Adelphi, Maryland Population 2024

17,254

Adelphi Demographics

According to the most recent ACS, the racial composition of Adelphi was:

  • Other race: 38.13%
  • Black or African American: 28.13%
  • White: 17.07%
  • Asian: 8.07%
  • Two or more races: 8.02%
  • Native American: 0.58%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
2.7 sq mi
Density (mi²)
6,342.30/sq mi
Growth Since 2020
5.44% (890)
The current population of Adelphi, Maryland is 17,254 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 16,364.

Population by Race

Race
Population
Percentage (of total)
Other race6,46038.13%
Black or African American4,76628.13%
White2,89317.07%
Asian1,3678.07%
Two or more races1,3598.02%
Native American990.58%
Native Hawaiian or Pacific Islander00%

Other race

Black or African American

White

Asian

Two or more races

Native American

Native Hawaiian or Pacific Islander

Adelphi Population by Race

Adelphi Population Pyramid 2024

Adelphi Median Age

33.2

Total

33.7

Male

32.5

Female

Adelphi Adults

There are 12,798 adults, (1,776 of whom are seniors) in Adelphi.

Adelphi Age Dependency

53.7

Age Dependency Ratio

16.1

Old Age Dependency Ratio

37.6

Child Dependency Ratio

Adelphi Sex Ratio

Female7,78445.94%
Male9,16054.06%

Adelphi Population by Age

Adelphi Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5,3893.114258
Non Family2,1011.7132.567.5
Married1,8033.875941
Female7764.5654.945.1
Male7093.731387

3.75

Average Family Size

3.11

Average Household Size

42.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Adelphi Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade8948.17%
Associates Degree9078.29%
Bachelors Degree1,65715.14%
Graduate Degree1,37312.55%
High School Graduate2,51222.96%
Less Than 9th Grade2,23120.39%
Some College1,36712.49%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Adelphi Educational Attainment by Sex (over 25)

Adelphi Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
Hispanic4,8472,383386
Other Race3,7671,770273
Black3,3963,124983
White1,6171,5481,159
Asian995675459
2+ Races704476139
Native American71540

The highest rate of high school graduation is among white people with a rate of 95.73%.

The highest rate of bachelors degrees is among white people with a rate of 71.68%.

Adelphi Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$59,167$48,438$61,544
Graduate Degree$62,569$65,625$35,884
High School Graduate$32,814$38,892$26,761
Less Than 9th Grade$33,237$35,838$23,563
Overall$37,506$39,843$34,232
Some College$38,491$34,767$40,399

$37,506

Average Earnings

$39,843

Average Male

$34,232

Average Female

Adelphi Earnings by Educational Attainment

Adelphi Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Adelphi Language

27.76% of Adelphi residents speak only English, while 72.24% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 48.41% of the population.

Adelphi Language

Adelphi Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
Hispanic8,3831,77021.11%
Other6,37686213.52%
Black4,64073515.84%
Multiple1,35460544.68%
White2,11131314.83%
Asian1,34826419.58%

18.62%

Overall Poverty Rate

14.41%

Male Poverty Rate

23.55%

Female Poverty Rate

Poverty in Adelphi

The race most likely to be in poverty in Adelphi is Multiple, with 44.68% below the poverty level.

The race least likely to be in poverty in Adelphi is Other, with 13.52% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.02%. Among those working part-time, it was 23.54%, and for those that did not work, the poverty rate was 29.97%.

Adelphi Poverty

rate

Rate
Poverty
Some College15.45%
Less Than 9th Grade14.89%
High School14.68%
Bachelors or Greater4.94%

Adelphi Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed75.4%
Male Unemployed39.75%
Female Employed11.41%
Male Employed8.76%

Adelphi Poverty Rate by Employment Status and Sex

Adelphi Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$75,750$102,241
Households$68,396$93,493
Married Families$103,047$-999,999,999
Non Families$54,375$66,447

mean

median

Income by Household Type

Adelphi Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

32.9%

Overall Marriage Rate

31.8%

Male Marriage Rate

34.2%

Female Marriage Rate

Adelphi Married by Age and Sex

male

female

Adelphi Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Adelphi Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Adelphi Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

453

Number of Veterans

412

Male Veterans

41

Female Veterans

War
Veterans
Vietnam144
First Gulf War118
Second Gulf War117
Korea38
World War II3

Adelphi Veterans by War

count

Age Group
Veterans
55 to 64160
65 to 74118
75+99
18 to 3442
35 to 5434

Adelphi Veterans by Age

count

Name
Veterans
% of Total
Hispanic1903.31%
Black1564.18%
White1405.88%
Other Race1282.93%
2+ Races293.13%

Adelphi Veterans by Race

Adelphi Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.51%

Veteran Poverty Rate

12.79%

Veteran Disability Rate

Adelphi Veterans by Education

LaborForceParticipation

74.1%

Labor Force Participation

68.7%

Employment Rate

7.2%

Unemployment Rate

Adelphi Employment by Age

LaborForceParticipation

Adelphi Employment by Race

LaborForceParticipation

Adelphi Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

20.3%

Born in Adelphi

43.91%

Native Born

56.09%

Foreign Born

37.51%

Non Citizen

18.58%

Naturalized

Place of Birth

43.91% of Adelphi residents were born in the United States, with 20.3% having been born in Maryland. 37.51% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Adelphi Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202417,2541550.91%
202317,0991550.91%
202216,944-33-0.19%
202116,9776133.75%
202016,364-13-0.08%
201916,3776263.97%
201815,751-147-0.92%
201715,8983442.21%
201615,55470.05%
201515,547-338-2.13%
201415,8852151.37%
201315,6706254.15%
201215,0452611.77%
201114,784-302-2%
201015,08600%

Adelphi Population by Year