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Florida soil by county

Across Florida's mapped land, shrink-swell clay limits houses without basements on 2% and a shallow water table limits basements on 70%.

Highest clay shares: Nassau County (7%), Flagler County (6%), Duval County (6%), Gulf County (6%), Polk County (6%). Highest water-table shares: DeSoto County (99%), Baker County (99%), Hardee County (99%), Hendry County (98%), Union County (94%).

Data as of September 22, 2026 · 67 counties

Alachua County: 3%Baker County: 0%Bay County: 0%Bradford County: 0%Brevard County: 3%Broward County: 0%Calhoun County: 4%Charlotte County: 0%Citrus County: 0%Clay County: 0%Collier County: 0%Columbia County: 0%DeSoto County: 0%Dixie County: 0%Duval County: 6%Escambia County: 0%Flagler County: 6%Franklin County: 5%Gadsden County: 0%Gilchrist County: 0%Glades County: 0%Gulf County: 6%Hamilton County: 3%Hardee County: 0%Hendry County: 0%Hernando County: 4%Highlands County: 0%Hillsborough County: 1%Holmes County: 0%Indian River County: 1%Jackson County: 1%Jefferson County: 0%Lafayette County: 0%Lake County: 4%Lee County: 0%Leon County: 1%Levy County: 5%Liberty County: 1%Madison County: 0%Manatee County: 0%Marion County: 5%Martin County: 0%Miami-Dade County: 1%Monroe County: no dataNassau County: 7%Okaloosa County: 0%Okeechobee County: 0%Orange County: 1%Osceola County: 1%Palm Beach County: 0%Pasco County: 1%Pinellas County: 0%Polk County: 6%Putnam County: 1%Santa Rosa County: 1%Sarasota County: 0%Seminole County: 4%St. Johns County: 5%St. Lucie County: 0%Sumter County: 2%Suwannee County: 1%Taylor County: 0%Union County: 0%Volusia County: 3%Wakulla County: 1%Walton County: 1%Washington County: 0%
Expansive clay: share of mapped land where shrink-swell clay limits houses without basementsunder 10%10-25%25-40%40-60%60%+
Alachua County: 50%Baker County: 99%Bay County: 64%Bradford County: 93%Brevard County: 78%Broward County: 83%Calhoun County: 72%Charlotte County: 77%Citrus County: 39%Clay County: 68%Collier County: 82%Columbia County: 68%DeSoto County: 99%Dixie County: 87%Duval County: 78%Escambia County: 47%Flagler County: 93%Franklin County: 91%Gadsden County: 43%Gilchrist County: 38%Glades County: 75%Gulf County: 92%Hamilton County: 65%Hardee County: 99%Hendry County: 98%Hernando County: 50%Highlands County: 80%Hillsborough County: 78%Holmes County: 65%Indian River County: 90%Jackson County: 49%Jefferson County: 71%Lafayette County: 85%Lake County: 51%Lee County: 59%Leon County: 41%Levy County: 65%Liberty County: 85%Madison County: 62%Manatee County: 90%Marion County: 35%Martin County: 75%Miami-Dade County: 55%Monroe County: no dataNassau County: 93%Okaloosa County: 32%Okeechobee County: 85%Orange County: 72%Osceola County: 88%Palm Beach County: 84%Pasco County: 68%Pinellas County: 38%Polk County: 68%Putnam County: 68%Santa Rosa County: 37%Sarasota County: 86%Seminole County: 63%St. Johns County: 88%St. Lucie County: 89%Sumter County: 77%Suwannee County: 30%Taylor County: 92%Union County: 94%Volusia County: 74%Wakulla County: 76%Walton County: 43%Washington County: 61%
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 Florida

Select a column heading to sort.
Alachua County 3% 50% 100% 143 1988
Baker County 0% 99% 35% 25 1996
Bay County 0% 64% 0% 2,834 1993
Bradford County 0% 93% 100% 99 1985
Brevard County 3% 78% 0% 1,514 1988
Broward County under 1% 83% 44% 8,553 1980
Calhoun County 4% 72% 0% 9 1986
Charlotte County 0% 77% 49% 8,931 1991
Citrus County under 1% 39% 0% 3,918 1990
Clay County under 1% 68% 100% 916 1996
Collier County 0% 82% 75% 12,708 1996
Columbia County under 1% 68% 70% 63 1992
DeSoto County under 1% 99% 100% 232 1990
Dixie County 0% 87% 0% 337 1988
Duval County 6% 78% 9% 3,091 1986
Escambia County 0% 47% 21% 2,744 1984
Flagler County 6% 93% 38% 1,751 2002
Franklin County 5% 91% 0% 927 1988
Gadsden County under 1% 43% 22% 6 1983
Gilchrist County under 1% 38% 81% 20 1997
Glades County 0% 75% 64% 8 1990
Gulf County 6% 92% 0% 1,010 1995
Hamilton County 3% 65% 26% 2 1990
Hardee County under 1% 99% 100% 78 1987
Hendry County 0% 98% 74% 34 1991
Hernando County 4% 50% 31% 1,680 1991
Highlands County 0% 80% 100% 113 1987
Hillsborough County 1% 78% 100% 11,560 1991
Holmes County under 1% 65% 35% 20 1983
Indian River County 1% 90% 0% 353 1991
Jackson County 1% 49% 0% 25 1983
Jefferson County 0% 71% 71% 2 1987
Lafayette County 0% 85% 64% 3 1990
Lake County 4% 51% 91% 287 1997
Lee County 0% 59% 31% 39,266 1997
Leon County 1% 41% 79% 89 1989
Levy County 5% 65% 18% 659 1993
Liberty County 1% 85% 0% 1 1991
Madison County 0% 62% 33% 4 1988
Manatee County under 1% 90% 100% 7,288 1991
Marion County 5% 35% 59% 106 1993
Martin County under 1% 75% 42% 264 1986
Miami-Dade County 1% 55% 99% 7,815 1980
Monroe County n/a n/a 100% 8,933 1982
Nassau County 7% 93% 0% 359 2000
Okaloosa County 0% 32% 0% 450 1990
Okeechobee County 0% 85% 78% 28 1988
Orange County 1% 72% 50% 1,332 1994
Osceola County 1% 88% 38% 654 2002
Palm Beach County 0% 84% 44% 1,175 1986
Pasco County 1% 68% 78% 6,560 1992
Pinellas County 0% 38% 100% 30,513 1977
Polk County 6% 68% 100% 856 1992
Putnam County 1% 68% 100% 414 1985
Santa Rosa County 1% 37% 9% 1,450 1998
Sarasota County 0% 86% 100% 9,725 1988
Seminole County 4% 63% 5% 957 1988
St. Johns County 5% 88% 36% 6,372 2004
St. Lucie County 0% 89% 2% 377 1996
Sumter County 2% 77% 19% 62 2006
Suwannee County 1% 30% 98% 62 1991
Taylor County under 1% 92% 57% 415 1986
Union County 0% 94% 100% 7 1994
Volusia County 3% 74% 15% 8,561 1986
Wakulla County 1% 76% 15% 317 1998
Walton County 1% 43% 0% 294 2001
Washington County under 1% 61% 0% 39 1990

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.