St. Olaf, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, St. Olaf, Iowa had a total population of 76, the 895th largest city in Iowa, with a median household income of $98,125, which is 31% higher than the state average. The poverty rate is 8.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 31% above the state average — one of the wealthiest communities in Iowa.
- Housing is very affordable with a home-value-to-income ratio of just 0.9x.
St. Olaf Quick Facts
How St. Olaf 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 | 75 | 76 | +1.3% |
| Median household income | $88,750 | $98,125 | +10.6% |
| Median home value | $76,700 | $84,000 | +9.5% |
How St. Olaf 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: 31 | National average: 61
Education
Educational Attainment (Adults 25+)
St. Olaf Rankings in Iowa
Explore Iowa Rankings
Other Cities in Clayton County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Postville | 2,979 | $49,485 | 23.7% | $104,700 |
| Guttenberg | 1,782 | $57,599 | 24.7% | $193,900 |
| Monona | 1,531 | $74,286 | 7.3% | $140,800 |
| Elkader | 1,293 | $62,857 | 9.6% | $143,200 |
| Strawberry Point | 1,267 | $57,778 | 11.3% | $114,700 |
| Garnavillo | 816 | $75,357 | 12.3% | $123,100 |
| McGregor | 719 | $57,361 | 12.4% | $161,100 |
| Marquette | 443 | $42,292 | 22.6% | $164,400 |
| Farmersburg | 375 | $51,667 | 12.8% | $78,000 |
| Luana | 317 | $76,750 | 8.2% | $152,700 |
Cities Similar to St. Olaf
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Trenton | 75 | N/A | N/A | 0.0% | 0.0% |
| Leando | 74 | N/A | N/A | N/A | 13.5% |
| Knierim | 76 | $89,000 | $112,500 | 54.4% | 6.6% |
| Ackworth | 75 | $111,094 | $237,500 | 17.0% | 28.0% |
| Oyens | 81 | $100,625 | $155,000 | 20.0% | 0.0% |
A note before these figures: with a population of 76, St. Olaf'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. Olaf is a small community located in Iowa, within Clayton County. The total population is 76. It ranks as the 895th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in St. Olaf is 51.5 years. This is 33% higher than the state median of 38.6 years. Only 9.2% of residents are under 18, indicating fewer families with children.
Economy, Income & Housing
The median household income in St. Olaf is $98,125. This is 31% higher than the state median of $75,059. It is also 22% higher than the national median of $80,734. The poverty rate stands at 8.1%. This is 27% lower than the state poverty rate of 11.1%. The unemployment rate is 5.7%. This is 58% higher than the state rate of 3.6%. The median home value is $84,000. Housing costs are 60% lower than the state median of $208,000. With a home-value-to-income ratio of just 0.9x, St. Olaf is one of the most affordable housing markets in the area. 76.9% of occupied housing units are owner-occupied. This homeownership rate is 7% higher than the state average of 71.7%.
Race & Ethnicity
Every resident counted in St. Olaf was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
12.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 60% lower than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.4%.
Data Sources & Methodology
All demographic data for St. Olaf, Iowa 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 Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,017 Census-designated places in Iowa. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
Free data download: Get all Iowa city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of St. Olaf, Iowa?
St. Olaf, Iowa has a population of 76 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Olaf, IA?
The median household income in St. Olaf is $98,125, which is 22% higher than the national median of $80,734.
What is the poverty rate in St. Olaf, IA?
The poverty rate in St. Olaf is 8.1%. This means approximately 6 residents live below the federal poverty line.
What is the racial makeup of St. Olaf, Iowa?
St. Olaf'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. Olaf, IA?
The median home value in St. Olaf is $84,000. The home-value-to-income ratio is 0.9x.
How educated is St. Olaf, Iowa?
12.5% of adults (25+) in St. Olaf hold a bachelor's degree or higher, and 7.8% hold a graduate or professional degree.