PlainZIP

South Thomaston, ME

Single-footprint Census roll-up for South Thomaston, ME: 1 USPS ZIP, population 1,533. 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 SOUTH-THOMASTON-ME · South Thomaston, ME 1 ZIPs · 1,533 pop · #7129/25278 · Knox County

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

  • INC-HIGH $87,059
  • RANK-UPPER #7129/25278
  • PHOTO-FINISH ≈ Rockport
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 93% owners
  • POP-VILLAGE 1,533
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $341,300

Nearest income peer: Rockport, ME ( $80 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 South Thomaston

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

Top 28%
household income vs 25,278 US cities
1,533
city population (Census)
1
USPS ZIP codes covered
$87,059
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 04858 (1,533 residents). Household income $87,059 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy here runs high (92.9%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Maine, Searsmont is the closest lower-income city and Owls Head the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for South Thomaston.

Population concentration

South Thomaston's single ZIP 04858 carries the town

South Thomaston is published as a single USPS ZIP. Code 04858 is the entire residential footprint (1,533 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 South Thomaston's one ZIP

Citywide ZBP: 41 establishments, 167 employees , annual payroll $6,635k (~27 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 04858 (41 units) ; leading NAICS Agriculture, forestry, fishing and hunting (13) · also Construction · Professional, scientific, and technical services .

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ZIP Codes in South Thomaston, ME

These ZIP codes sit in Knox County, which covers 19 ZIP codes in all; 1 of them fall in South Thomaston. See the Knox County roll-up →

No other city sharing Knox County reports a higher average ZIP median income than South Thomaston. Rockland, Camden and Warren sit below it, so a household comparing this county on income alone starts here. Rockland marks the far end of that range at $56,533, 35% below South Thomaston.

ZIP Code Population Median income Establishments Density
04858 1,533 $87,059 41 52
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

South Thomaston 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 South Thomaston, .