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Indiana soil by county

Across Indiana's mapped land, shrink-swell clay limits houses without basements on 12% and a shallow water table limits basements on 66%.

Highest clay shares: Blackford County (63%), Jay County (60%), Wells County (55%), Harrison County (53%), Adams County (45%). Highest water-table shares: Tipton County (98%), Adams County (97%), Blackford County (96%), Jay County (96%), Hancock County (96%).

Data as of September 22, 2026 · 92 counties

Adams County: 45%Allen County: 38%Bartholomew County: 4%Benton County: 2%Blackford County: 63%Boone County: 26%Brown County: 1%Carroll County: 5%Cass County: 6%Clark County: 13%Clay County: 2%Clinton County: 10%Crawford County: 9%Daviess County: 5%Dearborn County: 38%Decatur County: 4%DeKalb County: 20%Delaware County: 39%Dubois County: 0%Elkhart County: 1%Fayette County: 2%Floyd County: 27%Fountain County: 8%Franklin County: 15%Fulton County: 0%Gibson County: 4%Grant County: 43%Greene County: 9%Hamilton County: 5%Hancock County: 4%Harrison County: 53%Hendricks County: 14%Henry County: 11%Howard County: 22%Huntington County: 30%Jackson County: 4%Jasper County: 5%Jay County: 60%Jefferson County: 13%Jennings County: 5%Johnson County: 1%Knox County: 8%Kosciusko County: 5%LaGrange County: 3%Lake County: 16%LaPorte County: 0%Lawrence County: 26%Madison County: 11%Marion County: 4%Marshall County: 1%Martin County: 3%Miami County: 21%Monroe County: 9%Montgomery County: 20%Morgan County: 5%Newton County: 4%Noble County: 9%Ohio County: 40%Orange County: 13%Owen County: 4%Parke County: 1%Perry County: 27%Pike County: 1%Porter County: 7%Posey County: 4%Pulaski County: 2%Putnam County: 2%Randolph County: 25%Ripley County: 5%Rush County: 17%Scott County: 2%Shelby County: 2%Spencer County: 3%St. Joseph County: 1%Starke County: 0%Steuben County: 5%Sullivan County: 2%Switzerland County: 41%Tippecanoe County: 1%Tipton County: 42%Union County: 1%Vanderburgh County: 5%Vermillion County: 6%Vigo County: 1%Wabash County: 13%Warren County: 5%Warrick County: 6%Washington County: 16%Wayne County: 10%Wells County: 55%White County: 0%Whitley County: 29%
Expansive clay: share of mapped land where shrink-swell clay limits houses without basementsunder 10%10-25%25-40%40-60%60%+
Adams County: 97%Allen County: 88%Bartholomew County: 67%Benton County: 95%Blackford County: 96%Boone County: 93%Brown County: 21%Carroll County: 71%Cass County: 65%Clark County: 44%Clay County: 69%Clinton County: 94%Crawford County: 26%Daviess County: 64%Dearborn County: 36%Decatur County: 86%DeKalb County: 88%Delaware County: 86%Dubois County: 50%Elkhart County: 54%Fayette County: 41%Floyd County: 20%Fountain County: 64%Franklin County: 53%Fulton County: 64%Gibson County: 62%Grant County: 93%Greene County: 52%Hamilton County: 81%Hancock County: 96%Harrison County: 17%Hendricks County: 84%Henry County: 87%Howard County: 93%Huntington County: 93%Jackson County: 60%Jasper County: 86%Jay County: 96%Jefferson County: 56%Jennings County: 76%Johnson County: 76%Knox County: 46%Kosciusko County: 52%LaGrange County: 39%Lake County: 77%LaPorte County: 52%Lawrence County: 20%Madison County: 90%Marion County: 52%Marshall County: 58%Martin County: 30%Miami County: 80%Monroe County: 20%Montgomery County: 77%Morgan County: 59%Newton County: 88%Noble County: 72%Ohio County: 28%Orange County: 24%Owen County: 49%Parke County: 42%Perry County: 48%Pike County: 53%Porter County: 70%Posey County: 54%Pulaski County: 90%Putnam County: 65%Randolph County: 94%Ripley County: 77%Rush County: 87%Scott County: 76%Shelby County: 81%Spencer County: 66%St. Joseph County: 52%Starke County: 84%Steuben County: 59%Sullivan County: 61%Switzerland County: 40%Tippecanoe County: 64%Tipton County: 98%Union County: 53%Vanderburgh County: 71%Vermillion County: 50%Vigo County: 58%Wabash County: 82%Warren County: 82%Warrick County: 60%Washington County: 31%Wayne County: 72%Wells County: 93%White County: 81%Whitley County: 91%
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 Indiana

