Seabrook, Maryland Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Seabrook, Maryland is 18,495 as of the 2023 American Community Survey, making it the 75th-largest city in Maryland. The median household income is $96,033, the median home value is $377,900, and the median age is 35.9.
18,495
Population
6015
People / sq mi
$96,033
Median Income
$377,900
Median Home Value
Seabrook covers 3.1 sq mi of land at 6015 people per square mile.
About Seabrook, MD
Seabrook is a city in Maryland with a population of 18,495. It ranks #75 among cities in Maryland by population. The median age is 35.9, younger than the national median. The population is 45.9% male and 54.1% female.
The median household income in Seabrook is $96,033, above the US median of $74,580. 8.0% of residents live below the federal poverty level. Home values sit at a median of $377,900, with monthly rent averaging $1,817. The homeownership rate of 65.6% is close to the national rate of 64.8%.
Educational attainment in Seabrook reflects 34.2% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 12.9% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 35.3 minutes each way.
Race & Ethnicity
| White | 7.7% |
| Black or African American | 59.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.2% |
| Two or More Races | 0.0% |
Economy & Income
$96,033
Median Household Income
$37,244
Per Capita Income
8.0%
Poverty Rate
4.8%
Unemployment Rate
Housing
$377,900
Median Home Value
$1,817
Median Rent
65.6%
Owner-Occupied
Education
84.2%
High School+
34.2%
Bachelor's+
Commute
5.9%
Drive Alone
69.4%
Public Transit
12.9%
Work From Home
35.3 min
Avg Commute
Community Profile
32.8%
Foreign Born
56.9%
Non-English at Home
3.2%
Veterans
10.7%
With Disability
90.8%
Health Insurance
98.1%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 28.2% |
| Finance, Insurance & Real Estate | 13.8% |
| Construction | 10.8% |
| Public Administration | 9.3% |
| Education, Health Care & Social Services | 6.3% |
| Retail Trade | 6.2% |
| Information | 4.7% |
| Arts, Entertainment & Food Services | 3.3% |
| Manufacturing | 3.1% |
| Agriculture & Mining | 0.6% |
| Transportation & Warehousing | 0.4% |
Largest cities in Maryland
Largest counties in Maryland
Part of Maryland
Metro areas in Maryland
City rankings
Frequently Asked Questions
Seabrook, Maryland has a population of 18,495 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 75th-largest city in Maryland.
The median household income in Seabrook, Maryland is $96,033, with 8.0% of residents living below the federal poverty level.
The median home value in Seabrook, Maryland is $377,900, with median monthly rent at $1,817 and a homeownership rate of 65.6%.
The median age in Seabrook, Maryland is 35.9 years. The population is 45.9% male and 54.1% female.
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Full rankings of Maryland cities by population
Statewide data for Maryland
Population, race, income, age, and trends across Maryland
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.