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Adelphi
City in Maryland, United States
Overview
Adelphi is a small, residential community in Prince George's County, Maryland, bordered by lush green spaces and parks. Despite its modest population, Adelphi offers easy access to metropolitan Washington, DC and nearby colleges. The atmosphere is tranquil and welcoming, making it suitable for families and students seeking quiet suburban life.
Geographic Context
Jurisdiction
United States
State
Maryland
Population
322
Time Zone
America/New_York
Coordinates
39.00°, -76.97°
Key Metrics
Safety Score
68
Female Safety
70
LGBTQ+ Safety
80
Traffic Safety
72
Food Safety
98
Monthly Cost
$2,595
Local Cost
$1,845
Local Income
$3,400
Cashless
85
English
100
Temperature
13.1°C
Summer Avg
24.6°C
Winter Avg
1.4°C
Record High
40.2°C
Record Low
-18.7°C
Humidity
77%
Precipitation
1153 mm
Internet Speed
422 Mbps
Upload
111 Mbps
Latency
12 ms
City Vibrancy
12
Coworking
0
Cafes
1
Nightlife
0
Parks
11
Transport
93
Walk Score
93
Footways
186.0
Airport
CGS
Distance
5 km
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-23.
World Air Quality Index - Latest available city-level air quality station measurement. Updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 4 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-08.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-06.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
Estimated data
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores are model-assisted estimates derived from source-backed country and city signals. Confidence 60/100.
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