St. Charles city, Iowa Demographics & Population 2026
As of 2026, St. Charles city, Iowa has a total population of 891, the 319th largest city in Iowa, with a median household income of $81,944, which is 12% higher than the state average. The poverty rate is 6.3%.
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.4x.
St. Charles city Quick Facts
How St. Charles city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 30 | National average: 60
Education
Educational Attainment (Adults 25+)
St. Charles city Rankings in Iowa
Explore Iowa Rankings
Cities Similar to St. Charles city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hills city | 892 | $81,875 | $217,800 | 24.2% | 8.9% |
| West Bend city | 889 | $84,286 | $147,800 | 24.6% | 5.3% |
| Merrill city | 885 | $79,250 | $157,200 | 11.8% | 4.5% |
| Princeton city | 875 | $80,714 | $257,000 | 20.3% | 5.9% |
| Arnolds Park city | 911 | $84,659 | $407,600 | 39.8% | 5.9% |
Population Overview
St. Charles city is a small community located in Iowa. The total population is 891. It ranks as the 319th most populous out of 1,018 cities and towns in Iowa.
Age Demographics
The median age in St. Charles city is 33.0 years. This is 15% lower than the state median of 38.6 years.
Economy, Income & Housing
The median household income in St. Charles city is $81,944. This is 12% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 4% higher. The poverty rate stands at 6.3%. This is 43% lower than the state poverty rate of 11.0%. The unemployment rate is 4.9%. This is 34% higher than the state rate of 3.6%. The median home value is $197,100. Housing costs are about average than the state median of $195,900. With a home-value-to-income ratio of just 2.4x, St. Charles city is one of the most affordable housing markets in the area. 74.7% of occupied housing units are owner-occupied. This homeownership rate is 4% higher than the state average of 71.5%.
Race & Ethnicity
St. Charles city has a predominantly White (non-Hispanic) population, comprising 92.4% of all residents. Hispanic or Latino residents account for 4.9%.
Education
18.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% lower than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.6%.
Data Sources & Methodology
All demographic data for St. Charles city, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,018 Census-designated places in Iowa. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of St. Charles city, Iowa?
St. Charles city, Iowa has a population of 891 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Charles city, IA?
The median household income in St. Charles city is $81,944, which is 4% higher the national median of $78,538.
What is the poverty rate in St. Charles city, IA?
The poverty rate in St. Charles city is 6.3%. This means approximately 55 residents live below the federal poverty line.
What is the racial makeup of St. Charles city, Iowa?
St. Charles city's population is 92.4% White, 0.0% Black, 4.9% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Charles city, IA?
The median home value in St. Charles city is $197,100. The home-value-to-income ratio is 2.4x.
How educated is St. Charles city, Iowa?
18.8% of adults (25+) in St. Charles city hold a bachelor's degree or higher, and 3.0% hold a graduate or professional degree.