Adelphi CDP, Maryland Demographics & Population 2026

Name: Adelphi CDP, Maryland Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

As of 2026, Adelphi CDP, Maryland has a total population of 17,210, the 82nd largest city in Maryland, with a median household income of $80,833, which is 20% lower than the state average. The poverty rate is 17.2%.

Adelphi CDP Quick Facts

Population 17,210

Median Household Income $80,833

Median Home Value $401,700

Poverty Rate 17.2%

Unemployment Rate 6.0%

Median Age 32.9 years

Homeownership Rate 42.7%

Affordability Ratio 5.0x

Bachelor's Degree or Higher 27.4%

High School Graduation Rate 72.2%

Diversity Index 64/100

Population 17,210 82nd of 528

Median Income $80,833 below average

Poverty Rate 17.2% 38% higher national

Median Home Value $401,700 above average

How Adelphi CDP Compares

Median Household Income

Adelphi CDP

$80,833

$101,652

National

$78,538

Median Home Value

Adelphi CDP

$401,700

$397,700

National

$303,400

Economy & Housing

Household Income Distribution

Under $25K 10.9%

$25K-$50K 18.3%

$50K-$100K 30.6%

$100K+ 40.3%

Employment

6.0% Unemployment Rate State: 4.9% | National: 5.2%

74.7% Labor Force Participation

Housing Overview

Owner 42.7%

Renter 57.3%

Affordability Index Expensive

5.0x home value to income ratio

People & Demographics

Age Distribution

Under 18

25.3%

18-34

26.5%

35-54

25.7%

55-74

17.6%

75+

4.9%

Race & Ethnicity

Diversity Index

High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 67 | National average: 60

Education

Educational Attainment (Adults 25+)

Adelphi CDP Rankings in Maryland

#82 Population of 528

#314 Median Income of 528

#312 Education of 528

#190 Home Value of 528

Explore Maryland Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Cities Similar to Adelphi CDP

These cities in the same state have comparable population and economic profiles.

City	Population	Median Income	Home Value	Bachelor's+	Poverty
Easton town	17,202	$73,460	$348,400	39.4%	13.0%
White Oak CDP	16,458	$80,118	$520,200	40.9%	17.1%
Aberdeen city	16,831	$76,019	$239,000	25.6%	14.1%
Ferndale CDP	17,076	$92,391	$325,400	25.4%	4.6%
Glassmanor CDP	17,687	$69,778	$316,500	19.5%	13.3%

Population Overview

Adelphi CDP is a small city located in Maryland. The total population is 17,210. It ranks as the 82nd most populous out of 528 cities and towns in Maryland.

Age Demographics

The median age in Adelphi CDP is 32.9 years. This is 16% lower than the state median of 39.3 years.

Economy, Income & Housing

The median household income in Adelphi CDP is $80,833. This is 20% lower than the state median of $101,652. Compared to the national median of $78,538, household income here is 3% higher. The poverty rate stands at 17.2%. This is 84% higher than the state poverty rate of 9.3%. The unemployment rate is 6.0%. This is 22% higher than the state rate of 4.9%. The median home value is $401,700. Housing costs are 1% higher than the state median of $397,700. The home-value-to-income ratio is 5.0x. 42.7% of occupied housing units are owner-occupied. This homeownership rate is 37% lower than the state average of 67.5%.

Race & Ethnicity

The largest racial or ethnic group in Adelphi CDP is Hispanic or Latino, making up 50.4% of the population. Black or African American residents account for 29.9%. The White (non-Hispanic) population (10.6%) is well below the state average of 47.4%. The Hispanic or Latino population is significantly higher than the state average (50.4% vs 12.1%).

Education

27.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 36% lower than the state rate of 42.7%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 72.2%.

Data Sources & Methodology

All demographic data for Adelphi CDP, Maryland is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Maryland state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 528 Census-designated places in Maryland. For official data, visit data.census.gov.

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Frequently Asked Questions

What is the population of Adelphi CDP, Maryland?

Adelphi CDP, Maryland has a population of 17,210 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Adelphi CDP, MD?

The median household income in Adelphi CDP is $80,833, which is 3% higher the national median of $78,538.

What is the poverty rate in Adelphi CDP, MD?

The poverty rate in Adelphi CDP is 17.2%. This means approximately 2,906 residents live below the federal poverty line.

What is the racial makeup of Adelphi CDP, Maryland?

Adelphi CDP's population is 10.6% White, 29.9% Black, 50.4% Hispanic/Latino, and 7.8% Asian.

What is the median home value in Adelphi CDP, MD?

The median home value in Adelphi CDP is $401,700. The home-value-to-income ratio is 5.0x.

How educated is Adelphi CDP, Maryland?

27.4% of adults (25+) in Adelphi CDP hold a bachelor's degree or higher, and 12.2% hold a graduate or professional degree.