Adelphi, OH Profile: Facts, Map & Data


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Adelphi, Ohio - Basic Facts

The Village of Adelphi had a population of 380 as of July 1, 2018.

The primary coordinate point for Adelphi is located at latitude 39.4645 and longitude -82.7461 in Ross County. The formal boundaries for the Village of Adelphi (see map below) encompass a land area of 0.27 sq. miles and a water area of 0 sq. miles. Ross County is in the Eastern time zone (GMT -5). The elevation is 837 feet.

The Village of Adelphi (GNIS ID: 2397915) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Village of Adelphi is located within Township of Colerain, a minor civil division (MCD) of Ross County.

Beneath the boundary map are tables with Adelphi population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Adelphi: Adelph, Adelpha, Adelphi Station, Adelphia.

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Village of Adelphi, OH Boundary Map

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Boundary Maps: Township of Colerain | Ross County | Ohio Counties

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Adelphi, OH Data & Demographics (As of July 1, 2018)


Total Population 380
Population in Households 377
Population in Familes 315
Population in Group Qrtrs 3
Population Density2 1,387
Diversity Index3 8


Median Household Income $44,271
Average Household Income $75,913
Per Capita Income $28,365


Total Housing Units 175 (100%)
Owner Occupied HU 125 (71.4%)
Renter Occupied HU 30 (17.1%)
Vacant Housing Units 21 (12.0%)
Median Home Value $103,846
Average Home Value $131,048


Total Households 154
Average Household Size 2.45
Family Households 111
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.0% -0.16%
Households 0.0% 0.0%
Families 1.27% -0.18%
Median Household Income   3.43%
Per Capita Income   4.06%

Adelphi, OH - Peer Comparisons by Rank and Percentile

The table below compares Adelphi to the other 1,215 incorporated cities, towns and CDPs in Ohio by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 931 23rd
Population Density # 525 57th
Diversity Index # 841 30th
Median Household Income # 907 25th
Per Capita Income # 402 67th

Additional comparisons and rankings can be made with a VERY EASY TO USE Ohio Census Data Comparison Tool.

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