Hunt & Live

St. Charles County, MO

413,803 residents · 561 sq mi · 738.3/sq mi · 6% rural

Climate
55.6°F
42.3" rain/yr
Water
humid
Aridity index 1.58
Hardiness
Zone 8a
Winter low ~12°F

About St. Charles County

St. Charles County is located in the central eastern part of the U.S. state of Missouri. As of the 2020 census, the population was 405,262, making it Missouri's third-most populous county. Its county seat is St. Charles. The county was organized October 1, 1812, and named for Saint Charles Borromeo, an Italian cardinal.

36
Prepper Suitability
worsebetter
National rank: #2435 of 3,109
Locator map
Location within the continental US

Prepper Assessment

This area features a mix of suburban and rural landscapes, with a population density of 738.3 people per square mile. The climate is classified as humid, with an annual mean temperature of 55.6°F and 42.3 inches of rainfall per year, making for a growing season suitable for a variety of crops. However, the high density and suburban development may limit opportunities for extensive self-sufficient living compared to more rural locations.

The county faces significant natural hazards, with FEMA rankings indicating high risks for strong winds (98), hail (98), and tornadoes (96). While the violence percentile is relatively low at 18, the overall disaster percentile is high at 93, suggesting a greater likelihood of experiencing severe weather events. Additionally, the median home price of $278,300 may be a barrier for those seeking affordable land for homesteading.

This location may suit individuals or families who prefer a suburban environment while still having access to rural amenities and some degree of self-sufficiency. However, those looking for a remote homesteading lifestyle or minimal population density may find the area unsuitable. The high risks of severe weather could also be a dealbreaker for some, while the broadband availability may be a hidden gem for those needing reliable internet access.

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

Key Facts

Ranked #2,612 nationally
Out of 3,109 CONUS counties for composite prepper suitability.
#95 of 115 in MO
Ranked #95 of 115 counties statewide for prepper suitability.
Dominant hazard: strong wind
FEMA ranks strong wind risk at 98/100 here — the leading natural threat.
Urban: 738/sqmi
Densely populated at 738 people per square mile.
Climate profile
Classified as humid with a 55.6°F annual mean and 42.3" of annual precipitation. USDA hardiness zone 8a.
Housing & taxes
Median home value $278,300.

Score Breakdown

Violence
6
percentile (lower = safer)
Disasters
93
percentile (lower = safer)
Density
94
percentile (lower = emptier)
Overall FEMA Risk
92.6
NRI composite (0-100)

Natural Hazard Profile (FEMA NRI)

Cold Wave 93
Drought 32
Earthquake 95
Hail 98
Hurricane 23
Heat Wave 96
Riverine Flood 94
Ice Storm 72
Landslide 93
Lightning 90
Strong Wind 98
Tornado 96
Wildfire 59
Winter Weather 89

Monthly Climate (1991–2020 normals)

Average temperature
JFMAMJ JASOND
Monthly precipitation (inches)
JFMAMJ JASOND
Summer high
88.3°F
Winter low
22°F
Heating degree days
4,756
Cooling degree days
1,375

Housing & Economy

Median home value
$278,300
Median HH income
$99,596
Price to income
2.8×
Property tax rate
1.15%
~$3,196/yr median

Community Profile

Median age
39.4
Homeownership
80.7%
Poverty rate
4.5%
Unemployment
3.1%

Connectivity

Broadband households
83.9%
No internet access
4.8%

Explore St. Charles 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.