%), Mississippi County (84%).

Data as of September 22, 2026 · 75 counties

Arkansas County: 21%Ashley County: 11%Baxter County: 40%Benton County: 3%Boone County: 19%Bradley County: 6%Calhoun County: 3%Carroll County: 22%Chicot County: 51%Clark County: 24%Clay County: 21%Cleburne County: 9%Cleveland County: 8%Columbia County: 23%Conway County: 11%Craighead County: 9%Crawford County: 16%Crittenden County: 62%Cross County: 34%Dallas County: 10%Desha County: 55%Drew County: 15%Faulkner County: 6%Franklin County: 15%Fulton County: 66%Garland County: 10%Grant County: 5%Greene County: 21%Hempstead County: 47%Hot Spring County: 14%Howard County: 21%Independence County: 18%Izard County: 9%Jackson County: 27%Jefferson County: 36%Johnson County: 5%Lafayette County: 49%Lawrence County: 29%Lee County: 21%Lincoln County: 31%Little River County: 36%Logan County: 10%Lonoke County: 22%Madison County: 24%Marion County: 24%Miller County: 43%Mississippi County: 52%Monroe County: 29%Montgomery County: 5%Nevada County: 19%Newton County: 16%Ouachita County: 9%Perry County: 38%Phillips County: 28%Pike County: 17%Poinsett County: 27%Polk County: 5%Pope County: 12%Prairie County: 17%Pulaski County: 23%Randolph County: 40%Saline County: 34%Scott County: 35%Searcy County: 22%Sebastian County: 5%Sevier County: 20%Sharp County: 48%St. Francis County: 32%Stone County: 10%Union County: 15%Van Buren County: 17%Washington County: 20%White County: 13%Woodruff County: 25%Yell County: 20%
Expansive clay: share of mapped land where shrink-swell clay limits houses without basementsunder 10%10-25%25-40%40-60%60%+
Arkansas County: 77%Ashley County: 80%Baxter County: 13%Benton County: 47%Boone County: 23%Bradley County: 79%Calhoun County: 83%Carroll County: 16%Chicot County: 72%Clark County: 55%Clay County: 81%Cleburne County: 6%Cleveland County: 78%Columbia County: 81%Conway County: 27%Craighead County: 85%Crawford County: 15%Crittenden County: 77%Cross County: 87%Dallas County: 66%Desha County: 70%Drew County: 81%Faulkner County: 38%Franklin County: 19%Fulton County: 3%Garland County: 7%Grant County: 84%Greene County: 77%Hempstead County: 62%Hot Spring County: 35%Howard County: 31%Independence County: 30%Izard County: 3%Jackson County: 72%Jefferson County: 65%Johnson County: 10%Lafayette County: 61%Lawrence County: 62%Lee County: 81%Lincoln County: 63%Little River County: 60%Logan County: 33%Lonoke County: 80%Madison County: 11%Marion County: 13%Miller County: 70%Mississippi County: 84%Monroe County: 81%Montgomery County: 26%Nevada County: 71%Newton County: 2%Ouachita County: 45%Perry County: 17%Phillips County: 78%Pike County: 23%Poinsett County: 90%Polk County: 14%Pope County: 13%Prairie County: 80%Pulaski County: 32%Randolph County: 40%Saline County: 24%Scott County: 15%Searcy County: 5%Sebastian County: 46%Sevier County: 56%Sharp County: 4%St. Francis County: 83%Stone County: 9%Union County: 74%Van Buren County: 3%Washington County: 24%White County: 52%Woodruff County: 72%Yell County: 31%
High water table: share of mapped land where a shallow water table limits basementsunder 10%10-25%25-40%40-60%60%+

