PlainZIP

Keswick, IA

Single-footprint Census roll-up for Keswick, IA: 1 USPS ZIP, population 445. 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 KESWICK-IA · Keswick, IA 1 ZIPs · 445 pop · #10867/25278 · Keokuk County

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

  • INC-HIGH $75,625
  • RANK-MID #10867/25278
  • PHOTO-FINISH ≈ Keota
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 89% owners
  • POP-VILLAGE 445
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $97,800

Nearest income peer: Keota, IA (+ $1,549 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 Keswick

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

Top 43%
household income vs 25,278 US cities
445
city population (Census)
1
USPS ZIP codes covered
$75,625
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 50136 (445 residents). Household income $75,625 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy here runs high (89.0%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

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

Population concentration

Keswick reads through its lone ZIP, 50136

445 ACS residents, one ZIP: 50136 is not the leading code inside Keswick, 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

Dense ZBP book packed into Keswick's one ZIP

Citywide ZBP: 11 establishments, 41 employees , annual payroll $1,812k (~25 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 50136 (11 units) ; leading NAICS Construction (3) .

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ZIP Codes in Keswick, IA

These ZIP codes sit in Keokuk County, which covers 12 ZIP codes in all; 1 of them fall in Keswick. See the Keokuk County roll-up →

Keswick sits in the upper half of Keokuk County on income: Sigourney, What Cheer and South English report less, while Hedrick and Harper report more. Thornburg marks the far end of that range at $39,722, 47% below Keswick.

ZIP Code Population Median income Establishments Density
50136 445 $75,625 11 4
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Keswick 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 Keswick, .