PlainZIP

Winthrop, ME

Single-footprint Census roll-up for Winthrop, ME: 1 USPS ZIP, population 6,025. 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 WINTHROP-ME · Winthrop, ME 1 ZIPs · 6,025 pop · #7288/25278 · Kennebec County

INC-HIGH · RANK-UPPER · PHOTO-FINISH · BOOK-ONE · OWN-HIGH · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-HIGH $86,470
  • RANK-UPPER #7288/25278
  • PHOTO-FINISH ≈ Readfield
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 93% owners
  • POP-TOWN 6,025
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $294,800

Nearest income peer: Readfield, ME (+ $34 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 Winthrop

Lowest/highest poles plus county-sharing cities nearest Winthrop 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, Winthrop, ME sits among US cities with an above-median household income, on a town-scale population base, across a single-ZIP footprint.

Top 29%
household income vs 25,278 US cities
6,025
city population (Census)
1
USPS ZIP codes covered
$86,470
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.

Above-median income on a short ZIP list (1) - lead code 04364 (6,025 residents). Household income $86,470 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy here runs high (92.5%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Maine, Winter Harbor is the closest lower-income city and Readfield the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Winthrop.

Population concentration

Winthrop reads through its lone ZIP, 04364

6,025 ACS residents, one ZIP: 04364 is not the leading code inside Winthrop, 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 Winthrop's one ZIP

Citywide ZBP: 163 establishments, 1,980 employees , annual payroll $79,230k (~27 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 04364 (163 units) ; leading NAICS Construction (24) · also Health care and social assistance · Retail trade .

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ZIP Codes in Winthrop, ME

These ZIP codes sit in Kennebec County, which covers 28 ZIP codes in all; 1 of them fall in Winthrop. See the Kennebec County roll-up →

Winthrop sits in the upper half of Kennebec County on income: Waterville, Augusta and Gardiner report less, while South China reports more. Augusta marks the far end of that range at $54,775, 37% below Winthrop.

ZIP Code Population Median income Establishments Density
04364 6,025 $86,470 163 76
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Winthrop 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 Winthrop, .