Adelphi, MD
Demographics And Statistics

Demographics | Cost Of Living
Updated: 2025-10-25

Living In Adelphi, Maryland Summary

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. Based on the most recently available data, we found the following about life in Adelphi:

  • The population in Adelphi is 17,210.

  • The median home value in Adelphi is $445,197.

  • The median income in Adelphi is $80,833.

  • The cost of living in Adelphi is 127 which is 1.3x higher than the national average.

  • The median rent in Adelphi is $1,757.

  • The unemployment rate in Adelphi is 6.0%.

  • The poverty rate in Adelphi is 17.2%.

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

Adelphi SnackAbility

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

Adelphi, MD Cost Of Living

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 $445,197.

  • The median income in Adelphi is $80,833.

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

Cost Of Living In Adelphi Comparison Table

Living Expense Adelphi Maryland National Average
Overall 127 121 100
Services 119 105 100
Groceries 106 107 100
Health 112 96 100
Housing 169 150 100
Transportation 107 99 100
Utilities 110 113 100

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

Adelphi, MD Photos

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

Rankings for Adelphi in Maryland

Locations Around Adelphi

Map Of Adelphi, MD

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Adelphi Demographics And Statistics

Population over time in Adelphi

The current population in Adelphi is 17,210. The population has increased 14.4% from 2010.

Year Population % Change
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
10.6% (1,823)
African American
29.9% (5,145)
American Indian
0.0% (0)
Asian
7.7% (1,333)
Hawaiian
0.0% (0)
Other
0.3% (50)
Two Or More
1.1% (191)
Hispanic
50.4% (8,668)

Adelphi is:

  • 10.6% White with 1,823 White residents.

  • 29.9% African American with 5,145 African American residents.

  • 0.0% American Indian with 0 American Indian residents.

  • 7.7% Asian with 1,333 Asian residents.

  • 0.0% Hawaiian with 0 Hawaiian residents.

  • 0.3% Other with 50 Other residents.

  • 1.1% Two Or More with 191 Two Or More residents.

  • 50.4% Hispanic with 8,668 Hispanic residents.

Race Adelphi MD USA
White 10.6% 47.4% 58.2%
African American 29.9% 29.2% 12.0%
American Indian 0.0% 0.1% 0.5%
Asian 7.7% 6.4% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.3% 0.6% 0.5%
Two Or More 1.1% 4.2% 3.9%
Hispanic 50.4% 12.1% 19.0%

Gender in Adelphi

Female
48.4% (8,335)
Male
51.6% (8,874)
  • Adelphi is 48.4% female with 8,335 female residents.

  • Adelphi is 51.6% male with 8,874 male residents.

Gender Adelphi MD USA
Female 48.4% 51.3% 50.5%
Male 51.6% 48.7% 49.5%

Highest level of educational attainment in Adelphi for adults over 25

  • 20.0% of adults in Adelphi completed < 9th grade.

  • 7.0% of adults in Adelphi completed 9-12th grade.

  • 25.0% of adults in Adelphi completed high school / ged.

  • 11.0% of adults in Adelphi completed some college.

  • 9.0% 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.

  • 3.0% of adults in Adelphi completed professional degree.

  • 2.0% of adults in Adelphi completed doctorate degree.

< 9th Grade
20.0% (3,442)
9-12th Grade
7.0% (1,204)
High School / GED
25.0% (4,302)
Some College
11.0% (1,893)
Associate's Degree
9.0% (1,548)
Bachelor's Degree
15.0% (2,581)
Master's Degree
8.0% (1,376)
Professional Degree
3.0% (516)
Doctorate Degree
2.0% (344)
Education Adelphi MD USA
< 9th Grade 20.0% 4.0% 5.0%
9-12th Grade 7.0% 5.0% 6.0%
High School / GED 25.0% 24.0% 26.0%
Some College 11.0% 18.0% 19.0%
Associate's Degree 9.0% 7.0% 9.0%
Bachelor's Degree 15.0% 22.0% 21.0%
Master's Degree 8.0% 14.0% 10.0%
Professional Degree 3.0% 3.0% 2.0%
Doctorate Degree 2.0% 3.0% 2.0%

Household Income For Adelphi, Maryland

  • 5.6% of households in Adelphi earn Less than $10,000.

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

  • 4.3% of households in Adelphi earn $15,000 to $24,999.

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

  • 11.6% of households in Adelphi earn $35,000 to $49,999.

  • 16.4% of households in Adelphi earn $50,000 to $74,999.

  • 14.2% of households in Adelphi earn $75,000 to $99,999.

  • 19.9% of households in Adelphi earn $100,000 to $149,999.

  • 9.7% of households in Adelphi earn $150,000 to $199,999.

  • 10.7% of households in Adelphi earn $200,000 or more.

Less than $10,000
5.6% (97,048)
$10,000 to $14,999
1.0% (16,821)
$15,000 to $24,999
4.3% (73,757)
$25,000 to $34,999
6.6% (113,870)
$35,000 to $49,999
11.6% (200,244)
$50,000 to $74,999
16.4% (281,441)
$75,000 to $99,999
14.2% (244,563)
$100,000 to $149,999
19.9% (342,259)
$150,000 to $199,999
9.7% (167,571)
$200,000 or more
10.7% (183,422)
Income Adelphi MD USA
Less than $10,000 5.6% 4.3% 4.9%
$10,000 to $14,999 1.0% 2.5% 3.6%
$15,000 to $24,999 4.3% 4.5% 6.6%
$25,000 to $34,999 6.6% 4.9% 6.8%
$35,000 to $49,999 11.6% 7.9% 10.4%
$50,000 to $74,999 16.4% 13.2% 15.7%
$75,000 to $99,999 14.2% 12.0% 12.7%
$100,000 to $149,999 19.9% 19.3% 17.4%
$150,000 to $199,999 9.7% 12.4% 9.3%
$200,000 or more 10.7% 19.2% 12.6%

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