PlainZIP

Portland, CT

Single-footprint Census roll-up for Portland, CT: 1 USPS ZIP, population 9,508. 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 PORTLAND-CT · Portland, CT 1 ZIPs · 9,508 pop · #2278/25278 · Middlesex County

INC-TOP · RANK-TOP · ABOVE-PEER · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-TOP $118,929
  • RANK-TOP #2278/25278
  • ABOVE-PEER over Old Saybrook
  • BOOK-ONE 1 ZIP
  • OWN-MID 84% owners
  • POP-TOWN 9,508
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $337,400

Nearest income peer: Old Saybrook, CT ( $4,596 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 Portland

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

Top 9%
household income vs 25,278 US cities
9,508
city population (Census)
1
USPS ZIP codes covered
$118,929
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 $118,929 and home value $337,400 should be read as near-neighborhood numbers ; bachelor's attainment averages 52.1%.

Owner-occupancy sits in a mixed band (83.9%) - check the ZIP page's tenure split before treating Portland as a pure owner town.

Within Connecticut, Milford is the closest lower-income city and East Granby the closest higher-income city by average ZIP household income. Their 2 and 1 ZIP footprints are the immediate statewide comparison set for Portland.

Population concentration

One ZIP, 06480, is all of Portland

There is no split to weigh here: 06480 holds every one of Portland's 9,508 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Mid-pack ZBP load on Portland's one ZIP

Citywide ZBP: 209 establishments, 1,906 employees , annual payroll $106,319k (~22 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 06480 (209 units) ; leading NAICS Retail trade (42) · also Construction · Health care and social assistance .

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ZIP Codes in Portland, CT

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

Portland sits in the upper half of Middlesex County on income: Middletown, Cromwell and Old Saybrook report less, while Clinton, East Hampton and Durham report more. Durham marks the far end of that range at $158,857, 34% above Portland.

ZIP Code Population Median income Establishments Density
06480 9,508 $118,929 209 157
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Portland 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 Portland, .