Adelphi, MD
Demographics And Statistics

We take you around Adelphi to find out what it's like to call it home.

Living in Adelphi, Maryland

Life in Adelphi research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in Adelphi over the past nine years using Census, FBI, Zillow, and other primary data sources. Here's a snapshot of Adelphi based on the most recently available data.

17,395 Population
$445,258 Median home value
$82,137 Median income
127 Cost of living +27% vs US
$1,804 Median rent
6.0% Unemployment
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Adelphi SnackAbility

6
Overall SnackAbility
Jobs 7/10
Housing 9/10
Affordability 4/10
Diversity 9.5/10
SafetyN/A
Amenities 9/10
Education 6/10
Commute 4/10

Cost of living in Adelphi summary. We use data on the cost of living to determine how expensive it is to live in Adelphi. Real estate prices drive most of the variance in cost of living around Maryland. Key points include:

  • The cost of living in Adelphi is 127 with 100 being average.

  • The cost of living in Adelphi is 1.3x higher than the national average.

  • The median home value in Adelphi is $445,258.

  • The median income in Adelphi is $82,137.

127
Adelphi's Overall Cost Of Living
1.3x
Higher Than The National Average
Adelphi
US

Cost Of Living In Adelphi Comparison Table

Living Expense Adelphi Maryland National Average
Overall 127 121 100
Services 105 104 100
Groceries 108 107 100
Health 173 152 100
Housing 112 109 100
Transportation 105 108 100
Utilities 107 109 100
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Source: Cost of living index, normalized to US average = 100

Adelphi, MD Weather

  • The average high in Adelphi is 66.2° and the average low is 46.0°.

  • There are 74.1 days of precipitation each year.

  • Expect an average of 42.6 inches of precipitation each year with 13.6 inches of snow.

StatAdelphi
Average Annual High66.2
Average Annual Low46.0
Annual Precipitation Days74.1
Average Annual Precipitation42.6
Average Annual Snowfall13.6
66.2°
Average High
74.1
Days of Rain

Source: NOAA climate normals (30-year)

Adelphi, MD Photos

Source: Flickr User The Eggplant | CC BY-ND 2.0

Rankings & Articles For Adelphi

Locations Around Adelphi

Map Of Adelphi, MD

Best Places Around Adelphi

1

Four Corners, MD
Population 8,150

$634,886+43% vs Adelphi
2

North Potomac, MD
Population 23,922

$911,608+105% vs Adelphi
3

Layhill, MD
Population 5,497

$622,196+40% vs Adelphi
4

South Kensington, MD
Population 8,148

$941,277+111% vs Adelphi
5

Ilchester, MD
Population 28,364

$544,831+22% vs Adelphi
6

North Laurel, MD
Population 25,563

$460,609+3% vs Adelphi
7

Colesville, MD
Population 14,519

$631,202+42% vs Adelphi
8

Olney, MD
Population 35,797

$670,385+51% vs Adelphi
9

Kemp Mill, MD
Population 13,042

$610,530+37% vs Adelphi

Adelphi Demographics And Statistics

Population over time in Adelphi

The current population in Adelphi is 17,395. The population has increased 15.7% from 2010.

Year Population % Change
2024 17,395 1.1%
2023 17,210 1.6%
2022 16,944 -0.2%
2021 16,977 3.7%
2020 16,364 -0.1%
2019 16,377 4.0%
2018 15,751 -0.9%
2017 15,898 2.2%
2016 15,554 0.0%
2015 15,547 -2.1%
2014 15,885 1.4%
2013 15,670 4.2%
2012 15,045 1.8%
2011 14,784 -1.7%
2010 15,040 -

Race / Ethnicity in Adelphi

White 9.7% (1,685)
African American 24.4% (4,244)
American Indian 0.0% (0)
Asian 10.0% (1,732)
Hawaiian 0.0% (0)
Other 0.0% (0)
Two Or More 1.2% (211)
Hispanic 54.7% (9,523)
See the full breakdown

Adelphi is:

  • 9.7% White with 1,685 White residents.

  • 24.4% African American with 4,244 African American residents.

  • 0.0% American Indian with 0 American Indian residents.

  • 10.0% Asian with 1,732 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.0% Other with 0 Other residents.

  • 1.2% Two Or More with 211 Two Or More residents.

  • 54.7% Hispanic with 9,523 Hispanic residents.

