Millersburg, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Millersburg, Iowa had a total population of 129, the 807th largest city in Iowa, with a median household income of $79,688, which is 6% higher than the state average. The poverty rate is 7.0%.
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 1.3x.
Millersburg Quick Facts
How Millersburg 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 | 136 | 129 | -5.1% |
| Median household income | $75,357 | $79,688 | +5.7% |
| Median home value | $107,100 | $106,500 | -0.6% |
How Millersburg 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+)
Millersburg Rankings in Iowa
Explore Iowa Rankings
Other Cities in Iowa County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Williamsburg | 3,360 | $58,059 | 5.8% | $204,300 |
| Marengo | 2,725 | $57,941 | 13.2% | $123,200 |
| North English | 852 | $54,531 | 10.3% | $118,600 |
| Amana | 755 | $145,903 | 8.1% | $248,400 |
| Middle Amana | 683 | $100,296 | 7.3% | $267,000 |
| Parnell | 303 | $70,893 | 13.2% | $181,300 |
| Homestead | 252 | $74,886 | 0.0% | $179,900 |
| Ladora | 240 | $60,625 | 9.6% | $78,200 |
| Conroy | 199 | N/A | 4.0% | $213,000 |
| West Amana | 124 | $55,977 | 0.0% | $184,100 |
Cities Similar to Millersburg
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Little Sioux | 129 | N/A | $39,400 | 12.4% | 25.6% |
| Floris | 128 | N/A | $53,300 | 13.0% | 6.3% |
| Clare | 128 | $80,417 | $72,500 | 6.6% | 1.6% |
| Beaman | 125 | $80,000 | $96,700 | 9.2% | 0.8% |
| Andover | 124 | N/A | $118,800 | 11.7% | 35.5% |
A note before these figures: with a population of 129, Millersburg'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
Millersburg is a small community located in Iowa, within Iowa County. The total population is 129. It ranks as the 807th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Millersburg is 61.4 years. This is 59% higher than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Millersburg is $79,688. This is 6% higher than the state median of $75,059. It is also 1% lower than the national median of $80,734. The poverty rate stands at 7.0%. This is 37% lower than the state poverty rate of 11.1%. The survey records no unemployed residents in Millersburg, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $106,500. Housing costs are 49% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.3x, Millersburg is one of the most affordable housing markets in the area. 88.0% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 71.7%.
Race & Ethnicity
Millersburg has a predominantly White (non-Hispanic) population, comprising 89.1% of all residents. Hispanic or Latino residents account for 10.8%.
Education
32.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 4% 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 97.1%.
Data Sources & Methodology
All demographic data for Millersburg, 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 Millersburg, Iowa?
Millersburg, Iowa has a population of 129 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Millersburg, IA?
The median household income in Millersburg is $79,688, which is 1% lower than the national median of $80,734.
What is the poverty rate in Millersburg, IA?
The poverty rate in Millersburg is 7.0%. This means approximately 9 residents live below the federal poverty line.
What is the racial makeup of Millersburg, Iowa?
Millersburg's population is 89.1% White, 0.0% Black, 10.8% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Millersburg, IA?
The median home value in Millersburg is $106,500. The home-value-to-income ratio is 1.3x.
How educated is Millersburg, Iowa?
32.7% of adults (25+) in Millersburg hold a bachelor's degree or higher, and 5.8% hold a graduate or professional degree.