Hunt & Live

Williamson County, IL

66,695 residents · 420 sq mi · 158.7/sq mi · 41% rural

Climate
56.3°F
48.3" rain/yr
Water
humid
Aridity index 1.78
Hardiness
Zone 8a
Winter low ~14.7°F

About Williamson County

Williamson County is a county in Illinois. At the 2020 census, it had a population of 67,153. Its largest city and county seat is Marion. Williamson County is part of the Metro Lakeland area of Southern Illinois.

40
Prepper Suitability
worsebetter
National rank: #2165 of 3,109
Locator map
Location within the continental US

Prepper Assessment

Living in this area offers a mix of rural charm and access to urban amenities, with a population density of 158.7 people per square mile and 41% of the county classified as rural. The climate is humid, with an annual mean temperature of 56.3°F and 48.3 inches of rainfall, supporting a growing season suitable for various crops. However, the USDA zone 8a indicates that winters can be cold, with lows averaging 24.7°F, which may limit year-round self-sufficiency.

The county faces notable natural hazards, including strong winds (FEMA rank 99) and earthquakes (rank 96), which could pose significant risks to homesteaders. The disaster percentile is relatively high at 86, indicating a greater likelihood of facing severe weather events. Additionally, with a violence percentile of 32, safety concerns may arise, particularly in more populated areas. The cost of living is moderate, with median home prices around $139,500, but property taxes at 1.68% may impact long-term affordability.

This area could be a good fit for those seeking a balance between rural living and community access, particularly for individuals or families who can navigate the risks associated with natural hazards. However, those looking for absolute remoteness or minimal risk may find it less appealing. A dealbreaker for some might be the high disaster risk, while the relatively affordable housing could be a hidden gem for others aiming to establish a homestead.

AI-generated analysis based on county data (climate, hazards, density, housing, economy). For general orientation only.

Key Facts

Ranked #2,481 nationally
Out of 3,109 CONUS counties for composite prepper suitability.
#93 of 102 in IL
Ranked #93 of 102 counties statewide for prepper suitability.
Dominant hazard: strong wind
FEMA ranks strong wind risk at 99/100 here — the leading natural threat.
Urban: 159/sqmi
Densely populated at 159 people per square mile.
Climate profile
Classified as humid with a 56.3°F annual mean and 48.3" of annual precipitation. USDA hardiness zone 8a.
Housing & taxes
Median home value $139,500.

Score Breakdown

Violence
14
percentile (lower = safer)
Disasters
86
percentile (lower = safer)
Density
79
percentile (lower = emptier)
Overall FEMA Risk
85.8
NRI composite (0-100)

Natural Hazard Profile (FEMA NRI)

Cold Wave 87
Drought 54
Earthquake 96
Hail 78
Hurricane 45
Heat Wave 91
Riverine Flood 70
Ice Storm 82
Landslide 79
Lightning 68
Strong Wind 99
Tornado 80
Wildfire 14
Winter Weather 90

Monthly Climate (1991–2020 normals)

Average temperature
JFMAMJ JASOND
Monthly precipitation (inches)
JFMAMJ JASOND
Summer high
87.9°F
Winter low
24.7°F
Heating degree days
4,477
Cooling degree days
1,356

Housing & Economy

Median home value
$139,500
Median HH income
$60,325
Price to income
2.3×
Property tax rate
1.68%
~$2,337/yr median

Community Profile

Median age
41.2
Homeownership
71%
Poverty rate
13.2%
Unemployment
4.4%

Connectivity

Broadband households
54.2%
No internet access
13.1%

Explore Williamson County Further

Similar Counties

Data sources. Prepper scores are national percentile ranks of firearm fatalities (County Health Rankings 2024 / CDC WONDER), FEMA National Risk Index 2023 composite disaster score, and population density (ACS 2022 + TIGER 2022 land area). Climate from NOAA nClimDiv 1991–2020 normals. Hardiness zone is estimated from climate data and may differ from the official USDA PHZM. Demographics and housing from Census ACS 5-year 2022. All scores are for comparison purposes only and do not constitute advice about where to live.