Adelphi vs Seabrook

A side-by-side comparison of Adelphi and Seabrook: population, income, housing, and more.

Adelphi and Seabrook are places in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Seabrook has the higher population (18,495 vs 17,210 in Adelphi). Seabrook has the higher median household income ($96,033 vs $80,833 in Adelphi). Adelphi has the higher median home value ($401,700 vs $377,900 in Seabrook).

Population, income & housing

	Adelphi	Seabrook
Population	17,210	18,495
Median age	32.9 yrs	35.9 yrs
Median household income	$80,833	$96,033
Median home value	$401,700	$377,900
Median gross rent	$1,757	$1,817
Housing units	5,714	6,169
Homeownership rate	42.7%	65.6%
Bachelor's degree or higher	27.4%	34.2%
Unemployment rate	6.0%	6.7%

Trends (ACS 5-year, 2019–2023)

	Adelphi	Seabrook
Population	16,377 → 17,210 (+5.1%)	18,616 → 18,495 (-0.6%)
Median household income	$75,248 → $80,833 (+7.4%)	$75,825 → $96,033 (+26.7%)
Median home value	$313,700 → $401,700 (+28.1%)	$293,600 → $377,900 (+28.7%)
Median gross rent	$1,502 → $1,757 (+17.0%)	$1,685 → $1,817 (+7.8%)

Adelphi

Population

16,37717,210

Median household income

$75,248$80,833

Median home value

$313,700$401,700

Median gross rent

$1,502$1,757

Seabrook

Population

18,61618,495

Median household income

$75,825$96,033

Median home value

$293,600$377,900

Median gross rent

$1,685$1,817

Age & race/ethnicity

Age distribution (share)

	Adelphi	Seabrook
Under 5	6.3%	8.4%
5 to 17	19.0%	18.1%
18 to 24	10.4%	6.9%
25 to 34	16.2%	15.3%
35 to 44	15.0%	14.5%
45 to 54	10.6%	11.1%
55 to 64	11.1%	13.2%
65 to 74	6.6%	9.0%
75 and over	4.9%	3.5%

Race & ethnicity (share)

	Adelphi	Seabrook
White (non-Hispanic)	10.6%	6.6%
Black or African American	29.9%	58.3%
American Indian & Alaska Native	0.0%	0.2%
Asian	7.7%	7.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.3%	0.2%
Two or more races	1.1%	2.8%
Hispanic or Latino	50.4%	24.9%

Educational attainment (age 25+)

Share of adults 25+

	Adelphi	Seabrook
No high school diploma	27.9%	15.8%
High school graduate	24.7%	25.2%
Some college or associate's	20.1%	24.8%
Bachelor's degree	15.1%	21.8%
Graduate or professional degree	12.2%	12.4%

Commute to work

How workers get to work (share)

	Adelphi	Seabrook
Drove alone	53.5%	69.4%
Carpooled	18.3%	9.4%
Public transit	10.5%	5.9%
Walked	3.8%	0.6%
Bicycle	0.3%	0.0%
Worked from home	9.9%	12.9%
Other means	3.7%	1.9%

Housing

Units in structure (share)

	Adelphi	Seabrook
1-unit, detached	32.5%	45.4%
1-unit, attached	2.8%	19.4%
2 to 4 units	1.6%	3.1%
5 to 19 units	30.4%	29.4%
20 or more units	32.1%	2.4%
Mobile home & other	0.6%	0.4%

Poverty & households

	Adelphi	Seabrook
Poverty rate	17.2%	10.4%
Average household size	3.19	3.13
Mean commute (minutes)	35	35
Median year structure built	1967	1970