PlainZIP

Portsmouth, NH

Single-footprint Census roll-up for Portsmouth, NH: 1 USPS ZIP, population 21,532. 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 PORTSMOUTH-NH · Portsmouth, NH 1 ZIPs · 21,532 pop · #3457/25278 · Rockingham County

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

  • INC-HIGH $106,756
  • RANK-TOP #3457/25278
  • PHOTO-FINISH ≈ Plaistow
  • BOOK-ONE 1 ZIP
  • OWN-LOW 53% owners
  • POP-TOWN 21,532
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $699,900

Nearest income peer: Plaistow, NH (+ $1,561 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 Portsmouth

Lowest/highest poles plus county-sharing cities nearest Portsmouth 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, Portsmouth, NH sits among US cities with an upper-quartile household income, on a town-scale population base, across a single-ZIP footprint.

Top 14%
household income vs 25,278 US cities
21,532
city population (Census)
1
USPS ZIP codes covered
$106,756
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 $106,756 and home value $699,900 should be read as near-neighborhood numbers ; bachelor's attainment averages 63.9%.

Owner-occupancy is comparatively low (53.0%) for this income tier, rent $1,872 may matter more than the home-value average.

Within New Hampshire, Sullivan is the closest lower-income city and New London the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Portsmouth.

Population concentration

Portsmouth reads through its lone ZIP, 03801

21,532 ACS residents, one ZIP: 03801 is not the leading code inside Portsmouth, 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 Portsmouth's one ZIP

Citywide ZBP: 1,956 establishments, 40,621 employees , annual payroll $3,502,687k (~91 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 03801 (1,956 units) ; leading NAICS Retail trade (327) · also Professional, scientific, and technical services · Health care and social assistance .

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ZIP Codes in Portsmouth, NH

These ZIP codes sit in Rockingham County, which covers 36 ZIP codes in all; 1 of them fall in Portsmouth. See the Rockingham County roll-up →

Portsmouth sits in the lower half of Rockingham County on income: Salem, Londonderry and Exeter report more, Hampton, Newmarket and Seabrook report less. Windham marks the far end of that range at $189,583, 78% above Portsmouth.

ZIP Code Population Median income Establishments Density
03801 21,532 $106,756 1,956 350
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Portsmouth 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 Portsmouth, .