PlainZIP

Randallstown, MD

Single-footprint Census roll-up for Randallstown, MD: 1 USPS ZIP, population 29,998. 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 RANDALLSTOWN-MD · Randallstown, MD 1 ZIPs · 29,998 pop · #9075/25278 · Baltimore County

INC-HIGH · RANK-UPPER · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-SMALL · SPREAD-UNK · HOME-MID

  • INC-HIGH $80,480
  • RANK-UPPER #9075/25278
  • PHOTO-FINISH ≈ Middle River
  • BOOK-ONE 1 ZIP
  • OWN-MID 68% owners
  • POP-SMALL 29,998
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $322,800

Nearest income peer: Middle River, MD (+ $1,337 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 Randallstown

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

Top 36%
household income vs 25,278 US cities
29,998
city population (Census)
1
USPS ZIP codes covered
$80,480
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.

Above-median income on a short ZIP list (1) - lead code 21133 (29,998 residents). Household income $80,480 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (68.4%) - check the ZIP page's tenure split before treating Randallstown as a pure owner town.

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

Population concentration

Randallstown's single ZIP 21133 carries the town

Randallstown is published as a single USPS ZIP. Code 21133 is the entire residential footprint (29,998 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Mid-pack ZBP load on Randallstown's one ZIP

Citywide ZBP: 459 establishments, 6,094 employees , annual payroll $312,449k (~15 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 21133 (459 units) ; leading NAICS Health care and social assistance (135) · also Retail trade · Other services (except public administration) .

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ZIP Codes in Randallstown, MD

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

Randallstown sits in the lower half of Baltimore County on income: Baltimore, Parkville and Owings Mills report more, Dundalk, Gwynn Oak and Essex report less. Lutherville Timonium marks the far end of that range at $125,528, 56% above Randallstown.

ZIP Code Population Median income Establishments Density
21133 29,998 $80,480 459 1,139
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Randallstown 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 Randallstown, .