PlainZIP

Haddam, CT

Single-footprint Census roll-up for Haddam, CT: 1 USPS ZIP, population 2,550. 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 HADDAM-CT · Haddam, CT 1 ZIPs · 2,550 pop · #2069/25278 · Middlesex County

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

  • INC-TOP $121,429
  • RANK-TOP #2069/25278
  • PHOTO-FINISH ≈ East Hampton
  • BOOK-ONE 1 ZIP
  • OWN-MID 81% owners
  • POP-VILLAGE 2,550
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $362,500

Nearest income peer: East Hampton, CT (+ $2,251 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 Haddam

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

Top 8%
household income vs 25,278 US cities
2,550
city population (Census)
1
USPS ZIP codes covered
$121,429
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 $121,429 and home value $362,500 should be read as near-neighborhood numbers ; bachelor's attainment averages 53.8%.

Owner-occupancy sits in a mixed band (81.1%) - check the ZIP page's tenure split before treating Haddam as a pure owner town.

Within Connecticut, Washington is the closest lower-income city and Cornwall Bridge the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Haddam.

Population concentration

Haddam reads through its lone ZIP, 06438

2,550 ACS residents, one ZIP: 06438 is not the leading code inside Haddam, 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

Mid-pack ZBP load on Haddam's one ZIP

Citywide ZBP: 58 establishments, 429 employees , annual payroll $16,300k (~23 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 06438 (58 units) ; leading NAICS Retail trade (11) · also Other services (except public administration) · Accommodation and food services .

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ZIP Codes in Haddam, CT

These ZIP codes sit in Middlesex County, which covers 22 ZIP codes in all; 1 of them fall in Haddam. See the Middlesex County roll-up →

Haddam sits in the upper half of Middlesex County on income: Middletown, Cromwell and Old Saybrook report less, while Clinton, Durham and Killingworth report more. Middletown marks the far end of that range at $79,463, 35% below Haddam.

ZIP Code Population Median income Establishments Density
06438 2,550 $121,429 58 80
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Haddam 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 Haddam, .