At a Glance
Median Income
$80,833
$32,608 per capita
Home Value
$401,700
Zillow: $439,626
Median Rent
$1,757/mo
34.0% of income on rent
Violent Crime
0/100K
1,826/100K property
Bachelor's Degree+
27.4%
72.1% high school+
Unemployment
4.5%
11.7% poverty rate
Obesity Rate
41.7%
12.8% smoking rate
Avg Temperature
58°F
293 sunny days/yr
How Adelphi Compares to the U.S. Average
Each bar shows Adelphi's value as a percentage of the national average (100% = U.S. avg)
Thin vertical line = U.S. national average (100%)
Is Adelphi a Good Place to Live?
B
3.4 / 5.0 — Good
Based on economy, affordability, safety, and education metrics compared to national averages.
Economy & Jobs
Adelphi residents earn a median household income of $80,833 , which is 8% above the national average of $75,149.
Per capita income is $32,608. The unemployment rate stands at 4.5% (25% above the U.S. rate of 3.6%). 11.7% of residents live below the poverty line. The area is home to 18,770 business establishments, including 1,546 restaurants.
Housing & Cost of Living
The median home value in Adelphi is $401,700 , 42% above the national median of $281,900.
Zillow estimates the typical home at $439,626. Median rent is $1,757/month, with 34.0% of renters spending more than 30% of income on housing. The cost of living index is 105.0 (100 = national average). The median home was built in 1967.
Safety & Crime
Adelphi reports 0 violent crimes per 100,000 residents
, which is 100% below the national average of 380/100K.
Property crime is 1,826/100K.
Education
27.4% of adults in Adelphi hold a bachelor's degree or higher
(19% below the national average).
72.1% have completed high school. Local schools score 4.5/10 in standardized testing.
Climate & Weather
Adelphi has an average annual temperature of 58°F (15°C).
Winters average 36°F in January while summers reach 80°F in July. The area gets 293 sunny days per year. Annual precipitation totals 45.6 inches. Air quality is rated Good with a median AQI of 41.
Data Overview
People
Population17,210
Median Age32.9 yrs
Density6,327/mi²
Male / Female52% / 48%
Foreign Born13.6%
Veterans3.1%
Economy
B+
Median Income$80,833
Per Capita$32,608
Unemployment4.5%
Poverty11.7%
County GDP$65,163M
Avg Weekly Wage$1,411
Housing
B+
Home Value$401,700
Rent$1,757
Ownership42.7%
Zillow$439,626
Housing Units5,805
Rent Burden34.0%
Crime
C+
Violent0/100K
Property1,826/100K
Health
Obesity41.7%
Diabetes15.5%
Smoking12.8%
Heart Disease6.0%
Premature Death8,436/100K
Climate
Avg Temp58°F
Sunny Days293/yr
Rain45.6 in/yr
AQI41 (Good)
Elevation113 ft
Education
B
Bachelor's+27.4%
High School+72.1%
Graduate+12.5%
School Score4.5/10
Community
2024 VoteR 11% / D 86%
Commute35 min
Broadband91.8%
Internet Speed185 Mbps
EV Stations2
Libraries19
Did You Know?
The median home in Adelphi was built in 1967.
10.5% of residents use public transit to commute.
The nearest airport is Ronald Reagan Washington Ntl (11 miles).
The Gini coefficient (income inequality) is 0.408 (U.S. avg: 0.490).
Natural hazard risk is rated "Relatively Moderate" by FEMA.
6.8% of the population has a disability.
13.6% of residents are foreign-born.
Average internet download speed is 185 Mbps.
There are 1,546 restaurants in the area.
The county recorded 116 fatal vehicle crashes.
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