Agriculture has been a defining characteristic of McHenry County throughout much of its history. Although the county has experienced significant growth and development over the past three decades, agriculture remains a vital component of the local economy. As of 2020, McHenry County was home to 911 farms encompassing 234,211 acres – approximately 60% of the county’s total land area. With an average farm size of 257 acres, the agricultural sector continues to have a substantial presence in the county and provides employment for approximately 2,300 residents.

In 2019, crops grown in McHenry County generated $182.4 million in market value. The county also ranks first in Illinois for the value of Christmas trees harvested and aquaculture production, fifth for acreage planted to forage crops, and seventh for the value of milk sales.

From fertile fields to expanding industries, McHenry County’s growth reflects the strength and diversity of its economy.