PlainZIP

Middlefield, CT

Single-footprint Census roll-up for Middlefield, CT: 1 USPS ZIP, population 3,148. 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 MIDDLEFIELD-CT · Middlefield, CT 1 ZIPs · 3,148 pop · #3810/25278 · Middlesex County

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

  • INC-HIGH $104,180
  • RANK-TOP #3810/25278
  • BELOW-PEER under East Haddam
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 95% owners
  • POP-VILLAGE 3,148
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $388,700

Nearest income peer: East Haddam, CT (+ $3,369 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 Middlefield

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

Top 15%
household income vs 25,278 US cities
3,148
city population (Census)
1
USPS ZIP codes covered
$104,180
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 $104,180 and home value $388,700 should be read as near-neighborhood numbers ; bachelor's attainment averages 43.3%.

Owner-occupancy here runs high (95.3%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Connecticut, New Milford is the closest lower-income city and Ivoryton the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Middlefield.

Population concentration

Middlefield reads through its lone ZIP, 06455

3,148 ACS residents, one ZIP: 06455 is not the leading code inside Middlefield, 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 Middlefield's one ZIP

Citywide ZBP: 94 establishments, 1,271 employees , annual payroll $92,619k (~30 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 06455 (94 units) ; leading NAICS Construction (19) · also Manufacturing · Professional, scientific, and technical services .

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ZIP Codes in Middlefield, CT

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

Middlefield sits in the lower half of Middlesex County on income: Cromwell, Clinton and East Hampton report more, Middletown, Westbrook and Deep River report less. Durham marks the far end of that range at $158,857, 52% above Middlefield.

ZIP Code Population Median income Establishments Density
06455 3,148 $104,180 94 112
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Middlefield 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 Middlefield, .