About

Life in Adelphi

This small unincorporated area in Prince George's County sits in a sweet spot for people who want suburban quiet without complete isolation from the DC region. With a population around 17,000 spread across 2.7 square miles, you're looking at a dense, walkable community that's still genuinely residential—100% urban by census definition, but it doesn't feel cramped. The median household income hovers around $82,137, and median home values sit at $425,200, which puts it in that middle-ground territory where you're paying for proximity to the capital without the astronomical prices of closer-in neighborhoods.

Adelphi at a Glance

Population, income, housing and more

Median Age

33.9 yrs

Poverty Rate

16.2%

Foreign-Born

56.4%

Broadband Internet

92.4%

of households

Population Growth

+5.1%

recent change · Census Bureau

Median household income

Adelphi$82,137
Maryland avg$103,678
US$80,734

Demographics56.4% foreign-born, most often from El Salvador

Who lives in Adelphi: race and ethnicity, ages, households, languages and countries of origin

In Adelphi, the largest foreign-born group is from El Salvador (33.0%), and 52.3% of residents speak Spanish at home.

Under 18

23.7%

of residents

65 and Older

10.5%

of residents

Households with Kids

36.9%

anyone under 18

Living Alone

17.0%

of households

Married Couples

39.2%

of households

Avg Household Size

3.30

people

Race & Ethnicity

Hispanic or Latino54.7%
Black24.4%
Asian10.0%
White9.7%
Two or more races1.2%

Hispanic or Latino of any race; other groups are non-Hispanic

Top countries of origin (foreign-born)

El Salvador33.0%
Guatemala11.8%
India6.8%
Cameroon5.5%
Ethiopia4.2%
Honduras4.2%
Colombia3.6%
Dominican Republic3.4%
Laos2.8%
Bangladesh2.5%

Languages Spoken at Home

Spanish52.3%
English only24.9%
Other6.0%
Other Indo-European5.0%
French/Haitian4.2%
Other Asian/Pacific3.5%
Arabic2.2%
Chinese0.6%

Cost of Livingrent 6% above MD average

Rent, home values, and income in Adelphi

In Adelphi, rent runs 6% above the MD average.

Median rent (per month)

Adelphi$1,804
Maryland avg$1,705
US$1,413

Median home value

Adelphi$425,200
Maryland avg$419,900
US$332,700

Rent Burdened

56.2%

spending 30%+ of income on rent

Severely Rent Burdened

25.6%

spending 50%+

Cost of Living Index

108.9

metro area (BEA) · US avg = 100

Median Property Tax

$4,385

per year, owner-occupied homes

Homeowners

41.8%

of occupied homes are owned

Typical Home Built

1968

median year built

Vacant Homes

7.4%

of housing units

Home Value Trend

$418,127
$446,172
$440,084
202120222023202420252026

Latest: $440,084 (September 2026)

Jobs & Economyunemployment 0.4 pts above MD average

Unemployment in Adelphi and typical pay across the metro area

Unemployment in Prince George's County, which includes Adelphi, is 0.4 percentage points higher than the MD average.

Unemployment rate

Adelphi4.4%
Maryland avg4.0%
US4.3%

Adelphi: Prince George's County rate (county-wide) · BLS annual average

Unemployment Rate — 10 Year Trend

4.3%
4.1%
3.9%
3.5%
7.7%
6.6%
3.3%
2.4%
3.4%
4.4%
2016201720182019202020212022202320242025

Prince George's County (county-wide) · Annual averages

Adelphi is about 2% of Prince George's County’s population, so county-wide figures may differ from local conditions.

What Adelphi Residents Do for Work · share of employed residents by industry

Education & health care22.7%
Construction18.3%
Professional & business services13.0%
Arts, hospitality & food service12.7%
Retail7.9%
Transportation & utilities5.2%
Finance & real estate4.8%
Other services4.8%

City residents, wherever they work

Median Salary by Occupation · metro area

Management$154,420
Computer & Math$129,790
Business & Finance$101,420
Healthcare$96,680
Education$64,110
Construction$58,650
Office & Admin$48,960
Transportation$43,540

Washington-Arlington-Alexandria, DC-VA-MD-WV metro area

Commute37.3 min avg

How Adelphi residents get to work, and the nearest airports

In Adelphi, most residents drive alone to work (52%), and 34% get there in under 30 minutes.

How People Get to Work

Drive alone51.8%
Carpool20.9%
Public transit8.4%
Walk4.0%
Work from home10.6%
Other4.3%

Commute Time Distribution

Under 15 min8.6%
15–29 min25.6%
30–44 min33.5%
45–59 min12.1%
60+ min20.3%

Nearest airports · with airline service

  • Ronald Reagan Washington National Airport (DCA)

    Major hub12.0M passengers boarded in 2025

    11 mi

Straight-line distance. Size is the FAA’s hub category, based on passenger traffic: regional airports may have only a few flights a day.

