ZIP codes
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St. Charles, IA Demographics & ZIP Codes
St. Charles, Iowa demographics and median household income by ZIP code (in Madison County) — 1 ZIP codes — population 2,299 — median income $110,027 — avg. home value $297,200. Compare income, housing, and population across ZIP codes on US5.
Population
2,299
Median household income (avg.)
$110,027
146% of U.S. median
Average home value
$297,200
85% of U.S. median
Average rent
$675
58% of U.S. median
Median age (avg.)
46.1
St. Charles demographics
St. Charles, Iowa covers 1 ZIP code primarily in Madison County, with a combined ZIP-area population of about 2,299.
Across ZIP codes with age data, the average median age is about 46.1 years.
Median household income in St. Charles
The average median household income across ZIP codes in St. Charles, Iowa is about $110,027 — about 48% above the IA ZIP average ($74,194), and about 46% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $110,027 in 50240.
Housing in St. Charles
For housing in St. Charles, Iowa, the average median home value is about $297,200 and the average median rent is about $675.
The most populous ZIP in this set is 50240 (about 2,299 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in St. Charles
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 50240 | St. Charles | Madison County | IA | 2,299 | $110,027 | $297,200 |
Frequently asked questions
What are the demographics of St. Charles?
St. Charles, Iowa has a combined ZIP-area population of about 2,299 across 1 ZIP codes (primarily Madison County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in St. Charles?
The average median household income across ZIP codes in St. Charles, Iowa is about $110,027, about 48% above the state ZIP average ($74,194), and about 46% above the U.S. median ($75,149). Average median home value is about $297,200.
How many ZIP codes are in St. Charles?
St. Charles, Iowa includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for St. Charles?
This page lists ZIP codes in St. Charles, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.