St. Joseph CDP, Iowa Demographics & Population 2026
As of 2026, St. Joseph CDP, Iowa has a total population of 78, the 892nd largest city in Iowa, with a median household income of $45,347, which is 38% lower than the state average. The poverty rate is 21.8%.
Key Takeaways
- Household income is 38% below the state average, indicating significant economic challenges.
- 68.1% of adults hold a bachelor's degree or higher — top 10% in Iowa.
- Near full employment with an unemployment rate of just 0.0%.
St. Joseph CDP Quick Facts
How St. Joseph CDP 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. Joseph CDP Rankings in Iowa
Explore Iowa Rankings
Cities Similar to St. Joseph CDP
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Arispe city | 79 | $46,250 | $73,300 | 26.4% | 6.3% |
| Chatsworth city | 80 | $45,556 | N/A | 4.2% | 15.0% |
| Sharpsburg city | 79 | $46,964 | $96,700 | 2.8% | 3.8% |
| Zwingle city | 81 | N/A | $126,800 | 2.3% | 42.0% |
| Olds city | 75 | $48,500 | $137,500 | 9.1% | 6.7% |
Population Overview
St. Joseph CDP is a small community located in Iowa. The total population is 78. It ranks as the 892nd most populous out of 1,018 cities and towns in Iowa.
Age Demographics
The median age in St. Joseph CDP is 73.4 years. This is 90% higher than the state median of 38.6 years. Only 11.5% of residents are under 18, indicating fewer families with children. 25.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in St. Joseph CDP is $45,347. This is 38% lower than the state median of $73,147. Compared to the national median of $78,538, household income here is 42% lower. The poverty rate stands at 21.8%. This is 98% higher than the state poverty rate of 11.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 0.0%. This is 100% lower than the state rate of 3.6%. 72.1% of occupied housing units are owner-occupied.
Race & Ethnicity
St. Joseph CDP has a predominantly White (non-Hispanic) population, comprising 100.0% of all residents.
Education
68.1% of residents aged 25 and older hold a bachelor's degree or higher. This places St. Joseph CDP in the top 10% of all cities in the state for educational attainment. This is 121% higher 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 100.0%. Notably, 26.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for St. Joseph CDP, 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. Joseph CDP, Iowa?
St. Joseph CDP, Iowa has a population of 78 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Joseph CDP, IA?
The median household income in St. Joseph CDP is $45,347, which is 42% lower the national median of $78,538.
What is the poverty rate in St. Joseph CDP, IA?
The poverty rate in St. Joseph CDP is 21.8%. This means approximately 17 residents live below the federal poverty line.
What is the racial makeup of St. Joseph CDP, Iowa?
St. Joseph CDP's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Joseph CDP, IA?
The median home value in St. Joseph CDP is N/A.
How educated is St. Joseph CDP, Iowa?
68.1% of adults (25+) in St. Joseph CDP hold a bachelor's degree or higher, and 26.1% hold a graduate or professional degree.