PlainZIP

Dundalk, MD

Single-footprint Census roll-up for Dundalk, MD: 1 USPS ZIP, population 55,786. 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 DUNDALK-MD · Dundalk, MD 1 ZIPs · 55,786 pop · #15810/25278 · Baltimore County

INC-MID · RANK-LOWER · BELOW-PEER · BOOK-ONE · OWN-LOW · POP-SMALL · SPREAD-UNK · HOME-MID

  • INC-MID $64,141
  • RANK-LOWER #15810/25278
  • BELOW-PEER under Gwynn Oak
  • BOOK-ONE 1 ZIP
  • OWN-LOW 65% owners
  • POP-SMALL 55,786
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $215,900

Nearest income peer: Gwynn Oak, MD (+ $2,919 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 Dundalk

Lowest/highest poles plus county-sharing cities nearest Dundalk 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, Dundalk, MD sits among US cities with a below-median household income, on a small-city population base, across a single-ZIP footprint.

37th pct
household income vs 25,278 US cities
55,786
city population (Census)
1
USPS ZIP codes covered
$64,141
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 $64,141 and poverty 17.0% concentrate in 21222.

Owner-occupancy is comparatively low (64.9%) for this income tier, rent $1,444 may matter more than the home-value average.

Within Maryland, Still Pond is the closest lower-income city and Barton the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Dundalk.

Population concentration

Dundalk reads through its lone ZIP, 21222

55,786 ACS residents, one ZIP: 21222 is not the leading code inside Dundalk, 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 Dundalk

Citywide ZBP: 767 establishments, 10,114 employees , annual payroll $526,286k (~14 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 21222 (767 units) ; leading NAICS Retail trade (130) · also Construction · Other services (except public administration) .

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ZIP Codes in Dundalk, MD

These ZIP codes sit in Baltimore County, which covers 41 ZIP codes in all; 1 of them fall in Dundalk. See the Baltimore County roll-up →

Every one of the 12 cities sharing Baltimore County reports a higher average ZIP median income than Dundalk, Baltimore, Parkville and Owings Mills among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Lutherville Timonium marks the far end of that range at $125,528, 96% above Dundalk.

ZIP Code Population Median income Establishments Density
21222 55,786 $64,141 767 1,965
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Dundalk 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 Dundalk, .