Marion city, Iowa Demographics & Population 2026
As of 2026, Marion city, Iowa has a total population of 41,690, the 13th largest city in Iowa, with a median household income of $87,105, which is 19% higher than the state average. The poverty rate is 7.0%.
Key Takeaways
- 39.2% of adults hold a bachelor's degree or higher — top 10% in Iowa.
Marion city Quick Facts
How Marion city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
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: 30 | National average: 60
Education
Educational Attainment (Adults 25+)
Marion city Rankings in Iowa
Explore Iowa Rankings
Cities Similar to Marion city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Cedar Falls city | 40,662 | $74,165 | $252,500 | 49.2% | 15.6% |
| Bettendorf city | 39,297 | $102,917 | $295,600 | 51.3% | 6.3% |
| Urbandale city | 46,026 | $113,086 | $318,800 | 51.4% | 6.3% |
| Dubuque city | 59,271 | $64,985 | $193,100 | 33.6% | 12.2% |
| West Des Moines city | 69,893 | $84,925 | $286,300 | 54.6% | 7.3% |
Population Overview
Marion city is a mid-sized community located in Iowa. The total population is 41,690. It ranks as the 13th most populous out of 1,018 cities and towns in Iowa.
Age Demographics
The median age in Marion city is 40.4 years. This is 5% higher than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Marion city is $87,105. This is 19% higher than the state median of $73,147. Compared to the national median of $78,538, household income here is 11% higher. The poverty rate stands at 7.0%. This is 36% lower than the state poverty rate of 11.0%. The unemployment rate is 3.4%. This is 6% lower than the state rate of 3.6%. The median home value is $230,800. Housing costs are 18% higher than the state median of $195,900. With a home-value-to-income ratio of just 2.6x, Marion city is one of the most affordable housing markets in the area. 77.5% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 71.5%.
Race & Ethnicity
Marion city has a predominantly White (non-Hispanic) population, comprising 88.6% of all residents. Hispanic or Latino residents account for 3.2%. The Hispanic or Latino population (3.2%) is well below the state average of 7.0%.
Education
39.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Marion city in the top 10% of all cities in the state for educational attainment. This is 27% higher than the state rate of 30.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.1%.
Data Sources & Methodology
All demographic data for Marion city, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,018 Census-designated places in Iowa. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Marion city, Iowa?
Marion city, Iowa has a population of 41,690 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marion city, IA?
The median household income in Marion city is $87,105, which is 11% higher the national median of $78,538.
What is the poverty rate in Marion city, IA?
The poverty rate in Marion city is 7.0%. This means approximately 2,900 residents live below the federal poverty line.
What is the racial makeup of Marion city, Iowa?
Marion city's population is 88.6% White, 2.7% Black, 3.2% Hispanic/Latino, and 1.8% Asian.
What is the median home value in Marion city, IA?
The median home value in Marion city is $230,800. The home-value-to-income ratio is 2.6x.
How educated is Marion city, Iowa?
39.2% of adults (25+) in Marion city hold a bachelor's degree or higher, and 11.5% hold a graduate or professional degree.