PlainZIP

Cambridge, MD

Single-footprint Census roll-up for Cambridge, MD: 1 USPS ZIP, population 17,330. 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 CAMBRIDGE-MD · Cambridge, MD 1 ZIPs · 17,330 pop · #20405/25278 · Dorchester County

INC-MID · RANK-BOTTOM · ABOVE-PEER · BOOK-ONE · OWN-LOW · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-MID $53,890
  • RANK-BOTTOM #20405/25278
  • ABOVE-PEER over Linkwood
  • BOOK-ONE 1 ZIP
  • OWN-LOW 52% owners
  • POP-TOWN 17,330
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $283,900

Nearest income peer: Linkwood, MD ( $6,807 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 Cambridge

Lowest/highest poles plus county-sharing cities nearest Cambridge 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, Cambridge, MD sits among US cities with one of the lowest household incomes among US cities, on a town-scale population base, across a single-ZIP footprint.

19th pct
household income vs 25,278 US cities
17,330
city population (Census)
1
USPS ZIP codes covered
$53,890
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.

Lower-income footing on only 1 ZIP ($53,890 average) · poverty 22.0%. The primary code (21613) carries the ACS household fields that matter.

Owner-occupancy is comparatively low (51.6%) for this income tier, rent $1,042 may matter more than the home-value average.

Within Maryland, Henderson is the closest lower-income city and Brooklyn the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Cambridge.

Population concentration

Cambridge reads through its lone ZIP, 21613

17,330 ACS residents, one ZIP: 21613 is not the leading code inside Cambridge, 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

Dense ZBP book packed into Cambridge's one ZIP

Citywide ZBP: 484 establishments, 6,175 employees , annual payroll $309,734k (~28 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 21613 (484 units) ; leading NAICS Retail trade (69) · also Health care and social assistance · Other services (except public administration) .

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ZIP Codes in Cambridge, MD

These ZIP codes sit in Dorchester County, which covers 16 ZIP codes in all; 1 of them fall in Cambridge. See the Dorchester County roll-up →

Cambridge sits in the lower half of Dorchester County on income: Hurlock, East New Market and Rhodesdale report more, and only Linkwood reports less. Taylors Island marks the far end of that range at $116,500, 116% above Cambridge.

ZIP Code Population Median income Establishments Density
21613 17,330 $53,890 484 43
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Cambridge 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 Cambridge, .