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 2025 population of 314. Adelphi is currently declining at a rate of -0.32% annually and its population has decreased by -1.26% since the most recent census, which recorded a population of 318 in 2020.

The average household income in Adelphi is $57,534 with a poverty rate of 25.54%. The median age in Adelphi is 40.1 years: 31.5 years for males, and 43.9 years for females.

314
Total Population
1,147
Density (mi²)
-1 -0.32%
Growth

Adelphi Population

Adelphi Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Adelphi includes 93.88% White, and smaller percentages for Asian, other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White30793.88%
Two or more races113.36%
Asian72.14%
Other race20.61%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%

Adelphi Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Adelphi's average per capita income is $60,435. Household income levels show a median of $36,563. The poverty rate stands at 25.54%.

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$81,786-
Families$62,083$78,840
Households$36,563$57,534
Non Families$19,464$29,548

$60,435

Average Income

$36,563

Median Household Income

25.54%

Poverty Rate

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)