Mercer, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Mercer, Missouri had a total population of 325, the 620th largest town in Missouri, with a median household income of $39,028, which is 45% lower than the state average. The poverty rate is 6.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 45% below the state average, indicating significant economic challenges.
- Housing is very affordable with a home-value-to-income ratio of just 1.6x.
- Near full employment with an unemployment rate of just 1.9%.
Mercer Quick Facts
How Mercer 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 | 359 | 325 | -9.5% |
| Median household income | $39,583 | $39,028 | -1.4% |
| Median home value | $58,100 | $63,800 | +9.8% |
How Mercer 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+)
Mercer Rankings in Missouri
Explore Missouri Rankings
Other Cities in Mercer County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Princeton | 1,352 | $58,558 | 18.0% | $78,000 |
| Ravanna | 68 | $21,563 | 0.0% | N/A |
| South Lineville | 16 | $66,042 | 31.3% | N/A |
Cities Similar to Mercer
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Purcell | 324 | N/A | $87,700 | 13.7% | 31.5% |
| Gilliam | 324 | $39,728 | $85,800 | 10.5% | 39.8% |
| Mineral Point | 324 | $41,394 | $47,500 | 3.3% | 21.4% |
| Preston | 331 | $40,417 | $179,900 | 3.7% | 30.8% |
| Kinloch | 322 | $44,688 | $84,800 | 28.8% | 33.9% |
A note before these figures: with a population of 325, Mercer'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
Mercer is a small community located in Missouri, within Mercer County. The total population is 325. It ranks as the 620th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Mercer is 54.7 years. This is 40% higher than the state median of 39.0 years. Only 14.8% of residents are under 18, indicating fewer families with children. 15.1% 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 Mercer is $39,028. This is 45% lower than the state median of $70,702. It is also 52% lower than the national median of $80,734. The poverty rate stands at 6.2%. This is 51% lower than the state poverty rate of 12.6%. The unemployment rate is 1.9%. This is 52% lower than the state rate of 4.0%. The median home value is $63,800. Housing costs are 72% lower than the state median of $230,300. With a home-value-to-income ratio of just 1.6x, Mercer is one of the most affordable housing markets in the area. 74.6% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 68.1%.
Race & Ethnicity
Mercer has a predominantly White (non-Hispanic) population, comprising 89.8% of all residents. Hispanic or Latino residents account for 6.5%. The Asian population is significantly higher than the state average (3.4% vs 2.1%).
Education
12.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 62% 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 91.7%.
Data Sources & Methodology
All demographic data for Mercer, 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 Mercer, Missouri?
Mercer, Missouri has a population of 325 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mercer, MO?
The median household income in Mercer is $39,028, which is 52% lower than the national median of $80,734.
What is the poverty rate in Mercer, MO?
The poverty rate in Mercer is 6.2%. This means approximately 20 residents live below the federal poverty line.
What is the racial makeup of Mercer, Missouri?
Mercer's population is 89.8% White, 0.0% Black, 6.5% Hispanic/Latino, and 3.4% Asian.
What is the median home value in Mercer, MO?
The median home value in Mercer is $63,800. The home-value-to-income ratio is 1.6x.
How educated is Mercer, Missouri?
12.2% of adults (25+) in Mercer hold a bachelor's degree or higher, and 3.9% hold a graduate or professional degree.