
Maryland · Census place 22100
Deal Island, MD population, income and ZIP codes
Quick answer
The population of the city of Deal Island, Maryland (Deal Island, MD — Census place “Deal Island CDP”) is 311 residents, ranking #420 of 536 places in Maryland. Median household income is $28,125, the median home is worth $129,000 and median gross rent runs — a month. Looking for the Deal Island Maryland ZIP code list? 1 ZIP codes serve Deal Island, MD: 21821.
- Population
- 311Deal Island CDP residents
- Median household income
- $28,125Past 12 months, inflation adjusted
- Median home value
- $129,000Owner-occupied units
- Median gross rent
- —Rent plus utilities, monthly
- Median age
- 62.7 yrsAll residents
- Homeownership rate
- 85.4%Owner-occupied households
Deal Island ZIP codes (Maryland)
Census ZCTAs whose delivery area overlaps Deal Island.
The Deal Island MD ZIP code list below covers 1 ZIP code. Open any one for its population, income, housing and rent profile.
What the numbers mean in Deal Island CDP
Housing cost measured against local earnings.
The median home costs 4.6× the median household income; nationally that ratio sits near 4.5×. Poverty affects 30% of residents and 85.4% of households own their home.
Source: US Census Bureau, ACS 2019-2023 5-year estimates · rates as published for 2019-2023 ACS 5-year
Deal Island CDP, MD in context
How this area compares with national benchmarks.
Deal Island CDP is a very small community in Maryland, with 311 residents counted in the Census American Community Survey 2019-2023 ACS 5-year estimates, which places it #420 of 536 ranked by population — larger than 21% of them. The median age here is 62.7 years against 39.1 nationally, a markedly older profile that usually tracks retirees staying put and younger households leaving for work. At this population the ACS sample is small, so the margin of error around every dollar figure below is wide — treat the numbers as a band, not a point, and expect them to move between annual releases without the place itself changing.
Households in Deal Island CDP earn a median of $28,125 a year, 64.2% below the national figure of $78,538 and 74% below the $109,026 median for the 332 Maryland cities we cover. The median is the midpoint household, not an average, so a handful of very high earners cannot drag it upward the way they distort a mean. Poverty reaches 30% of residents here, well above the 12.4% national rate, which is the single clearest signal in this dataset that median income here is carried by a narrow band of households.
The typical owner-occupied home in Deal Island CDP is valued at $129,000, 57.5% below the national figure and 68% below the $397,200 peer median, while median gross rent runs not published a month. The home-price-to-income ratio works out to 4.6×, against roughly 3.9× nationally, so buying is harder here than in the average US market. 85.4% of occupied homes are owner-occupied versus 65% nationally, an owner-dominated market where rental listings are scarce and rent medians rest on a thin sample. Gross rent folds in the utilities a tenant pays separately, so it is closer to the real monthly outlay than a headline rent figure.
A median age of 62.7 puts Deal Island CDP well into retirement-weighted territory, which pulls median household income down even where household wealth is high, because retirement draws are counted differently from wages. With 311 residents, a handful of survey responses moves every median on this page. Compare Deal Island CDP against its county rather than against national figures.
The Census withheld gross rent for Deal Island CDP because the sample was too thin to publish at this geography. Those values were suppressed at the source, not lost in our dataset, and we do not model a replacement. Everything else on this page comes straight from the ACS 2019-2023 ACS 5-year tables.
Compare with nearby places
Places of similar size in Maryland.
- Martin's Additions village 1,019
- Somerset town 1,020
- Algonquin CDP 1,027
- Morningside town 1,031
- Church Hill town 1,052
- Highfield-Cascade CDP 1,079
- Callaway CDP 1,087
- Chevy Chase View town 1,092
Keep going
More Maryland coverage.
Frequently asked questions
Common questions about this area.
- What is the population of Deal Island CDP?
- Deal Island CDP has 311 residents on Census ACS 2019-2023 ACS 5-year estimates, ranking #420 of 536 in Maryland.
- What is the median household income in Deal Island CDP?
- Median household income in Deal Island CDP is $28,125 a year, 64.2% below the national figure of $78,538.
- How much does it cost to rent or buy in Deal Island CDP?
- Median gross rent is not published a month and the median home value is $129,000.
- Is Deal Island CDP affordable compared with the rest of the US?
- Homes cost about 4.6× the local median income here versus roughly 3.9× nationally, so Deal Island CDP is less affordable to buy in than the typical US market.
- How current is this Deal Island CDP data?
- All figures come from the US Census Bureau American Community Survey 2019-2023 ACS 5-year five-year estimates. At this population the ACS sample is small, so the margin of error around every dollar figure below is wide — treat the numbers as a band, not a point, and expect them to move between annual releases without the place itself changing.