Adelphi, Ohio Demographics & Population 2026
During the 2020–2024 ACS period, Adelphi, Ohio had a total population of 316, the 1003rd largest village in Ohio, with a median household income of $39,107, which is 45% lower than the state average. The poverty rate is 26.1%.
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.
- More than 1 in 4 residents live below the poverty line (26.1%), well above the national average of 12.4%.
Adelphi Quick Facts
How Adelphi 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 | 327 | 316 | -3.4% |
| Median household income | $36,563 | $39,107 | +7.0% |
| Median home value | $123,800 | $164,300 | +32.7% |
How Adelphi 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: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Adelphi Rankings in Ohio
Explore Ohio Rankings
Other Cities in Ross County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Chillicothe | 21,902 | $54,086 | 17.4% | $162,500 |
| Greenfield | 3,966 | $46,875 | 20.0% | $113,700 |
| Frankfort | 1,171 | $67,500 | 9.8% | $168,200 |
| Kingston | 703 | $40,357 | 26.3% | $157,200 |
| Massieville | 642 | $58,255 | 0.0% | $139,700 |
| Bainbridge | 617 | $56,250 | 25.4% | $97,700 |
| Bourneville | 509 | N/A | 4.9% | $84,300 |
| Andersonville | 495 | $83,355 | 8.5% | $223,900 |
| Richmond Dale | 473 | $64,438 | 0.0% | $87,000 |
| Clarksburg | 464 | $49,107 | 36.0% | $116,100 |
Cities Similar to Adelphi
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Haydenville | 314 | N/A | N/A | 20.2% | 54.8% |
| New Pittsburg | 332 | N/A | $164,300 | 17.7% | 10.7% |
| Bladensburg | 300 | N/A | N/A | 0.0% | 15.3% |
| East Liberty | 300 | N/A | $334,700 | 28.1% | 28.0% |
| Flat Rock | 340 | N/A | $92,500 | 28.7% | 24.7% |
A note before these figures: with a population of 316, Adelphi'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
Adelphi is a small community located in Ohio, within Ross County. The total population is 316. It ranks as the 1003rd most populous out of 1,264 Census-designated places in Ohio.
Age Demographics
The median age in Adelphi is 41.0 years. This is 3% higher than the state median of 39.7 years. 10.8% 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 Adelphi is $39,107. This is 45% lower than the state median of $71,389. It is also 52% lower than the national median of $80,734. The poverty rate stands at 26.1%. This is 96% higher than the state poverty rate of 13.3%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 4.8%. The median home value is $164,300. Housing costs are 24% lower than the state median of $214,800. The home-value-to-income ratio is 4.2x. 55.0% of occupied housing units are owner-occupied. This homeownership rate is 18% lower than the state average of 67.2%.
Race & Ethnicity
Adelphi has a predominantly White (non-Hispanic) population, comprising 94.0% of all residents. Asian residents account for 1.9%.
Education
15.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 50% lower than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 80.7%.
Data Sources & Methodology
All demographic data for Adelphi, Ohio 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 Ohio state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,264 Census-designated places in Ohio. 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 Adelphi, Ohio?
Adelphi, Ohio has a population of 316 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Adelphi, OH?
The median household income in Adelphi is $39,107, which is 52% lower than the national median of $80,734.
What is the poverty rate in Adelphi, OH?
The poverty rate in Adelphi is 26.1%. This means approximately 82 residents live below the federal poverty line.
What is the racial makeup of Adelphi, Ohio?
Adelphi's population is 94.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 1.9% Asian.
What is the median home value in Adelphi, OH?
The median home value in Adelphi is $164,300. The home-value-to-income ratio is 4.2x.
How educated is Adelphi, Ohio?
15.6% of adults (25+) in Adelphi hold a bachelor's degree or higher, and 3.7% hold a graduate or professional degree.