Every county in Arkansas

Select a column heading to sort.
Arkansas County 21% 77% 100% 26 1978
Ashley County 11% 80% 100% 23 1977
Baxter County 40% 13% 49% 12 1985
Benton County 3% 47% 100% 162 2001
Boone County 19% 23% 99% 6 1985
Bradley County 6% 79% 100% 15 1977
Calhoun County 3% 83% 100% 1 1982
Carroll County 22% 16% 100% 5 1989
Chicot County 51% 72% 100% 44 1979
Clark County 24% 55% 100% 10 1985
Clay County 21% 81% 100% 56 1973
Cleburne County 9% 6% 81% 19 1989
Cleveland County 8% 78% 100% 0 1987
Columbia County 23% 81% 100% 0 1981
Conway County 11% 27% 79% 9 1984
Craighead County 9% 85% 100% 106 1992
Crawford County 16% 15% 100% 19 1991
Crittenden County 62% 77% 100% 59 1983
Cross County 34% 87% 100% 4 1981
Dallas County 10% 66% 100% 0 1978
Desha County 55% 70% 100% 77 1977
Drew County 15% 81% 100% 8 1985
Faulkner County 6% 38% 97% 122 1998
Franklin County 15% 19% 100% 5 1985
Fulton County 66% 3% 100% 22 1986
Garland County 10% 7% 100% 42 1984
Grant County 5% 84% 100% 6 1991
Greene County 21% 77% 100% 22 1991
Hempstead County 47% 62% 100% 5 1979
Hot Spring County 14% 35% 100% 4 1979
Howard County 21% 31% 100% 3 1979
Independence County 18% 30% 100% 8 1988
Izard County 9% 3% 100% 6 1984
Jackson County 27% 72% 100% 33 1974
Jefferson County 36% 65% 100% 141 1978
Johnson County 5% 10% 90% 1 1986
Lafayette County 49% 61% 100% 1 1978
Lawrence County 29% 62% 100% 16 1978
Lee County 21% 81% 77% 31 1973
Lincoln County 31% 63% 100% 9 1984
Little River County 36% 60% 92% 0 1980
Logan County 10% 33% 100% 0 1979
Lonoke County 22% 80% 100% 14 1997
Madison County 24% 11% 100% 0 1990
Marion County 24% 13% 53% 5 1986
Miller County 43% 70% 82% 35 1983
Mississippi County 52% 84% 100% 23 1977
Monroe County 29% 81% 100% 18 1976
Montgomery County 5% 26% 100% 6 1989
Nevada County 19% 71% 100% 0 1983
Newton County 16% 2% 37% 1 1983
Ouachita County 9% 45% 100% 15 1974
Perry County 38% 17% 100% 15 1989
Phillips County 28% 78% 100% 32 1974
Pike County 17% 23% 100% 0 1984
Poinsett County 27% 90% 100% 23 1978
Polk County 5% 14% 100% 4 1986
Pope County 12% 13% 61% 9 1988
Prairie County 17% 80% 100% 25 1979
Pulaski County 23% 32% 100% 363 1981
Randolph County 40% 40% 100% 117 1979
Saline County 34% 24% 100% 70 1997
Scott County 35% 15% 100% 2 1981
Searcy County 22% 5% 0% 0 1984
Sebastian County 5% 46% 100% 137 1981
Sevier County 20% 56% 100% 5 1980
Sharp County 48% 4% 100% 25 1978
St. Francis County 32% 83% 56% 2 1980
Stone County 10% 9% 43% 0 1988
Union County 15% 74% 100% 17 1979
Van Buren County 17% 3% 0% 1 1986
Washington County 20% 24% 100% 188 1995
White County 13% 52% 100% 22 1992
Woodruff County 25% 72% 94% 22 1977
Yell County 20% 31% 100% 2 1984

How these shares are counted

Shares are of mapped land in USDA's soil survey (SSURGO), weighted by each soil's share of every map unit. Drought is the US Drought Monitor's D1-or-worse share on the September 22, 2026 map. Flood losses are FEMA NFIP records since 2016. Sources and methods.