St. Joe, Indiana Demographics & Population 2026
During the 2020–2024 ACS period, St. Joe, Indiana had a total population of 411, the 551st largest town in Indiana, with a median household income of $55,000, which is 24% lower than the state average. The poverty rate is 12.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 5.1% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 1.6x.
- Unemployment rate of 10.4% is notably above the national average.
St. Joe Quick Facts
How St. Joe Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 420 | 411 | -2.1% |
| Median household income | $61,875 | $55,000 | -11.1% |
| Median home value | $85,400 | $87,100 | +2.0% |
How St. Joe Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
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: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Joe Rankings in Indiana
Explore Indiana Rankings
Other Cities in DeKalb County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Auburn | 13,565 | $68,750 | 9.8% | $190,800 |
| Garrett | 6,642 | $64,179 | 15.3% | $154,200 |
| Butler | 2,660 | $54,688 | 19.3% | $107,700 |
| Waterloo | 2,073 | $67,083 | 12.5% | $104,600 |
| Hamilton | 1,939 | $69,761 | 7.3% | $298,200 |
| Ashley | 1,230 | $49,091 | 11.1% | $132,100 |
| Altona | 415 | $64,237 | 2.6% | $114,600 |
| Corunna | 128 | $57,500 | 6.3% | $85,000 |
Cities Similar to St. Joe
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Kennard | 415 | $58,125 | $110,700 | 17.1% | 10.4% |
| Plainville | 412 | $51,094 | $100,000 | 12.1% | 16.0% |
| Glenwood | 429 | $55,000 | $88,400 | 5.6% | 10.7% |
| Larwill | 425 | $56,528 | $101,400 | 28.2% | 15.6% |
| Nyona Lake | 389 | N/A | N/A | 22.6% | 54.0% |
A note before these figures: with a population of 411, St. Joe's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
St. Joe is a small community located in Indiana, within DeKalb County. The total population is 411. It ranks as the 551st most populous out of 967 Census-designated places in Indiana.
Age Demographics
The median age in St. Joe is 33.6 years. This is 12% lower than the state median of 38.1 years. With 28.2% of the population under 18, St. Joe has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in St. Joe is $55,000. This is 24% lower than the state median of $71,957. It is also 32% lower than the national median of $80,734. The poverty rate stands at 12.7%. This is 3% higher than the state poverty rate of 12.3%. The unemployment rate is 10.4%. This is 142% higher than the state rate of 4.3%. The median home value is $87,100. Housing costs are 60% lower than the state median of $218,200. With a home-value-to-income ratio of just 1.6x, St. Joe is one of the most affordable housing markets in the area. 77.8% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 70.5%.
Race & Ethnicity
St. Joe has a predominantly White (non-Hispanic) population, comprising 94.9% of all residents. Hispanic or Latino residents account for 3.4%. The Hispanic or Latino population (3.4%) is well below the state average of 8.6%.
Education
5.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 83% lower than the state rate of 29.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 71.8%.
Data Sources & Methodology
All demographic data for St. Joe, Indiana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Indiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 967 Census-designated places in Indiana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of St. Joe, Indiana?
St. Joe, Indiana has a population of 411 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Joe, IN?
The median household income in St. Joe is $55,000, which is 32% lower than the national median of $80,734.
What is the poverty rate in St. Joe, IN?
The poverty rate in St. Joe is 12.7%. This means approximately 50 residents live below the federal poverty line.
What is the racial makeup of St. Joe, Indiana?
St. Joe's population is 94.9% White, 0.0% Black, 3.4% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Joe, IN?
The median home value in St. Joe is $87,100. The home-value-to-income ratio is 1.6x.
How educated is St. Joe, Indiana?
5.1% of adults (25+) in St. Joe hold a bachelor's degree or higher, and 0.4% hold a graduate or professional degree.