PlainZIP

Ijamsville, MD

Single-footprint Census roll-up for Ijamsville, MD: 1 USPS ZIP, population 6,323. 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 IJAMSVILLE-MD · Ijamsville, MD 1 ZIPs · 6,323 pop · #366/25278 · Frederick County

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

  • INC-TOP $182,188
  • RANK-TOP #366/25278
  • PHOTO-FINISH ≈ Monrovia
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 96% owners
  • POP-TOWN 6,323
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $647,300

Nearest income peer: Monrovia, MD (+ $1,383 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 Ijamsville

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

Top 1%
household income vs 25,278 US cities
6,323
city population (Census)
1
USPS ZIP codes covered
$182,188
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 $182,188 and home value $647,300 should be read as near-neighborhood numbers ; bachelor's attainment averages 57.7%.

Owner-occupancy here runs high (96.2%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Maryland, Saint Inigoes is the closest lower-income city and Monrovia the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Ijamsville.

Population concentration

One ZIP, 21754, is all of Ijamsville

There is no split to weigh here: 21754 holds every one of Ijamsville's 6,323 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Dense ZBP book packed into Ijamsville's one ZIP

Citywide ZBP: 205 establishments, 2,039 employees , annual payroll $103,606k (~32 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 21754 (205 units) ; leading NAICS Construction (44) · also Professional, scientific, and technical services · Health care and social assistance .

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ZIP Codes in Ijamsville, MD

These ZIP codes sit in Frederick County, which covers 28 ZIP codes in all; 1 of them fall in Ijamsville. See the Frederick County roll-up →

No other city sharing Frederick County reports a higher average ZIP median income than Ijamsville. Frederick, Mount Airy and New Market sit below it, so a household comparing this county on income alone starts here. Emmitsburg marks the far end of that range at $95,236, 48% below Ijamsville.

ZIP Code Population Median income Establishments Density
21754 6,323 $182,188 205 103
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Ijamsville 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 Ijamsville, .