PlainZIP

Twin Brooks, SD

Single-footprint Census roll-up for Twin Brooks, SD: 1 USPS ZIP, population 413. 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 TWIN-BROOKS-SD · Twin Brooks, SD 1 ZIPs · 413 pop · #4712/25278 · Grant County

INC-HIGH · RANK-TOP · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-HIGH

  • INC-HIGH $98,333
  • RANK-TOP #4712/25278
  • ABOVE-PEER over Big Stone City
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 96% owners
  • POP-VILLAGE 413
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $410,600

Nearest income peer: Big Stone City, SD ( $10,130 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 Twin Brooks

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

Top 19%
household income vs 25,278 US cities
413
city population (Census)
1
USPS ZIP codes covered
$98,333
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.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $98,333 and home value $410,600 should be read as near-neighborhood numbers ; bachelor's attainment averages 54.7%.

Owner-occupancy here runs high (96.1%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within South Dakota, Keystone is the closest lower-income city and Humboldt the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Twin Brooks.

Population concentration

Twin Brooks's single ZIP 57269 carries the town

Twin Brooks is published as a single USPS ZIP. Code 57269 is the entire residential footprint (413 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

Sparse ZBP book inside single-ZIP Twin Brooks

Citywide ZBP: 6 establishments, 16 employees , annual payroll $713k (~15 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 57269 (6 units) ; leading NAICS Construction (3) .

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ZIP Codes in Twin Brooks, SD

These ZIP codes sit in Grant County, which covers 8 ZIP codes in all; 1 of them fall in Twin Brooks. See the Grant County roll-up →

No other city sharing Grant County reports a higher average ZIP median income than Twin Brooks. Milbank, Big Stone City and Revillo sit below it, so a household comparing this county on income alone starts here. Strandburg marks the far end of that range at $69,519, 29% below Twin Brooks.

ZIP Code Population Median income Establishments Density
57269 413 $98,333 6 2
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Twin Brooks 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 Twin Brooks, .