PlainZIP

Somersworth, NH

Single-footprint Census roll-up for Somersworth, NH: 1 USPS ZIP, population 11,824. 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 SOMERSWORTH-NH · Somersworth, NH 1 ZIPs · 11,824 pop · #11060/25278 · Strafford County

INC-HIGH · RANK-MID · BELOW-PEER · BOOK-ONE · OWN-LOW · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-HIGH $75,136
  • RANK-MID #11060/25278
  • BELOW-PEER under Rochester
  • BOOK-ONE 1 ZIP
  • OWN-LOW 58% owners
  • POP-TOWN 11,824
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $317,900

Nearest income peer: Rochester, NH (+ $7,714 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 Somersworth

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

Top 44%
household income vs 25,278 US cities
11,824
city population (Census)
1
USPS ZIP codes covered
$75,136
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.

Above-median income on a short ZIP list (1) - lead code 03878 (11,824 residents). Household income $75,136 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy is comparatively low (58.0%) for this income tier, rent $1,479 may matter more than the home-value average.

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

Population concentration

Somersworth reads through its lone ZIP, 03878

11,824 ACS residents, one ZIP: 03878 is not the leading code inside Somersworth, 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 Somersworth's one ZIP

Citywide ZBP: 318 establishments, 5,139 employees , annual payroll $241,871k (~27 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 03878 (318 units) ; leading NAICS Retail trade (76) · also Health care and social assistance · Other services (except public administration) .

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ZIP Codes in Somersworth, NH

These ZIP codes sit in Strafford County, which covers 16 ZIP codes in all; 1 of them fall in Somersworth. See the Strafford County roll-up →

Somersworth sits in the lower half of Strafford County on income: Dover, Rochester and Durham report more, and only Farmington reports less. Madbury marks the far end of that range at $148,365, 97% above Somersworth.

ZIP Code Population Median income Establishments Density
03878 11,824 $75,136 318 456
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Somersworth 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 Somersworth, .