Millersburg, Illinois Demographics & Population 2026
During the 2020–2024 ACS period, Millersburg, Illinois had a total population of 33, the 1424th largest community in Illinois. The poverty rate is 45.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- More than 1 in 4 residents live below the poverty line (45.5%), well above the national average of 12.4%.
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.7%.
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 | 36 | 33 | -8.3% |
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: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Millersburg Rankings in Illinois
Explore Illinois Rankings
Other Cities in Mercer County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Aledo | 3,668 | $72,292 | 12.6% | $147,600 |
| Viola | 899 | $72,500 | 9.3% | $120,000 |
| Windsor | 704 | $59,333 | 13.7% | $109,800 |
| Sherrard | 691 | $98,750 | 9.3% | $150,200 |
| Matherville | 657 | $86,500 | 7.6% | $134,800 |
| New Boston | 648 | $60,662 | 16.4% | $95,400 |
| Keithsburg | 490 | $44,625 | 17.1% | $65,900 |
| Joy | 387 | $56,250 | 12.3% | $76,100 |
| Seaton | 228 | $60,625 | 9.2% | $109,200 |
| North Henderson | 191 | $74,231 | 0.0% | $66,700 |
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 |
|---|---|---|---|---|---|
| Marcelline | 33 | N/A | N/A | 0.0% | 0.0% |
| Barstow | 34 | $77,813 | $159,400 | 8.7% | 0.0% |
| Fowler | 32 | N/A | N/A | 0.0% | 0.0% |
| Macedonia | 31 | N/A | N/A | 7.7% | 32.3% |
| Deer Grove | 36 | $76,607 | $112,500 | 3.5% | 11.1% |
A note before these figures: with a population of 33, 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 Illinois, within Mercer County. The total population is 33. It ranks as the 1424th most populous out of 1,445 Census-designated places in Illinois.
Age Demographics
The median age in Millersburg is 62.6 years. This is 61% higher than the state median of 39.0 years. 18.2% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The poverty rate stands at 45.5%. This is 285% higher than the state poverty rate of 11.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The survey records no unemployed residents in Millersburg, which reflects the size of the sample rather than a labor market without joblessness. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 49% higher than the state average of 67.1%.
Race & Ethnicity
Every resident counted in Millersburg was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 78.8%.
Data Sources & Methodology
All demographic data for Millersburg, Illinois 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 Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. 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, Illinois?
Millersburg, Illinois has a population of 33 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Millersburg, IL?
The Census Bureau does not publish a reliable median household income estimate for Millersburg — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Millersburg, IL?
The poverty rate in Millersburg is 45.5%. This means approximately 15 residents live below the federal poverty line.
What is the racial makeup of Millersburg, Illinois?
Millersburg's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Millersburg, IL?
The Census Bureau does not publish a reliable median home value estimate for Millersburg — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Millersburg, Illinois?
0.0% of adults (25+) in Millersburg hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.