PlainZIP

South Lyme, CT

Single-footprint Census roll-up for South Lyme, CT: 1 USPS ZIP, population 57. 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 SOUTH-LYME-CT · South Lyme, CT 1 ZIPs · 57 pop · #724/25278 · New London County

INC-TOP · RANK-TOP · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-HIGH

  • INC-TOP $156,000
  • RANK-TOP #724/25278
  • ABOVE-PEER over Mystic
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 100% owners
  • POP-VILLAGE 57
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $444,400

Nearest income peer: Mystic, CT ( $18,575 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 South Lyme

Lowest/highest poles plus county-sharing cities nearest South Lyme 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, South Lyme, CT 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
57
city population (Census)
1
USPS ZIP codes covered
$156,000
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 $156,000 and home value $444,400 should be read as near-neighborhood numbers ; bachelor's attainment averages 29.0%.

Owner-occupancy here runs high (100.0%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Connecticut, Avon is the closest lower-income city and Monroe the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for South Lyme.

Population concentration

South Lyme's single ZIP 06376 carries the town

South Lyme is published as a single USPS ZIP. Code 06376 is the entire residential footprint (57 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

No ZBP establishments filed for South Lyme's ZIPs

Census County Business Patterns has no establishment rows joined to the ACS ZIPs mapped to South Lyme. Read demography on this page; business counts are absent for this footprint.

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ZIP Codes in South Lyme, CT

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

No other city sharing New London County reports a higher average ZIP median income than South Lyme. 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, 62% below South Lyme.

ZIP Code Population Median income Establishments Density
06376 57 $156,000 n/a 220
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

South Lyme 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 South Lyme, .