PlainZIP

Summit, SD

Single-footprint Census roll-up for Summit, SD: 1 USPS ZIP, population 607. 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 SUMMIT-SD · Summit, SD 1 ZIPs · 607 pop · #12221/25278 · Roberts County

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

  • INC-MID $72,500
  • RANK-MID #12221/25278
  • PHOTO-FINISH ≈ Wilmot
  • BOOK-ONE 1 ZIP
  • OWN-MID 74% owners
  • POP-VILLAGE 607
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $162,500

Nearest income peer: Wilmot, SD ( $1,176 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 Summit

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

Top 48%
household income vs 25,278 US cities
607
city population (Census)
1
USPS ZIP codes covered
$72,500
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 57266 (607 residents). Household income $72,500 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (74.3%) - check the ZIP page's tenure split before treating Summit as a pure owner town.

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

Population concentration

One ZIP, 57266, is all of Summit

There is no split to weigh here: 57266 holds every one of Summit's 607 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

Dense ZBP book packed into Summit's one ZIP

Citywide ZBP: 19 establishments, 116 employees , annual payroll $6,323k (~31 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 57266 (19 units) ; leading NAICS Construction (5) · also Retail trade .

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ZIP Codes in Summit, SD

These ZIP codes sit in Roberts County, which covers 9 ZIP codes in all; 1 of them fall in Summit. See the Roberts County roll-up →

Summit sits in the upper half of Roberts County on income: Sisseton, Peever and New Effington report less, while Rosholt and Corona report more. Corona marks the far end of that range at $96,500, 33% above Summit.

ZIP Code Population Median income Establishments Density
57266 607 $72,500 19 2
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Summit 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 Summit, .