PlainZIP

Dorchester, IA

Single-footprint Census roll-up for Dorchester, IA: 1 USPS ZIP, population 532. 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 DORCHESTER-IA · Dorchester, IA 1 ZIPs · 532 pop · #12340/25278 · Allamakee County

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

  • INC-MID $72,188
  • RANK-MID #12340/25278
  • PHOTO-FINISH ≈ Waterville
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 90% owners
  • POP-VILLAGE 532
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $208,300

Nearest income peer: Waterville, IA (+ $600 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 Dorchester

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

Top 49%
household income vs 25,278 US cities
532
city population (Census)
1
USPS ZIP codes covered
$72,188
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 52140 (532 residents). Household income $72,188 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy here runs high (89.5%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Iowa, Sloan is the closest lower-income city and Woodburn the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Dorchester.

Population concentration

One ZIP, 52140, is all of Dorchester

There is no split to weigh here: 52140 holds every one of Dorchester's 532 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 Dorchester's one ZIP

Citywide ZBP: 12 establishments, 26 employees , annual payroll $651k (~23 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 52140 (12 units) ; leading NAICS Construction (3) .

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ZIP Codes in Dorchester, IA

These ZIP codes sit in Allamakee County, which covers 7 ZIP codes in all; 1 of them fall in Dorchester. See the Allamakee County roll-up →

Dorchester sits in the upper half of Allamakee County on income: Waukon, Postville and Lansing report less, while New Albin reports more. New Albin marks the far end of that range at $85,204, 18% above Dorchester.

ZIP Code Population Median income Establishments Density
52140 532 $72,188 12 3
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Dorchester 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 Dorchester, .