St. Charles County, MO — Market Snapshot
Real estate market data for St. Charles County, Missouri. Census demographics, rental trends, and economic indicators for investors and developers.
Population
409,830
ACS 2023Median Household Income
$106,283
ACS 2023Renter-Occupied
19%
ACS 2023Median Rent
$1,334/mo
ACS 2023Source: U.S. Census Bureau, American Community Survey 2023
Population & Income Profile
Age Distribution
Household Income Distribution
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Explore Dashboard →Source: U.S. Census Bureau, American Community Survey 2023
Housing Affordability
Affordability Label
Very Affordable (<3x)
ACS 2023Price-to-Income Ratio
5.0x
Redfin SFR ÷ FRED Per Capita IncomeAt 5.0x price-to-income, median home prices in St. Charles County are elevated relative to income.
Affordability label: U.S. Census Bureau ACS 2023. Price-to-income: Redfin median sale price (SFR, Dec 2025) ÷ FRED per capita personal income (Q4 2025).
Housing Market Overview
Source: U.S. Census Bureau, ACS 2023. Monthly Housing Cost: ACS B25105. Property Tax: ACS B25103.
Home Price Index
St. Charles County HPI
253.6
FRED Q4 2025Since 2020
+52.4% ↑
vs. 2020 baseline“St. Charles County home values have appreciated 52.4% since 2020, trailing the Missouri statewide average of 59.5%.”
Source: Federal Reserve Economic Data (FRED) — FHFA House Price Index. Updated Q4 2025.
Investment Analysis
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Market Tier
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Economic Indicators
▼ −29.6% since 2020
State Overview
Source: Federal Reserve Economic Data (FRED). Updated Q4 2025.
Nearby Markets
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