Crop and Land Use: Statewide Data

How do we define land use?

We use the USDA Land Use definitions which can be found at the ERS/USDA website.

Iowa Land Use

  Acres
Land in Farms 32,874,600
Unincorporated/Roads 709,400
Incorporated 1,778,800
Federal Land 184,100
Surface Water 469,300
Total Land 36,016,200

Land in Farms

  Acres
Cropland 26,821,844
Pastureland 1,440,627
Woodland 1,315,257
House Lots, Ponds, Roads 1,588,971
Land in CRP/WRP 1,707,901
Total Land in Farms 32,874,600

Iowa Cropland Use

  Acres
Harvested Cropland 23,323,249
Rotational Pasture 2,001,198
Other 1,497,844
Total Cropland 26,821,844
   
   


Iowa Statewide Yields & Acreages | 2006-2010

Year Corn Acres Harvested
(in 1000 acres)		 Corn Yields (bu/ac) Soybean Acres Harvested
(in 1000 acres)		 Soybean Yields (bu/ac)
2006 12,350 166.0 10,100 50.5
2007 13,900 171.0 8,630 52.0
2008 12,800 171.0 9,670 46.0
2009 13,400 182.0 9,530 51.0
2010 13,050 165.0 9,730 51.0
  Corn Weighted Average 171.1 Soybean Weighted Average 50.1

Iowa Statewide Yield and Acreage Trend Charts

1940-2010 Corn & Soybean Yields

1940-2010 Corn & Soybean Acreages

1960-2010 Corn & Soybean Yields w/ Regression

Iowa Soil Erosion Inventory

Sheet & Rill (Water) Erosion

Wind Erosion

Rural Land Classified as Primeland (USDA, NRI, 1982, 2009)

Prime farmland: Land that has the best combination of physical and chemical characteristics for producing food, feed, forage, fiber, and oilseed crops and is also available for these uses. (Summary Report, 1997 National Resources Inventory, Revised December 2000)

Year Iowa (acres) US (acres) % in Iowa
1977 19,127,000 344,811,000 5.55
1982 18,677,700 339,432,200 5.50
1987 18,656,200 337,377,800 5.53
1992 18,637,100 334,660,900 5.57
1997 18,573,400 331,149,200 5.61
2002 18,520,700 327,946,900 5.65
2007 18,484,300 325,658,800 5.68

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