Race Adelphi MD USA
White 9.7% 46.6% 57.4%
African American 24.4% 28.9% 11.9%
American Indian 0.0% 0.1% 0.5%
Asian 10.0% 6.5% 5.9%
Hawaiian 0.0% 0.0% 0.2%
Other 0.0% 0.7% 0.6%
Two Or More 1.2% 4.6% 4.3%
Hispanic 54.7% 12.5% 19.3%

Gender in Adelphi

Female 49.7% (8,651)
Male 50.3% (8,744)
See the full breakdown
  • Adelphi is 49.7% female with 8,651 female residents.

  • Adelphi is 50.3% male with 8,744 male residents.

Gender Adelphi MD USA
Female 49.7% 51.3% 50.5%
Male 50.3% 48.7% 49.5%

Highest level of educational attainment in Adelphi for adults over 25

< 9th Grade 19.0% (3,305)
9-12th Grade 10.0% (1,739)
High School / GED 23.0% (4,000)
Some College 11.0% (1,913)
Associate's Degree 7.0% (1,217)
Bachelor's Degree 15.0% (2,609)
Master's Degree 8.0% (1,391)
Professional Degree 4.0% (695)
Doctorate Degree 3.0% (521)
See the full breakdown
  • 19.0% of adults in Adelphi completed < 9th grade.

  • 10.0% of adults in Adelphi completed 9-12th grade.

  • 23.0% of adults in Adelphi completed high school / ged.

  • 11.0% of adults in Adelphi completed some college.

  • 7.0% of adults in Adelphi completed associate's degree.

  • 15.0% of adults in Adelphi completed bachelor's degree.

  • 8.0% of adults in Adelphi completed master's degree.

  • 4.0% of adults in Adelphi completed professional degree.

  • 3.0% of adults in Adelphi completed doctorate degree.

Education Adelphi MD USA
< 9th Grade 19.0% 4.0% 4.0%
9-12th Grade 10.0% 5.0% 6.0%
High School / GED 23.0% 23.0% 26.0%
Some College 11.0% 17.0% 19.0%
Associate's Degree 7.0% 7.0% 9.0%
Bachelor's Degree 15.0% 23.0% 22.0%
Master's Degree 8.0% 15.0% 10.0%
Professional Degree 4.0% 3.0% 2.0%
Doctorate Degree 3.0% 3.0% 2.0%

Household Income For Adelphi, Maryland

Less than $10,000 3.6% (62,531)
$10,000 to $14,999 1.0% (17,722)
$15,000 to $24,999 4.0% (70,222)
$25,000 to $34,999 6.6% (114,361)
$35,000 to $49,999 9.5% (164,520)
$50,000 to $74,999 20.5% (357,129)
$75,000 to $99,999 13.5% (234,407)
$100,000 to $149,999 18.3% (318,005)
$150,000 to $199,999 8.7% (151,144)
$200,000 or more 14.3% (249,455)
See the full breakdown
  • 3.6% of households in Adelphi earn Less than $10,000.

  • 1.0% of households in Adelphi earn $10,000 to $14,999.

  • 4.0% of households in Adelphi earn $15,000 to $24,999.

  • 6.6% of households in Adelphi earn $25,000 to $34,999.

  • 9.5% of households in Adelphi earn $35,000 to $49,999.

  • 20.5% of households in Adelphi earn $50,000 to $74,999.

  • 13.5% of households in Adelphi earn $75,000 to $99,999.

  • 18.3% of households in Adelphi earn $100,000 to $149,999.

  • 8.7% of households in Adelphi earn $150,000 to $199,999.

  • 14.3% of households in Adelphi earn $200,000 or more.

Income Adelphi MD USA
Less than $10,000 3.6% 4.4% 5.0%
$10,000 to $14,999 1.0% 2.4% 3.4%
$15,000 to $24,999 4.0% 4.3% 6.3%
$25,000 to $34,999 6.6% 4.9% 6.6%
$35,000 to $49,999 9.5% 7.5% 10.1%
$50,000 to $74,999 20.5% 12.8% 15.5%
$75,000 to $99,999 13.5% 11.9% 12.6%
$100,000 to $149,999 18.3% 18.9% 17.5%
$150,000 to $199,999 8.7% 12.5% 9.6%
$200,000 or more 14.3% 20.3% 13.4%

Source: U.S. Census ACS 5-year estimates (2024)