PlainZIP

Seneca, SD

Single-footprint Census roll-up for Seneca, SD: 1 USPS ZIP, population 161. 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 SENECA-SD · Seneca, SD 1 ZIPs · 161 pop · #25087/25278 · Faulk County

INC-LOW · RANK-BOTTOM · BELOW-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-LOW

  • INC-LOW $23,750
  • RANK-BOTTOM #25087/25278
  • BELOW-PEER under Onaka
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 96% owners
  • POP-VILLAGE 161
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $177,600

Nearest income peer: Onaka, SD (+ $27,422 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 Seneca

Lowest/highest poles plus county-sharing cities nearest Seneca 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, Seneca, SD sits among US cities with one of the lowest household incomes among US cities, on a village-scale population base, across a single-ZIP footprint.

1st pct
household income vs 25,278 US cities
161
city population (Census)
1
USPS ZIP codes covered
$23,750
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.

Lower-income footing on only 1 ZIP ($23,750 average) · poverty 63.0%. The primary code (57473) carries the ACS household fields that matter.

Owner-occupancy here runs high (95.6%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

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

Population concentration

Seneca reads through its lone ZIP, 57473

161 ACS residents, one ZIP: 57473 is not the leading code inside Seneca, 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

Mid-pack ZBP load on Seneca's one ZIP

Citywide ZBP: 3 establishments, 2 employees , annual payroll $70k (~19 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 57473 (3 units) .

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ZIP Codes in Seneca, SD

These ZIP codes sit in Faulk County, which covers 6 ZIP codes in all; 1 of them fall in Seneca. See the Faulk County roll-up →

Every one of the 5 cities sharing Faulk County reports a higher average ZIP median income than Seneca, Faulkton, Mansfield and Cresbard among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Mansfield marks the far end of that range at $139,500, 487% above Seneca.

ZIP Code Population Median income Establishments Density
57473 161 $23,750 3 0
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Seneca 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 Seneca, .