PlainZIP

Glenwood, MD

Single-footprint Census roll-up for Glenwood, MD: 1 USPS ZIP, population 3,268. 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 GLENWOOD-MD · Glenwood, MD 1 ZIPs · 3,268 pop · #96/25278 · Howard County

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

  • INC-TOP $250,001
  • RANK-TOP #96/25278
  • PHOTO-FINISH ≈ Fulton
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 98% owners
  • POP-VILLAGE 3,268
  • SPREAD-UNK Single-ZIP book
  • HOME-TOP $914,300

Nearest income peer: Fulton, MD (+ $0 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 Glenwood

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

Top 1%
household income vs 25,278 US cities
3,268
city population (Census)
1
USPS ZIP codes covered
$250,000+
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 $250,000+ and home value $914,300 should be read as near-neighborhood numbers ; bachelor's attainment averages 76.2%.

Owner-occupancy here runs high (98.2%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Maryland, Cabin John is the closest lower-income city by average ZIP household income. Its 1 ZIP footprint is the immediate statewide comparison for Glenwood.

Population concentration

Glenwood's single ZIP 21738 carries the town

Glenwood is published as a single USPS ZIP. Code 21738 is the entire residential footprint (3,268 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

Dense ZBP book packed into Glenwood's one ZIP

Citywide ZBP: 91 establishments, 729 employees , annual payroll $55,281k (~28 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 21738 (91 units) ; leading NAICS Professional, scientific, and technical services (27) · also Construction · Other services (except public administration) .

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ZIP Codes in Glenwood, MD

These ZIP codes sit in Howard County, which covers 20 ZIP codes in all; 1 of them fall in Glenwood. See the Howard County roll-up →

No other city sharing Howard County reports a higher average ZIP median income than Glenwood. Laurel, Columbia and Ellicott City sit below it, so a household comparing this county on income alone starts here. Savage marks the far end of that range at $76,842, 69% below Glenwood.

ZIP Code Population Median income Establishments Density
21738 3,268 $250,000+ 91 174
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Glenwood 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 Glenwood, .