DuPage County Soil Data
DuPage County, Illinois
Avg pH
6.4
Texture
Silt Loam
Drainage
N/A
Organic Matter
6.2%
Hydrologic Group
N/A
Data Story
About Soil in DuPage County, Illinois
Consistent acidity for northern Illinois
DuPage County features a 6.37 pH, staying right in line with the Illinois average of 6.39. This slightly acidic profile is very common and manageable for suburban landscaping and gardens.
High clay for sturdy ground
The soil contains 24.0% clay and 57.6% silt, making it one of the heavier mixes in the region. This 14.5% sand content adds just enough grit to help with structural stability and air pore space.
Exceptional organic matter levels
Organic matter is an incredible 6.21%, more than double the Illinois state average of 2.94%. This massive nutrient reservoir contributes to a very high soil score of 85.7.
High capacity for water storage
Specific drainage classes are not listed, but the 0.208 water capacity shows the soil absorbs rainfall efficiently. The high organic content helps manage water even in densely developed areas.
Hardy plants thrive in Zone 5b
Zone 5b gardeners can grow a wide variety of perennials and cool-season vegetables. Your soil's elite organic levels mean your garden will be exceptionally fertile and productive.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Hydrologic group data not available.
Drainage Class
Drainage class data not available.
Soil Profile
Dominant texture: Silt Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does DuPage County have?
DuPage County's soil is classified as Silt Loam. This indicates the relative proportions of sand, silt, and clay — 14% sand, 58% silt, and 24% clay. Loamy soils hold moisture well and support a wide range of plants.
Is DuPage County's soil acidic or alkaline?
DuPage County's soil has a pH of 6.4, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for DuPage County?
Drainage class data is not currently available for DuPage County.
What crops or plants grow well in DuPage County's soil?
Based on DuPage County's Silt Loam texture, pH of 6.4, and drainage class, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens.
What USDA soil order is found in DuPage County?
The dominant USDA soil order for DuPage County is not currently available in our dataset.
Planning your lawn? View lawn care data for DuPage County on LawnByCounty.com →
Other Counties in Illinois
Soil data sourced from USDA SSURGO via Soil Data Access. Data is informational only and should not be used as a substitute for on-site soil testing. Contact your local NRCS office for site-specific soil information.