Old Monroe, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Old Monroe, Missouri had a total population of 236, the 696th largest city in Missouri, with a median household income of $61,250, which is 13% lower than the state average. The poverty rate is 5.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 8.7% of adults have a bachelor's degree, well below the national average of 35.7%.
Old Monroe Quick Facts
How Old Monroe 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 | 183 | 236 | +29.0% |
| Median household income | $61,458 | $61,250 | -0.3% |
| Median home value | $154,200 | $155,900 | +1.1% |
How Old Monroe 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: 40 | National average: 61
Education
Educational Attainment (Adults 25+)
Old Monroe Rankings in Missouri
Explore Missouri Rankings
Other Cities in Lincoln County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Troy | 13,947 | $79,012 | 13.6% | $226,500 |
| Moscow Mills | 3,823 | $73,468 | 10.2% | $196,400 |
| Elsberry | 1,870 | $49,760 | 24.8% | $139,000 |
| Winfield | 1,745 | $75,766 | 17.9% | $208,100 |
| Hawk Point | 736 | $51,667 | 33.8% | $145,500 |
| Silex | 355 | $56,667 | 27.0% | $112,500 |
| Chain of Rocks | 255 | $150,547 | 3.1% | $342,000 |
| Fountain N' Lakes | 162 | $2,499 | 72.8% | $83,300 |
| Foley | 140 | $66,250 | 33.6% | $68,300 |
| Whiteside | 108 | $104,375 | 4.6% | $96,700 |
Cities Similar to Old Monroe
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Anniston | 241 | N/A | N/A | 2.4% | 17.0% |
| Aurora Springs | 230 | N/A | $146,400 | 26.8% | 40.0% |
| High Hill | 238 | $63,750 | $123,800 | 11.9% | 22.3% |
| Cairo | 245 | $63,438 | $134,400 | 23.6% | 14.7% |
| Rocheport | 231 | $57,083 | $223,300 | 41.0% | 10.0% |
A note before these figures: with a population of 236, Old Monroe'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
Old Monroe is a small community located in Missouri, within Lincoln County. The total population is 236. It ranks as the 696th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Old Monroe is 32.0 years. This is 18% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Old Monroe is $61,250. This is 13% lower than the state median of $70,702. It is also 24% lower than the national median of $80,734. The poverty rate stands at 5.6%. This is 56% lower than the state poverty rate of 12.6%. The unemployment rate is 3.4%. This is 16% lower than the state rate of 4.0%. The median home value is $155,900. Housing costs are 32% lower than the state median of $230,300. With a home-value-to-income ratio of just 2.5x, Old Monroe is one of the most affordable housing markets in the area. 81.6% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 68.1%.
Race & Ethnicity
Old Monroe has a predominantly White (non-Hispanic) population, comprising 97.0% of all residents. Hispanic or Latino residents account for 1.7%. The Hispanic or Latino population (1.7%) is well below the state average of 5.2%.
Education
8.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 73% lower than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.3%.
Data Sources & Methodology
All demographic data for Old Monroe, Missouri 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 Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. 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 Old Monroe, Missouri?
Old Monroe, Missouri has a population of 236 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Old Monroe, MO?
The median household income in Old Monroe is $61,250, which is 24% lower than the national median of $80,734.
What is the poverty rate in Old Monroe, MO?
The poverty rate in Old Monroe is 5.6%. This means approximately 13 residents live below the federal poverty line.
What is the racial makeup of Old Monroe, Missouri?
Old Monroe's population is 97.0% White, 0.0% Black, 1.7% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Old Monroe, MO?
The median home value in Old Monroe is $155,900. The home-value-to-income ratio is 2.5x.
How educated is Old Monroe, Missouri?
8.7% of adults (25+) in Old Monroe hold a bachelor's degree or higher, and 3.3% hold a graduate or professional degree.