PlainZIP

Southport, ME

Single-footprint Census roll-up for Southport, ME: 1 USPS ZIP, population 604. 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 SOUTHPORT-ME · Southport, ME 1 ZIPs · 604 pop · #6534/25278 · Lincoln County

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

  • INC-HIGH $89,375
  • RANK-UPPER #6534/25278
  • PHOTO-FINISH ≈ Newcastle
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 89% owners
  • POP-VILLAGE 604
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $489,600

Nearest income peer: Newcastle, ME (+ $493 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 Southport

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

Top 26%
household income vs 25,278 US cities
604
city population (Census)
1
USPS ZIP codes covered
$89,375
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 04576 (604 residents). Household income $89,375 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy here runs high (89.3%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Maine, Palermo is the closest lower-income city and Cliff Island the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Southport.

Population concentration

Southport's single ZIP 04576 carries the town

Southport is published as a single USPS ZIP. Code 04576 is the entire residential footprint (604 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Dense ZBP book packed into Southport's one ZIP

Citywide ZBP: 26 establishments, 89 employees , annual payroll $5,791k (~43 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 04576 (26 units) ; leading NAICS Construction (5) · also Accommodation and food services · Professional, scientific, and technical services .

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ZIP Codes in Southport, ME

These ZIP codes sit in Lincoln County, which covers 26 ZIP codes in all; 1 of them fall in Southport. See the Lincoln County roll-up →

Southport sits in the upper half of Lincoln County on income: Waldoboro, Wiscasset and Jefferson report less, while Nobleboro, Edgecomb and Bristol report more. Boothbay Harbor marks the far end of that range at $56,500, 37% below Southport.

ZIP Code Population Median income Establishments Density
04576 604 $89,375 26 46
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Southport 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 Southport, .