McHenry County, IL
311,747 residents · 603 sq mi · 516.7/sq mi · 14% rural
About McHenry County
McHenry County is located in the U.S. state of Illinois. According to the 2020 Census, it had a population of 310,229, making it the sixth-most populous county in Illinois. Its county seat is Woodstock. McHenry County is one of the five Illinois collar counties in the Chicago metropolitan area. Long known as a center of recreation along with agriculture in the western portion, it has recently experienced rapid rates of suburbanization, exurbanization and urbanization, but the western segment of the county remains primarily agricultural and rural.
Prepper Assessment
Living in McHenry County offers a mix of suburban and rural environments, with a population density of 516.7 people per square mile and 14% of the area classified as rural. The climate is humid, with an annual mean temperature of 48.2°F and 37.4 inches of rainfall per year, supporting a growing season suitable for various crops in USDA zone 7a. However, the cold winters may limit year-round gardening without adequate preparation.
Natural hazards present significant risks in this area, with FEMA rankings indicating high vulnerability to cold waves (97), tornadoes (96), and riverine flooding (93). The county has a low violence percentile of 2/100, suggesting it is a safer environment overall. However, the median home price of $270,600 may be a barrier for some aspiring homesteaders, especially given the effective property tax rate of 2.61%.
This county may be a good fit for those who appreciate a blend of rural and suburban lifestyles, particularly individuals who can manage the risks of extreme weather events. Experienced homesteaders familiar with the challenges of cold climates may thrive here, while newcomers to self-sufficiency or those seeking a more remote setting might find it less appealing. A dealbreaker could be the high risk of tornadoes and flooding, while the broadband access at 82% may be a hidden gem for those needing connectivity.