PlainZIP

Deal Island, MD

Single-footprint Census roll-up for Deal Island, MD: 1 USPS ZIP, population 991. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet DEAL-ISLAND-MD · Deal Island, MD 1 ZIPs · 991 pop · #17734/25278 · Somerset County

INC-MID · RANK-LOWER · ABOVE-PEER · BOOK-ONE · OWN-MID · POP-VILLAGE · SPREAD-UNK · HOME-LOW

  • INC-MID $60,341
  • RANK-LOWER #17734/25278
  • ABOVE-PEER over Crisfield
  • BOOK-ONE 1 ZIP
  • OWN-MID 83% owners
  • POP-VILLAGE 991
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $188,200

Nearest income peer: Crisfield, MD ( $4,621 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Deal Island

Lowest/highest poles plus county-sharing cities nearest Deal Island on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Deal Island, MD sits among US cities with a below-median household income, on a village-scale population base, across a single-ZIP footprint.

30th pct
household income vs 25,278 US cities
991
city population (Census)
1
USPS ZIP codes covered
$60,341
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Below-median income with few delivery areas (1): read cost-of-living from the primary ZIP. Household income $60,341 and poverty 19.2% concentrate in 21821.

Owner-occupancy sits in a mixed band (83.2%) - check the ZIP page's tenure split before treating Deal Island as a pure owner town.

Within Maryland, Mount Savage is the closest lower-income city and Hancock the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Deal Island.

Population concentration

Deal Island reads through its lone ZIP, 21821

991 ACS residents, one ZIP: 21821 is not the leading code inside Deal Island, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Sparse ZBP book inside single-ZIP Deal Island

Citywide ZBP: 7 establishments, 70 employees , annual payroll $6,111k (~7 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 21821 (7 units) .

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ZIP Codes in Deal Island, MD

These ZIP codes sit in Somerset County, which covers 9 ZIP codes in all; 1 of them fall in Deal Island. See the Somerset County roll-up →

Deal Island sits in the lower half of Somerset County on income: Princess Anne, Marion Station and Ewell report more, Westover and Crisfield report less. Tylerton marks the far end of that range at $95,250, 58% above Deal Island.

ZIP Code Population Median income Establishments Density
21821 991 $60,341 7 35
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Deal Island roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Deal Island, .