PlainZIP

Stonington, CT

Single-footprint Census roll-up for Stonington, CT: 1 USPS ZIP, population 5,399. 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 STONINGTON-CT · Stonington, CT 1 ZIPs · 5,399 pop · #1310/25278 · New London County

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

  • INC-TOP $135,714
  • RANK-TOP #1310/25278
  • PHOTO-FINISH ≈ Mystic
  • BOOK-ONE 1 ZIP
  • OWN-MID 78% owners
  • POP-TOWN 5,399
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $593,400

Nearest income peer: Mystic, CT (+ $1,711 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 Stonington

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

Top 5%
household income vs 25,278 US cities
5,399
city population (Census)
1
USPS ZIP codes covered
$135,714
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 $135,714 and home value $593,400 should be read as near-neighborhood numbers ; bachelor's attainment averages 61.2%.

Owner-occupancy sits in a mixed band (77.8%) - check the ZIP page's tenure split before treating Stonington as a pure owner town.

Within Connecticut, Norwalk is the closest lower-income city and Mystic the closest higher-income city by average ZIP household income. Their 5 and 1 ZIP footprints are the immediate statewide comparison set for Stonington.

Population concentration

Stonington reads through its lone ZIP, 06378

5,399 ACS residents, one ZIP: 06378 is not the leading code inside Stonington, 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 Stonington's one ZIP

Citywide ZBP: 162 establishments, 1,228 employees , annual payroll $77,152k (~30 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 06378 (162 units) ; leading NAICS Retail trade (19) · also Professional, scientific, and technical services · Other services (except public administration) .

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ZIP Codes in Stonington, CT

These ZIP codes sit in New London County, which covers 31 ZIP codes in all; 1 of them fall in Stonington. See the New London County roll-up →

No other city sharing New London County reports a higher average ZIP median income than Stonington. Norwich, Groton and New London sit below it, so a household comparing this county on income alone starts here. New London marks the far end of that range at $59,170, 56% below Stonington.

ZIP Code Population Median income Establishments Density
06378 5,399 $135,714 162 98
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Stonington 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 Stonington, .