PlainZIP

Old Lyme, CT

Single-footprint Census roll-up for Old Lyme, CT: 1 USPS ZIP, population 9,952. 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 OLD-LYME-CT · Old Lyme, CT 1 ZIPs · 9,952 pop · #1484/25278 · New London County

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

  • INC-TOP $132,045
  • RANK-TOP #1484/25278
  • BELOW-PEER under Mystic
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 89% owners
  • POP-TOWN 9,952
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $499,400

Nearest income peer: Mystic, CT (+ $5,380 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 Old Lyme

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

Top 6%
household income vs 25,278 US cities
9,952
city population (Census)
1
USPS ZIP codes covered
$132,045
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 $132,045 and home value $499,400 should be read as near-neighborhood numbers ; bachelor's attainment averages 58.4%.

Owner-occupancy here runs high (89.1%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Connecticut, Woodbury is the closest lower-income city and North Haven the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Old Lyme.

Population concentration

Old Lyme reads through its lone ZIP, 06371

9,952 ACS residents, one ZIP: 06371 is not the leading code inside Old Lyme, 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 Old Lyme's one ZIP

Citywide ZBP: 255 establishments, 1,809 employees , annual payroll $114,105k (~26 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 06371 (255 units) ; leading NAICS Professional, scientific, and technical services (46) · also Construction · Administrative and support and waste management and remediation services .

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ZIP Codes in Old Lyme, CT

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

Old Lyme sits in the upper half of New London County on income: Norwich, Groton and New London report less, while Mystic reports more. New London marks the far end of that range at $59,170, 55% below Old Lyme.

ZIP Code Population Median income Establishments Density
06371 9,952 $132,045 255 70
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Old 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 Old Lyme, .