Adelphi Flag

Adelphi

County:
Ross County
County Seat:
No
Area (mi²):
0.274
State:
Ohio

Adelphi is a village located in Ross County, Ohio. Adelphi has a 2026 population of 308. Adelphi is currently declining at a rate of -0.32% annually and its population has decreased by -2.84% since the most recent census, which recorded a population of 317 in 2020.

The median household income in Adelphi is $39,107 with a poverty rate of 26.11%. The median age in Adelphi is 41 years: 33.3 years for males, and 46.6 years for females. For every 100 females there are 110.7 males.

308
Total Population
1,125
Density (mi²)
-1 -0.32%
Growth

Adelphi Population

Adelphi Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026308-1-0.32%
2025309-2-0.64%
2024311-3-0.96%
2023314-1-0.32%
2022315-1-0.32%
2021316-1-0.32%
202031700%
201937730.8%
2018374-2-0.53%
201737600%
2016376-1-0.27%
201537700%
2014377-1-0.26%
201337810.27%
201237700%
2011377-3-0.79%
201038000%

Median Age

Overall: 41 years
Female: 46.6 years
Male: 33.3 years

Adelphi Adults

There are 247 adults, (58 of whom are seniors) in Adelphi.

Sex Ratio

Female: 150 (47.5%)
Male: 166 (52.5%)

Demographics

The racial composition of Adelphi includes 93.99% White, and smaller percentages for Asian, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White29793.99%
Two or more races123.8%
Asian61.9%
Other race10.32%
Race
Population ↓
Percentage (of total)
White29793.99%
Two or more races123.8%
Asian61.9%
Other race10.32%

Adelphi Marital Status

Economics and Income Statistics

Adelphi 's average per capita income is $61,250. Household income levels show a median of $39,107. The poverty rate stands at 26.11%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$117,500-
Families$83,611$90,812
Households$39,107$64,064
Non Families$21,739$29,433

$61,250

Average Income

$39,107

Median Household Income

26.11%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)