Mount Vernon, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Mount Vernon, Iowa had a total population of 4,513, the 95th largest city in Iowa, with a median household income of $112,656, which is 50% higher than the state average. The poverty rate is 8.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 50% above the state average — one of the wealthiest communities in Iowa.
- 45.1% of adults hold a bachelor's degree or higher — top 10% in Iowa.
- Housing is very affordable with a home-value-to-income ratio of just 2.2x.
Mount Vernon Quick Facts
How Mount Vernon 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 | 4,551 | 4,513 | -0.8% |
| Median household income | $106,356 | $112,656 | +5.9% |
| Median home value | $256,900 | $245,200 | -4.6% |
How Mount Vernon 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+)
Mount Vernon Rankings in Iowa
Explore Iowa Rankings
Other Cities in Linn County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Cedar Rapids | 137,264 | $70,424 | 10.8% | $187,100 |
| Marion | 41,896 | $86,743 | 8.2% | $241,700 |
| Hiawatha | 7,206 | $66,270 | 13.7% | $216,900 |
| Robins | 3,332 | $122,262 | 8.9% | $413,400 |
| Fairfax | 2,900 | $114,375 | 6.2% | $274,500 |
| Center Point | 2,562 | $95,192 | 5.1% | $212,400 |
| Ely | 2,186 | $105,882 | 2.4% | $311,900 |
| Lisbon | 1,714 | $93,906 | 4.4% | $219,700 |
| Palo | 1,438 | $106,375 | 5.5% | $282,400 |
| Central City | 1,356 | $85,400 | 3.9% | $179,700 |
Cities Similar to Mount Vernon
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Huxley | 4,544 | $112,094 | $297,100 | 54.4% | 4.5% |
| Carlisle | 4,255 | $109,191 | $234,300 | 28.6% | 3.1% |
| Le Claire | 4,735 | $104,844 | $318,700 | 44.1% | 6.8% |
| Dyersville | 4,423 | $83,559 | $234,100 | 29.1% | 4.9% |
| Sergeant Bluff | 5,171 | $123,481 | $298,500 | 36.7% | 9.5% |
Population Overview
Mount Vernon is a small community located in Iowa, within Linn County. The total population is 4,513. It ranks as the 95th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Mount Vernon is 25.3 years. This is 34% lower than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Mount Vernon is $112,656. This is 50% higher than the state median of $75,059. It is also 40% higher than the national median of $80,734. The poverty rate stands at 8.2%. This is 26% lower than the state poverty rate of 11.1%. The unemployment rate is 4.2%. This is 18% higher than the state rate of 3.6%. The median home value is $245,200. Housing costs are 18% higher than the state median of $208,000. With a home-value-to-income ratio of just 2.2x, Mount Vernon is one of the most affordable housing markets in the area. 86.3% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 71.7%.
Race & Ethnicity
Mount Vernon has a predominantly White (non-Hispanic) population, comprising 89.3% of all residents. Hispanic or Latino residents account for 4.2%.
Education
45.1% of residents aged 25 and older hold a bachelor's degree or higher. This places Mount Vernon in the top 10% of all cities in the state for educational attainment. This is 44% higher 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 90.4%. Notably, 18.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Mount Vernon, 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 Mount Vernon, Iowa?
Mount Vernon, Iowa has a population of 4,513 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mount Vernon, IA?
The median household income in Mount Vernon is $112,656, which is 40% higher than the national median of $80,734.
What is the poverty rate in Mount Vernon, IA?
The poverty rate in Mount Vernon is 8.2%. This means approximately 286 residents live below the federal poverty line.
What is the racial makeup of Mount Vernon, Iowa?
Mount Vernon's population is 89.3% White, 2.6% Black, 4.2% Hispanic/Latino, and 1.5% Asian.
What is the median home value in Mount Vernon, IA?
The median home value in Mount Vernon is $245,200. The home-value-to-income ratio is 2.2x.
How educated is Mount Vernon, Iowa?
45.1% of adults (25+) in Mount Vernon hold a bachelor's degree or higher, and 18.6% hold a graduate or professional degree.