Select a column heading to sort.
Adams County 45% 97% 0% 4 1971
Allen County 38% 88% 0% 32 1976
Bartholomew County 4% 67% 0% 34 1979
Benton County 2% 95% 0% 0 1954
Blackford County 63% 96% 0% 0 1960
Boone County 26% 93% 0% 3 1995
Brown County 1% 21% 0% 35 1982
Carroll County 5% 71% 0% 84 1966
Cass County 6% 65% 0% 1 1956
Clark County 13% 44% 0% 208 1982
Clay County 2% 69% 0% 5 1974
Clinton County 10% 94% 0% 1 1957
Crawford County 9% 26% 0% 13 1984
Daviess County 5% 64% 0% 2 1975
DeKalb County 20% 88% 0% 3 1975
Dearborn County 38% 36% 0% 29 1982
Decatur County 4% 86% 0% 7 1973
Delaware County 39% 86% 0% 78 1967
Dubois County under 1% 50% 0% 10 1980
Elkhart County 1% 54% 0% 123 1977
Fayette County 2% 41% 0% 30 1962
Floyd County 27% 20% 0% 43 1980
Fountain County 8% 64% 0% 0 1966
Franklin County 15% 53% 0% 21 1981
Fulton County under 1% 64% 0% 9 1966
Gibson County 4% 62% 0% 4 1974
Grant County 43% 93% 0% 7 1963
Greene County 9% 52% 0% 4 1978
Hamilton County 5% 81% 0% 103 2001
Hancock County 4% 96% 0% 4 1991
Harrison County 53% 17% 0% 79 1990
Hendricks County 14% 84% 0% 6 1998
Henry County 11% 87% 0% 22 1961
Howard County 22% 93% 0% 20 1969
Huntington County 30% 93% 0% 2 1966
Jackson County 4% 60% 0% 9 1978
Jasper County 5% 86% 0% 19 1985
Jay County 60% 96% 0% 0 1959
Jefferson County 13% 56% 0% 94 1973
Jennings County 5% 76% 0% 1 1982
Johnson County 1% 76% 0% 40 1993
Knox County 8% 46% 0% 9 1962
Kosciusko County 5% 52% 0% 44 1979
LaGrange County 3% 39% 0% 19 1982
LaPorte County under 1% 52% 0% 13 1969
Lake County 16% 77% 0% 122 1968
Lawrence County 26% 20% 0% 4 1973
Madison County 11% 90% 0% 59 1965
Marion County 4% 52% 0% 238 1973
Marshall County 1% 58% 0% 21 1973
Martin County 3% 30% 0% 4 1981
Miami County 21% 80% 0% 3 1961
Monroe County 9% 20% 0% 56 1986
Montgomery County 20% 77% 0% 4 1967
Morgan County 5% 59% 0% 19 1981
Newton County 4% 88% 0% 10 1971
Noble County 9% 72% 0% 48 1976
Ohio County 40% 28% 0% 1 1978
Orange County 13% 24% 0% 5 1980
Owen County 4% 49% 0% 17 1982
Parke County 1% 42% 0% 3 1972
Perry County 27% 48% 0% 12 1976
Pike County 1% 53% 0% 0 1973
Porter County 7% 70% 0% 20 1982
Posey County 4% 54% 0% 13 1976
Pulaski County 2% 90% 0% 20 1970
Putnam County 2% 65% 0% 3 1981
Randolph County 25% 94% 0% 10 1958
Ripley County 5% 77% 0% 16 1978
Rush County 17% 87% 0% 6 1954
Scott County 2% 76% 0% 3 1983
Shelby County 2% 81% 0% 31 1972
Spencer County 3% 66% 0% 10 1979
St. Joseph County 1% 52% 0% 54 1968
Starke County 0% 84% 0% 15 1974
Steuben County 5% 59% 0% 3 1981
Sullivan County 2% 61% 0% 0 1973
Switzerland County 41% 40% 0% 26 1990
Tippecanoe County 1% 64% 0% 10 1987
Tipton County 42% 98% 0% 19 1965
Union County 1% 53% 0% 0 1970
Vanderburgh County 5% 71% 0% 73 1970
Vermillion County 6% 50% 0% 0 1962
Vigo County 1% 58% 0% 24 1968
Wabash County 13% 82% 0% 5 1959
Warren County 5% 82% 0% 0 1973
Warrick County 6% 60% 0% 8 1986
Washington County 16% 31% 0% 11 1982
Wayne County 10% 72% 0% 54 1960
Wells County 55% 93% 0% 3 1973
White County under 1% 81% 0% 31 1969
Whitley County 29% 91% 0% 4 1979

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.