Linthicum Heights, MD

Single-footprint Census roll-up for Linthicum Heights, MD: 1 USPS ZIP, population 9,784. 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 LINTHICUM-HEIGHTS-MD · Linthicum Heights, MD 1 ZIPs · 9,784 pop · #1230/25278 · Anne Arundel County

INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-HIGH

  • INC-TOP $138,119
  • RANK-TOP #1230/25278
  • PHOTO-FINISH ≈ Arnold
  • BOOK-ONE 1 ZIP
  • OWN-MID 83% owners
  • POP-TOWN 9,784
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $410,400

Nearest income peer: Arnold, MD (+ $1,313 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 Linthicum Heights

Lowest/highest poles plus county-sharing cities nearest Linthicum Heights 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, Linthicum Heights, MD sits among US cities with a top-decile household income, on a town-scale population base, across a single-ZIP footprint.

Top 5%
household income vs 25,278 US cities
9,784
city population (Census)
1
USPS ZIP codes covered
$138,119
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.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $138,119 and home value $410,400 should be read as near-neighborhood numbers ; bachelor's attainment averages 42.8%.

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

Within Maryland, Churchville is the closest lower-income city and Great Mills the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Linthicum Heights.

Population concentration

Linthicum Heights reads through its lone ZIP, 21090

9,784 ACS residents, one ZIP: 21090 is not the leading code inside Linthicum Heights, 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 Linthicum Heights's one ZIP

Citywide ZBP: 554 establishments, 25,070 employees , annual payroll $2,252,332k (~57 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 21090 (554 units) ; leading NAICS Accommodation and food services (81) · also Professional, scientific, and technical services · Construction .

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ZIP Codes in Linthicum Heights, MD

These ZIP codes sit in Anne Arundel County, which covers 36 ZIP codes in all; 1 of them fall in Linthicum Heights. See the Anne Arundel County roll-up →

Linthicum Heights lands mid-pack among the 11 cities sharing Anne Arundel County: Severna Park, Edgewater and Millersville earn more and Laurel, Annapolis and Glen Burnie earn less. Glen Burnie marks the far end of that range at $96,233, 30% below Linthicum Heights.

ZIP Code Population Median income Establishments Density
21090 9,784 $138,119 554 573

Linthicum Heights 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 Linthicum Heights, .