St. Charles, IA
Population 891 · Iowa
About St. Charles, IA
St. Charles is a small community in Iowa with a population of 891 residents. The median household income is $81,944 per year, which is above the national average. The median age in St. Charles is 33 years.
Housing in St. Charles has a median home value of $197,100 and median monthly rent of $939. Of the 333 total housing units, the majority are owner-occupied, with 239 owner-occupied and 81 renter-occupied units.
The unemployment rate in St. Charles is 4.9% and the poverty rate is 6.3%. 18.8% of residents hold a bachelor's degree or higher. The average commute time is 36 minutes.
Cost of Living in St. Charles, IA
Compared to national averages, St. Charles has a median household income of $81,944 (9% above the national median of $75,149). Home values average $197,100, which is 20% below the national median. Monthly rent at $939 is 19% below the US average of $1,163. Within Iowa, St. Charles's income is 21% above the state average of $67,947, and home values are 49% above the state median of $132,237.
Why Live in St. Charles, IA?
St. Charles offers a strong local economy with a median household income of $81,944, well above the national average, and affordable housing with a median home value of $197,100, below the US average of $244,900, and rent that’s lower than the national average at $939/month. Additionally, the city features a low poverty rate of 6.3%, better than the national average.
St. Charles has a population of 891 with a median age of 33 years. Compare St. Charles with other cities to see how it stacks up, or explore all cities in Iowa.
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Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about St. Charles
What is the population of St. Charles, IA?
The population of St. Charles, IA is 891 according to the latest Census data.
What is the median household income in St. Charles?
The median household income in St. Charles, IA is $81,944 per year.
What is the median home value in St. Charles?
The median home value in St. Charles, IA is $197,100.
What is the average rent in St. Charles?
The median monthly rent in St. Charles, IA is $939.
What is the unemployment rate in St. Charles?
The unemployment rate in St. Charles, IA is 4.9%.