PlainZIP

Flagtown, NJ

Single-footprint Census roll-up for Flagtown, NJ: 1 USPS ZIP, population 354. 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 FLAGTOWN-NJ · Flagtown, NJ 1 ZIPs · 354 pop · #729/25278 · Somerset County

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

  • INC-TOP $155,833
  • RANK-TOP #729/25278
  • PHOTO-FINISH ≈ Hillsborough
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 87% owners
  • POP-VILLAGE 354
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $443,300

Nearest income peer: Hillsborough, NJ ( $2,277 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 Flagtown

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

Top 3%
household income vs 25,278 US cities
354
city population (Census)
1
USPS ZIP codes covered
$155,833
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 $155,833 and home value $443,300 should be read as near-neighborhood numbers ; bachelor's attainment averages 35.1%.

Owner-occupancy here runs high (87.0%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within New Jersey, Medford is the closest lower-income city and Springfield the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Flagtown.

Population concentration

Flagtown's single ZIP 08821 carries the town

Flagtown is published as a single USPS ZIP. Code 08821 is the entire residential footprint (354 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 Flagtown's one ZIP

Citywide ZBP: 9 establishments, 53 employees , annual payroll $3,288k (~25 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 08821 (9 units) .

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ZIP Codes in Flagtown, NJ

These ZIP codes sit in Somerset County, which covers 26 ZIP codes in all; 1 of them fall in Flagtown. See the Somerset County roll-up →

Flagtown lands mid-pack among the 12 cities sharing Somerset County: Bridgewater, Basking Ridge and Warren earn more and Somerset, Somerville and Bound Brook earn less. Bernardsville marks the far end of that range at $236,042, 51% above Flagtown.

ZIP Code Population Median income Establishments Density
08821 354 $155,833 9 457
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Flagtown 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 Flagtown, .