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 311 . Adelphi is currently declining at a rate of -0.96% annually and its population has decreased by -1.89% since the most recent census, which recorded a population of 317 in 2020.

The median household income in Adelphi is $36,563 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. For every 100 females there are 135.3 males.

311
Total Population
1,136
Density (mi²)
-3 -0.96%
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 and multiracial populations.

Population by Race

White (93.88%)

Two or more races (3.36%)

Asian (2.14%)

Other race (0.61%)

Race
Population
Percentage (of total)
White30793.88%
Two or more races113.36%
Asian72.14%
Other race20.61%

Adelphi Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

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)