Sibley, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Sibley, Iowa had a total population of 2,803, the 129th largest city in Iowa, with a median household income of $55,070, which is 27% lower than the state average. The poverty rate is 23.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.2x.
Sibley Quick Facts
How Sibley 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 | 2,821 | 2,803 | -0.6% |
| Median household income | $54,767 | $55,070 | +0.6% |
| Median home value | $119,800 | $122,000 | +1.8% |
How Sibley 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+)
Sibley Rankings in Iowa
Explore Iowa Rankings
Other Cities in Osceola County
Cities Similar to Sibley
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Belmond | 2,694 | $56,528 | $129,100 | 29.9% | 19.8% |
| Marengo | 2,725 | $57,941 | $123,200 | 12.9% | 13.2% |
| Bloomfield | 2,742 | $60,769 | $132,000 | 23.8% | 6.9% |
| Onawa | 2,839 | $62,143 | $145,800 | 19.4% | 16.3% |
| Clarion | 2,770 | $64,625 | $116,200 | 26.5% | 10.5% |
Population Overview
Sibley is a small community located in Iowa, within Osceola County. The total population is 2,803. It ranks as the 129th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Sibley is 37.1 years. This is 4% lower than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Sibley is $55,070. This is 27% lower than the state median of $75,059. It is also 32% lower than the national median of $80,734. The poverty rate stands at 23.5%. This is 112% 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 6.7%. This is 86% higher than the state rate of 3.6%. The median home value is $122,000. Housing costs are 41% lower than the state median of $208,000. With a home-value-to-income ratio of just 2.2x, Sibley is one of the most affordable housing markets in the area. 72.8% of occupied housing units are owner-occupied. This homeownership rate is 1% higher than the state average of 71.7%.
Race & Ethnicity
The largest racial or ethnic group in Sibley is White (non-Hispanic), making up 78.6% of the population. Hispanic or Latino residents account for 16.8%. The Black or African American population (0.8%) is well below the state average of 3.8%. The Hispanic or Latino population is significantly higher than the state average (16.8% vs 7.3%). The Asian population (0.9%) is well below the state average of 2.5%.
Education
22.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 27% 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 90.0%.
Data Sources & Methodology
All demographic data for Sibley, 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 Sibley, Iowa?
Sibley, Iowa has a population of 2,803 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Sibley, IA?
The median household income in Sibley is $55,070, which is 32% lower than the national median of $80,734.
What is the poverty rate in Sibley, IA?
The poverty rate in Sibley is 23.5%. This means approximately 634 residents live below the federal poverty line.
What is the racial makeup of Sibley, Iowa?
Sibley's population is 78.6% White, 0.8% Black, 16.8% Hispanic/Latino, and 0.9% Asian.
What is the median home value in Sibley, IA?
The median home value in Sibley is $122,000. The home-value-to-income ratio is 2.2x.
How educated is Sibley, Iowa?
22.9% of adults (25+) in Sibley hold a bachelor's degree or higher, and 7.8% hold a graduate or professional degree.