Seymour, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Seymour, Iowa had a total population of 594, the 427th largest city in Iowa, with a median household income of $46,071, which is 39% lower than the state average. The poverty rate is 13.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 39% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 1.9x.
Seymour Quick Facts
How Seymour 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 | 558 | 594 | +6.5% |
| Median household income | $45,000 | $46,071 | +2.4% |
| Median home value | $78,600 | $86,800 | +10.4% |
How Seymour 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+)
Seymour Rankings in Iowa
Explore Iowa Rankings
Other Cities in Wayne County
Cities Similar to Seymour
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Swea City | 591 | $47,656 | $56,400 | 15.2% | 27.0% |
| Russell | 613 | $44,821 | $61,500 | 6.7% | 24.6% |
| What Cheer | 580 | $48,182 | $49,200 | 14.5% | 21.2% |
| Brighton | 588 | $50,481 | $92,900 | 8.1% | 29.7% |
| Emerson | 570 | $49,063 | $119,500 | 9.9% | 15.1% |
A note before these figures: with a population of 594, Seymour'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
Seymour is a small community located in Iowa, within Wayne County. The total population is 594. It ranks as the 427th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Seymour is 44.5 years. This is 15% higher than the state median of 38.6 years. 10.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Seymour is $46,071. This is 39% lower than the state median of $75,059. It is also 43% lower than the national median of $80,734. The poverty rate stands at 13.5%. This is 22% higher than the state poverty rate of 11.1%. The unemployment rate is 2.9%. This is 18% lower than the state rate of 3.6%. The median home value is $86,800. Housing costs are 58% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.9x, Seymour is one of the most affordable housing markets in the area. 75.0% of occupied housing units are owner-occupied. This homeownership rate is 5% higher than the state average of 71.7%.
Race & Ethnicity
Seymour has a predominantly White (non-Hispanic) population, comprising 89.1% of all residents.
Education
14.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% 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 87.3%.
Data Sources & Methodology
All demographic data for Seymour, 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 Seymour, Iowa?
Seymour, Iowa has a population of 594 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Seymour, IA?
The median household income in Seymour is $46,071, which is 43% lower than the national median of $80,734.
What is the poverty rate in Seymour, IA?
The poverty rate in Seymour is 13.5%. This means approximately 80 residents live below the federal poverty line.
What is the racial makeup of Seymour, Iowa?
Seymour's population is 89.1% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Seymour, IA?
The median home value in Seymour is $86,800. The home-value-to-income ratio is 1.9x.
How educated is Seymour, Iowa?
14.8% of adults (25+) in Seymour hold a bachelor's degree or higher, and 2.9% hold a graduate or professional degree.