Also See: Adelphi, MD ZIP Codes & ZIP Code Maps
The Adelphi CDP(1) had a population of 15,932 as of July 1, 2021. Adelphi ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Maryland. See peer rankings below.
The primary coordinate point for Adelphi is located at latitude 39.0032 and longitude -76.9719 in Prince George's County. The formal boundaries for the Adelphi Census Designated Place encompass a land area of 2.74 sq. miles and a water area of 0 sq. miles. Prince George's County is in the Eastern time zone (GMT -5). The elevation is 174 feet.
The Adelphi Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.
Alternate Unofficial Names for Adelphi: Riggs Mill Village.
|Total Population||15,932 (100%)|
|Population in Households||15,752 (98.9%)|
|Population in Families||11,209 (70.4%)|
|Population in Group Quarters1||180 ( 1.1%)|
|Median Household Income||$73,110|
|Average Household Income||$87,621|
|% of Income for Mortgage4||18%|
|Per Capita Income||$28,784|
|Total HU (Housing Units)||5,661 (100%)|
|Owner Occupied HU||2,649 (46.8%)|
|Renter Occupied HU||2,599 (45.9%)|
|Vacant Housing Units||414 ( 7.3%)|
|Median Home Value||$313,636|
|Average Home Value||$305,174|
|Housing Affordability Index3||127|
|Average Household Size||3.0|
|Average Family Size||4|
GROWTH RATE / YEAR
|Median Household Income||1.1%|
|Per Capita Income||1.72%|
|Owner Occupied HU||0.52%|
The table below compares Adelphi to the other 518 incorporated cities, towns and CDPs in Maryland by rank and percentile using July 1, 2021 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.
|Total Population||# 86||84th|
|Population Density||# 35||93rd|
|Median Household Income||# 316||39th|
|Housing Affordability Index||# 145||28th|
|Per Capita Income||# 415||20th|
|Diversity Index||# 4||99th|
Additional comparisons and rankings can be made with a VERY EASY TO USE Maryland Census Data Comparison Tool.