Safetyviolent crime 19% below national average

Crime rates for 2025

Violent crime in the area policed by the Prince George's County Police Department, which covers Adelphi, runs 19% below the national average.

Violent Crime Rate

265.4

per 100,000 residents

Below average (329 national, 2025)

Property Crime Rate

1,919.2

per 100,000 residents

Above average (1,552 national, 2025)

Policed by Prince George's County Police Department (county-wide rate)

Natural DisastersThunderstorm Wind most common — 25 events in 2025

Natural hazard risk, storms and earthquakes

FEMA National Risk Index

Relatively Moderate

93.2 / 100

Compares expected losses from natural hazards, social vulnerability and community resilience against every US county (higher = more risk).

Lightning · Very HighWinter weather · Very HighHeat wave · HighInland flooding · HighStrong wind · High

Prince George's County, county-wide · FEMA NRI December 2025

In Prince George's County, which includes Adelphi, the most common type is thunderstorm wind, with 25 recorded events in 2025.

Most common events:

Thunderstorm WindFloodWinter WeatherDense FogFlash Flood

Storm events by year

YearEventsTop TypeProperty Damage
202525Thunderstorm Wind$118,000
202410Thunderstorm Wind$273,000
202315Thunderstorm Wind$122,000
202223Thunderstorm Wind$1.9M
202129Thunderstorm Wind$462,000
202045Flood$127,250
201942Thunderstorm WindNone reported
201841Flood$1,000

Property damage is the National Weather Service's estimate filed with each event. “None reported” means the events were logged with $0 damage; “Not estimated” means no estimate was filed. Storms covering several counties aren't counted here, since NOAA doesn't split their damage by county.

1 earthquake of magnitude 2.5+ within 100 miles in the past year

Prince George's County, county-wide

Adelphi is about 2% of Prince George's County’s population, so county-wide figures may differ from local conditions.

Air Quality40 median AQI — Good

Days by air quality category (2025)

Air quality in Prince George's County, which includes Adelphi, is typically good — 306 good-air days per year.

Median AQI

40

Good Days

306

per year

Moderate Days

56

per year

Unhealthy Days

0

per year

Prince George's County, county-wide

Adelphi is about 2% of Prince George's County’s population, so county-wide figures may differ from local conditions.

Climate85°F summers, 27°F winters

30-year climate averages (1991–2020) — monthly temperatures and precipitation

Adelphi has warm summers (avg high 85°F) and cold winters (avg low 27°F).

Spring (Mar–May)

64°/44°F

avg high / low

Summer (Jun–Aug)

85°/66°F

avg high / low

Fall (Sep–Nov)

68°/48°F

avg high / low

Winter (Dec–Feb)

45°/27°F

avg high / low

Annual Precipitation

48.0"

Annual Snowfall

15.8"

Hot Days/Year

30

days above 90°F

Freeze Days/Year

95

days below 32°F

Rainy Days/Year

140

Average month

High °FLow °FPrecip (in)
10°30°50°70°90°5"Jan: 2.87" precipitationFeb: 2.40" precipitationMar: 3.72" precipitationApr: 3.28" precipitationMay: 4.27" precipitationJun: 4.23" precipitationJul: 4.51" precipitationAug: 3.88" precipitationSep: 4.42" precipitationOct: 4.04" precipitationNov: 2.92" precipitationDec: 3.48" precipitation25°JJan: high 43°F, low 25°FFFeb: high 46°F, low 27°FMMar: high 53°F, low 34°FAApr: high 65°F, low 44°FMMay: high 74°F, low 54°FJJun: high 83°F, low 63°F87°JJul: high 87°F, low 68°FAAug: high 86°F, low 66°FSSep: high 79°F, low 59°FOOct: high 68°F, low 47°FNNov: high 57°F, low 37°FDDec: high 47°F, low 30°F
Show month-by-month table ↓
MonthHighLowPrecip
Jan43°F25°F2.87"
Feb46°F27°F2.40"
Mar53°F34°F3.72"
Apr65°F44°F3.28"
May74°F54°F4.27"
Jun83°F63°F4.23"
Jul87°F68°F4.51"
Aug86°F66°F3.88"
Sep79°F59°F4.42"
Oct68°F47°F4.04"
Nov57°F37°F2.92"
Dec47°F30°F3.48"

