Westport, SD

Single-footprint Census roll-up for Westport, SD: 1 USPS ZIP, population 598. 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 WESTPORT-SD · Westport, SD 1 ZIPs · 598 pop · #14033/25278 · Brown County

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

  • INC-MID $68,125
  • RANK-MID #14033/25278
  • PHOTO-FINISH ≈ Aberdeen
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 95% owners
  • POP-VILLAGE 598
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $215,600

Nearest income peer: Aberdeen, SD (+ $710 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 Westport

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

44th pct
household income vs 25,278 US cities
598
city population (Census)
1
USPS ZIP codes covered
$68,125
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.

Below-median income with few delivery areas (1): read cost-of-living from the primary ZIP. Household income $68,125 and poverty 4.8% concentrate in 57481.

Owner-occupancy here runs high (95.0%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within South Dakota, Webster is the closest lower-income city and Meadow the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Westport.

Population concentration

Westport's single ZIP 57481 carries the town

Westport is published as a single USPS ZIP. Code 57481 is the entire residential footprint (598 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

Mid-pack ZBP load on Westport's one ZIP

Citywide ZBP: 11 establishments, 48 employees , annual payroll $3,735k (~18 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 57481 (11 units) ; leading NAICS Construction (3) .

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ZIP Codes in Westport, SD

These ZIP codes sit in Brown County, which covers 13 ZIP codes in all; 1 of them fall in Westport. See the Brown County roll-up →

Westport sits in the lower half of Brown County on income: Groton, Warner and Bath report more, Hecla and Columbia report less. Houghton marks the far end of that range at $150,000, 120% above Westport.

ZIP Code Population Median income Establishments Density
57481 598 $68,125 11 1

Westport 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 Westport, .