Hunt & Live

LaSalle County, IL

108,078 residents · 1,135 sq mi · 95.2/sq mi · 32% rural

Climate
50.3°F
37.1" rain/yr
Water
humid
Aridity index 1.59
Hardiness
Zone 7b
Winter low ~5.3°F

About LaSalle County

LaSalle County is a county located within the Fox Valley and Illinois River Valley regions of the U.S. state of Illinois. As of the 2020 Census, it had a population of 109,658. Its county seat and largest city is Ottawa. LaSalle County is part of the Ottawa, IL Micropolitan Statistical Area of Northern Illinois.

46
Prepper Suitability
worsebetter
National rank: #1787 of 3,109
Locator map
Location within the continental US

Prepper Assessment

Living in LaSalle County offers a mix of rural charm and access to the amenities of nearby urban areas. The terrain is mostly flat, with a humid climate characterized by an annual mean temperature of 50.3°F and 37.1 inches of rainfall per year. The growing season benefits from USDA zone 7b, allowing for a variety of crops, though the winter lows can be challenging for year-round growing. Water availability is generally good, with a humid aridity index of 1.59 supporting agricultural activities.

However, there are notable risks to consider. The area ranks high for disaster risk, with cold waves (96) and riverine floods (88) being significant hazards. Tornadoes (84) and strong winds (86) also pose threats, particularly in the spring months. While the population density is moderate at 95.2 people per square mile, the violence percentile is low at 6, indicating a relatively safe environment. Cost of living is reasonable, with a median home price of $147,400, but property taxes are on the higher side at 2.21%.

This county may suit individuals looking for a balance of rural living with nearby urban conveniences. Those with experience in farming or gardening may thrive, especially given the favorable growing conditions. However, individuals unprepared for severe weather or those seeking complete isolation might find the area less appealing. The potential for flooding and cold waves could be dealbreakers for some homesteaders, while the access to broadband and community resources may be a hidden gem for others.

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

Key Facts

Ranked #1,815 nationally
Out of 3,109 CONUS counties for composite prepper suitability.
#77 of 102 in IL
Ranked #77 of 102 counties statewide for prepper suitability.
Dominant hazard: cold wave
FEMA ranks cold wave risk at 96/100 here — the leading natural threat.
Rural-suburban mix
95.2 people per square mile.
Climate profile
Classified as humid with a 50.3°F annual mean and 37.1" of annual precipitation. USDA hardiness zone 7b.
Housing & taxes
Median home value $147,400.

Score Breakdown

Violence
6
percentile (lower = safer)
Disasters
86
percentile (lower = safer)
Density
70
percentile (lower = emptier)
Overall FEMA Risk
86.1
NRI composite (0-100)

Natural Hazard Profile (FEMA NRI)

Cold Wave 97
Drought 88
Earthquake 82
Hail 62
Hurricane 30
Heat Wave 70
Riverine Flood 88
Ice Storm 62
Landslide 69
Lightning 71
Strong Wind 86
Tornado 84
Wildfire 21
Winter Weather 70

Monthly Climate (1991–2020 normals)

Average temperature
JFMAMJ JASOND
Monthly precipitation (inches)
JFMAMJ JASOND
Summer high
84.4°F
Winter low
15.3°F
Heating degree days
6,200
Cooling degree days
880

Housing & Economy

Median home value
$147,400
Median HH income
$67,942
Price to income
2.2×
Property tax rate
2.21%
~$3,260/yr median

Community Profile

Median age
41.9
Homeownership
73.4%
Poverty rate
13.7%
Unemployment
5.4%

Connectivity

Broadband households
65.1%
No internet access
11.7%

Explore LaSalle County Further

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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.