Healthcare

Hospitals, ratings, and health insurance in Adelphi

Uninsured

28.7%

of residents

No hospitals inside Adelphi's limits — nearest hospitals · within 15 miles

Holy Cross Hospital

Acute Care Hospitals · 3.5 mi away · Silver Spring

Washington Dc VA Medical Center

Acute Care - Veterans Administration · ER available · 5.4 mi away · Washington

Medstar Washington Hospital Center

Acute Care Hospitals · ER available · 5.4 mi away · Washington

Adult Health · vs. the typical US place

Obesity41.2%US 36.8%
Diabetes14.2%US 12.6%
High blood pressure33.9%US 37.1%
Current smoking12.6%US 15.0%
No leisure-time physical activity32.3%US 26.6%
Depression15.9%US 23.0%
Asthma10.7%US 10.7%
Routine checkup in past year72.0%US 78.2%

Share of adults. Modeled estimates, not counted cases. “US” = the typical US place.

Medicare-certified hospitals only. Doesn’t include clinics, urgent care, or freestanding ERs.

Education14.8:1 student/teacher ratio

Schools and degree attainment in Adelphi

Adelphi's student/teacher ratio is 14.8:1 (lower than the national average of 16:1), and 30.0% of adults 25+ hold a bachelor's degree or higher.

Public Schools

6

within city limits

Private Schools

0

within city limits

College Degree Rate

30.0%

adults 25+ with bachelor's or higher

Student/Teacher Ratio

14.8:1

National avg 16:1

Schools located within city limits (2023) — school-level metrics change slowly year to year

Colleges Near Adelphi (within 15 miles)

University of Maryland Global Campus

9.2 mi away

Public · 4-year · 49,664 students · in-state tuition $8,280 · 32% graduate · median earnings $68,110 (10 yrs after entry)

University of Maryland-College Park

1.8 mi away

Public · 4-year · 30,760 students · in-state tuition $12,290 · 86% graduate · median earnings $89,228 (10 yrs after entry)

Montgomery College

12 mi away

Public · 2-year · 13,773 students · in-state tuition $5,394 · 23% graduate · median earnings $55,378 (10 yrs after entry)

George Washington University

8.3 mi away

Private nonprofit · 4-year · 11,182 students · in-state tuition $70,170 · 86% graduate · median earnings $96,691 (10 yrs after entry)

Howard University

6.1 mi away

Private nonprofit · 4-year · 10,108 students · in-state tuition $38,936 · 69% graduate · median earnings $69,682 (10 yrs after entry)

Strayer University-Global Region

7.6 mi away

Private for-profit · 4-year · 9,376 students · in-state tuition $13,920 · 14% graduate · median earnings $44,016 (10 yrs after entry)

Degree-granting colleges with 100+ students, placed by campus location (main campuses only — branch campuses are reported under their parent school)

Parks & Recreationclosest: Civil War Defenses of Washington, 4 mi

Nearby national parks, recreation areas and public libraries for Adelphi

Adelphi has 8 nearby national parks or recreation areas, closest being Civil War Defenses of Washington (4 mi away).

Nearby National Parks & Recreation Areas

Civil War Defenses of Washington

National Park Site

4 mi away

Greenbelt Park

Park

4 mi away

Kenilworth Park & Aquatic Gardens

National Park Site

6 mi away

Rock Creek Park

Park

6 mi away

African American Civil War Memorial

National Park Site

7 mi away

Baltimore-Washington Parkway

Parkway

7 mi away

Carter G. Woodson Home National Historic Site

National Historic Site

7 mi away

Mary McLeod Bethune Council House National Historic Site

National Historic Site

7 mi away

Cities Near Adelphi

The closest cities within 60 miles

Planning a move to Adelphi?

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Adelphi FAQ

Is Adelphi, Maryland affordable?⌄

Adelphi's median rent is $1,804/month, which is above the national average. The median household income is $82,137/year. Median home value is $425,200.

Is Adelphi, Maryland safe?⌄

Adelphi is policed by the Prince George's County Police Department, whose violent crime rate across its service area was 265 per 100,000 residents in 2025, which is below the national average of 329/100k that year. Property crime rate is 1919 per 100,000. As with any city, crime rates vary by neighborhood.

What is the job market like in Adelphi, Maryland?⌄

Prince George's County, which includes Adelphi, has an unemployment rate of 4.4%, which is close to the national average of 4.3%.

What is the cost of living in Adelphi, Maryland?⌄

The cost of living in Adelphi is primarily driven by housing. Median rent is $1,804/month and median household income is $82,137/year. The median home value is $425,200. About 56% of renters spend more than 30% of their income on housing.

How is the commute in Adelphi, Maryland?⌄

The average commute in Adelphi is 37 minutes, which is longer than average compared to the national average of 26 minutes.

Data from the US Census Bureau, BLS, FBI, NOAA, EPA, Zillow Research and other public sources. Where our data comes from