Cabin John, MD

Single-footprint Census roll-up for Cabin John, MD: 1 USPS ZIP, population 1,962. 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 CABIN-JOHN-MD · Cabin John, MD 1 ZIPs · 1,962 pop · #104/25278 · Montgomery County

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

  • INC-TOP $245,982
  • RANK-TOP #104/25278
  • PHOTO-FINISH ≈ Potomac
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 95% owners
  • POP-VILLAGE 1,962
  • SPREAD-UNK Single-ZIP book
  • HOME-TOP $1,335,100

Nearest income peer: Potomac, MD (+ $4,019 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 Cabin John

Lowest/highest poles plus county-sharing cities nearest Cabin John 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, Cabin John, 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
1,962
city population (Census)
1
USPS ZIP codes covered
$245,982
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 $245,982 and home value $1,335,100 should be read as near-neighborhood numbers ; bachelor's attainment averages 86.4%.

Owner-occupancy here runs high (95.3%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Maryland, Clarksville is the closest lower-income city and Barnesville the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Cabin John.

Population concentration

Cabin John's single ZIP 20818 carries the town

Cabin John is published as a single USPS ZIP. Code 20818 is the entire residential footprint (1,962 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 Cabin John's one ZIP

Citywide ZBP: 52 establishments, 500 employees , annual payroll $36,588k (~27 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 20818 (52 units) ; leading NAICS Professional, scientific, and technical services (15) · also Construction · Health care and social assistance .

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ZIP Codes in Cabin John, MD

These ZIP codes sit in Montgomery County, which covers 45 ZIP codes in all; 1 of them fall in Cabin John. See the Montgomery County roll-up →

No other city sharing Montgomery County reports a higher average ZIP median income than Cabin John. Silver Spring, Gaithersburg and Rockville sit below it, so a household comparing this county on income alone starts here. Takoma Park marks the far end of that range at $83,870, 66% below Cabin John.

ZIP Code Population Median income Establishments Density
20818 1,962 $245,982 52 743

Cabin John 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 Cabin John, .