Crop History for Mahaska County, Iowa

2008–2026 · USDA CDL + 2026 ML Forecast

New: 2026 preseason crop forecast estimated

Every agricultural field in Mahaska County, Iowa now has a calibrated 2026 crop probability — corn, soybean, wheat, cotton, rice, and 16 other classes. Backtest accuracy: F1 ≈ 0.76 corn, ≈ 0.79 soy. View 2026 forecast on the map →

Top Crops (2025)

Corn

36.0%

Soybeans

27.4%

Grassland/Pasture

16.6%

Deciduous_Forest

6.3%

Developed/Low_Intensity

3.7%

Developed/Open_Space

2.1%

Woody_Wetlands

1.7%

Herbaceous_Wetlands

1.2%

Alfalfa

1.2%

Open_Water

0.9%

Dominant Crop by Year

2008: Corn

30.5%

2009: Corn

32.7%

2010: Corn

34.5%

2011: Corn

34.6%

2012: Corn

34.3%

2013: Corn

31.0%

2014: Corn

33.0%

2015: Corn

33.4%

2016: Corn

34.0%

2017: Corn

34.3%

2018: Corn

33.5%

2019: Corn

35.0%

2020: Corn

36.0%

2021: Corn

34.2%

2022: Corn

32.9%

2023: Corn

33.1%

2024: Corn

33.4%

2025: Corn

36.0%

See all of Iowa →

Explore on Map Get API Access