Osterdock, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Osterdock, Iowa had a total population of 136, the 796th largest city in Iowa, with a median household income of $51,467, which is 31% lower than the state average. The poverty rate is 43.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 31% below the state average, indicating significant economic challenges.
- More than 1 in 4 residents live below the poverty line (43.4%), well above the national average of 12.4%.
- Only 1.9% 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 1.7x.
- Unemployment rate of 46.2% is notably above the national average.
Osterdock Quick Facts
How Osterdock 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 | 144 | 136 | -5.6% |
| Median household income | $49,185 | $51,467 | +4.6% |
How Osterdock 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+)
Osterdock 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 Osterdock
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| North Buena Vista | 139 | $51,719 | $109,400 | 10.6% | 9.3% |
| Meriden | 138 | $55,333 | $74,000 | 16.7% | 4.3% |
| Little Sioux | 129 | N/A | $39,400 | 12.4% | 25.6% |
| Floris | 128 | N/A | $53,300 | 13.0% | 6.3% |
| Soldier | 133 | $56,250 | $78,300 | 12.5% | 15.8% |
A note before these figures: with a population of 136, Osterdock'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
Osterdock is a small community located in Iowa, within Clayton County. The total population is 136. It ranks as the 796th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Osterdock is 48.0 years. This is 24% higher than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Osterdock is $51,467. This is 31% lower than the state median of $75,059. It is also 36% lower than the national median of $80,734. The poverty rate stands at 43.4%. This is 292% higher than the state poverty rate of 11.1%. 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 46.2%. This is 1189% higher than the state rate of 3.6%. The median home value is $87,000. Housing costs are 58% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.7x, Osterdock is one of the most affordable housing markets in the area. 84.4% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 71.7%.
Race & Ethnicity
Every resident counted in Osterdock 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
1.9% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 94% 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 92.3%.
Data Sources & Methodology
All demographic data for Osterdock, 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.
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Frequently Asked Questions
What is the population of Osterdock, Iowa?
Osterdock, Iowa has a population of 136 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Osterdock, IA?
The median household income in Osterdock is $51,467, which is 36% lower than the national median of $80,734.
What is the poverty rate in Osterdock, IA?
The poverty rate in Osterdock is 43.4%. This means approximately 59 residents live below the federal poverty line.
What is the racial makeup of Osterdock, Iowa?
Osterdock's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Osterdock, IA?
The median home value in Osterdock is $87,000. The home-value-to-income ratio is 1.7x.
How educated is Osterdock, Iowa?
1.9% of adults (25+) in Osterdock hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.