Mercer, Tennessee Demographics & Population 2026
During the 2020–2024 ACS period, Mercer, Tennessee had a total population of 128, the 471st largest community in Tennessee. The poverty rate is 7.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 8.6% of adults have a bachelor's degree, well below the national average of 35.7%.
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 | 61 | 128 | +109.8% |
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: 46 | National average: 61
Education
Educational Attainment (Adults 25+)
Mercer Rankings in Tennessee
Explore Tennessee Rankings
Other Cities in Madison County
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 |
|---|---|---|---|---|---|
| Conasauga | 128 | N/A | N/A | 0.0% | 28.1% |
| Butler | 127 | $64,188 | N/A | 6.8% | 4.7% |
| Holladay | 130 | N/A | N/A | 0.0% | 0.0% |
| Shiloh | 130 | $46,224 | $75,600 | 6.2% | 6.2% |
| Hickory Valley | 126 | $33,229 | $105,700 | 16.4% | 23.8% |
A note before these figures: with a population of 128, 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 Tennessee, within Madison County. The total population is 128. It ranks as the 471st most populous out of 502 Census-designated places in Tennessee.
Age Demographics
The median age in Mercer is 50.9 years. This is 31% higher than the state median of 38.9 years.
Economy, Income & Housing
The poverty rate stands at 7.8%. This is 43% lower than the state poverty rate of 13.8%. The survey records no unemployed residents in Mercer, 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 66.9%.
Race & Ethnicity
Every resident counted in Mercer 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
8.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 72% lower than the state rate of 31.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 53.1%.
Data Sources & Methodology
All demographic data for Mercer, Tennessee 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 Tennessee state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 502 Census-designated places in Tennessee. 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, Tennessee?
Mercer, Tennessee has a population of 128 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Mercer, TN?
The Census Bureau does not publish a reliable median household income estimate for Mercer — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Mercer, TN?
The poverty rate in Mercer is 7.8%. This means approximately 10 residents live below the federal poverty line.
What is the racial makeup of Mercer, Tennessee?
Mercer's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Mercer, TN?
The Census Bureau does not publish a reliable median home value estimate for Mercer — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Mercer, Tennessee?
8.6% of adults (25+) in Mercer hold a bachelor's degree or higher, and 8.6% hold a graduate or professional degree.