Marquette, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Marquette, Iowa had a total population of 443, the 499th largest city in Iowa, with a median household income of $42,292, which is 44% lower than the state average. The poverty rate is 22.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 44% below the state average, indicating significant economic challenges.
Marquette Quick Facts
How Marquette 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 | 432 | 443 | +2.5% |
| Median household income | $38,125 | $42,292 | +10.9% |
| Median home value | $137,000 | $164,400 | +20.0% |
How Marquette 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+)
Marquette 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 |
| Farmersburg | 375 | $51,667 | 12.8% | $78,000 |
| Luana | 317 | $76,750 | 8.2% | $152,700 |
| Volga | 216 | $54,063 | 6.9% | $80,700 |
Cities Similar to Marquette
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Bussey | 414 | $43,125 | $79,000 | 14.5% | 15.0% |
| Arlington | 427 | $38,958 | $112,000 | 12.2% | 15.0% |
| Dow City | 454 | $48,421 | $126,900 | 4.7% | 21.4% |
| Earling | 478 | $43,750 | $125,000 | 26.9% | 9.3% |
| Oxford Junction | 461 | $37,969 | $72,500 | 5.1% | 15.0% |
A note before these figures: with a population of 443, Marquette'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
Marquette is a small community located in Iowa, within Clayton County. The total population is 443. It ranks as the 499th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Marquette is 41.4 years. This is 7% higher than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Marquette is $42,292. This is 44% lower than the state median of $75,059. It is also 48% lower than the national median of $80,734. The poverty rate stands at 22.6%. This is 104% 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 3.6%. The median home value is $164,400. Housing costs are 21% lower than the state median of $208,000. The home-value-to-income ratio is 3.9x. 61.7% of occupied housing units are owner-occupied. This homeownership rate is 14% lower than the state average of 71.7%.
Race & Ethnicity
Marquette has a predominantly White (non-Hispanic) population, comprising 94.6% of all residents. Hispanic or Latino residents account for 2.0%. The Black or African American population (0.4%) is well below the state average of 3.8%. The Hispanic or Latino population (2.0%) is well below the state average of 7.3%. The Asian population (0.4%) is well below the state average of 2.5%.
Education
13.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 59% 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 93.2%.
Data Sources & Methodology
All demographic data for Marquette, 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 Marquette, Iowa?
Marquette, Iowa has a population of 443 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marquette, IA?
The median household income in Marquette is $42,292, which is 48% lower than the national median of $80,734.
What is the poverty rate in Marquette, IA?
The poverty rate in Marquette is 22.6%. This means approximately 100 residents live below the federal poverty line.
What is the racial makeup of Marquette, Iowa?
Marquette's population is 94.6% White, 0.4% Black, 2.0% Hispanic/Latino, and 0.4% Asian.
What is the median home value in Marquette, IA?
The median home value in Marquette is $164,400. The home-value-to-income ratio is 3.9x.
How educated is Marquette, Iowa?
13.0% of adults (25+) in Marquette hold a bachelor's degree or higher, and 1.6% hold a graduate or professional degree.