United States › Maryland › Adelphi CITY · 2020 ACS
Adelphi Maryland · 16,823 residents · 2.72 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
Adelphi is a city of 16,823 people in Maryland. The foreign-born share is 56%. 43% of homes are owner-occupied. This skews young, with a median age of 32.9. That trails the Maryland median by roughly 21%. Getting to work takes 35 minutes on average.
At a glance
Average income
near the US median
US median: $66,278
Younger
median age 32.9
US median: 38.8
Average education
28% hold a bachelor's degree
US average: 33%
Less affordable
home values up 44%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 31.8 in 2000
US average: 38.8
Population, 1990 – 2024
13K 14K 15K 17K 18K 1990 2000 2010 2020 2024 Adelphi Age distribution, 2020
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Section 02
Income & economy $68,516
−1%inflation adjusted, since 2000
from $45,827 in 2000
US average: $66,278
from $20,952 in 2000
US average: $35,364
Households earning $100K+
from 32.9% in 2009
US average: 43.9%
from 9.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 4.3%
Transportation & warehousing 3.2%
Arts, entertainment, food 1.4%
Agriculture, forestry, fishing 0.2%
Education & health services 0.1%
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$319,900
+44%inflation adjusted, since 2000
from $147,500 in 2000
US average: $265,253
$1,484
+26%inflation adjusted, since 2000
from $783 in 2000
US average: $1,124
from 52.3% in 2000
56.7% rent
3.31 people
+13%since 2009
from 2.93 people in 2009
US average: 2.61
from 5.7 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 21.5%(3,229)
Hispanic / Latino 25.7%(3,860)
2020
White, non-Hispanic 9.3%(1,571)
Hispanic / Latino 50.3%(8,463)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 5 more hispanic origin groups with data Ancestry
+ 30 more ancestry groups with data from 37.0% in 2000
US average: 32.9%
High school or higher
from 79.0% in 2000
US average: 88.5%
from 17.7% in 2000
US average: 12.7%
Section 06
Commute & transportation from 24.2 min in 2000
US average: 26.9
from 57.0% in 2009
US average: 75.1%
from 8.3% in 2009
US average: 8.4%
Section 07
Work & employment from 12.3% in 2011
US average: 5.4%
from 75.8% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 26.6% in 2009
US average: 39.3%
Section 08
People & community from 43.9% in 2009
US average: 13.5%
from 28.8% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 55.9%(3,967)
Women 15+
Never married 47.6%(3,269)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 28.8% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 29.9%(92)
Gulf War (1990s) 21.1%(65)
Share of the 308 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Adelphi, Maryland? Adelphi, Maryland has about 16,823 residents according to the 2020 American Community Survey.
What is the median household income in Adelphi, Maryland? The typical household in Adelphi, Maryland earns about $68,516 a year. Half of households make more than that, and half make less.
Is Adelphi, Maryland expensive? In Adelphi, Maryland, the median home is worth about $319,900, and the typical rent is about $1,484 a month.
How educated are people in Adelphi, Maryland? About 28.4% of adults age 25 and over in Adelphi, Maryland hold a bachelor's degree or higher.
What is the poverty rate in Adelphi, Maryland? About 16.7% of people in Adelphi, Maryland live below the federal poverty line.
Has Adelphi, Maryland grown since 1990? Yes, Adelphi, Maryland has grown since 1990. The population has added about 3,299 residents, a change of about 24 percent over that period.
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