PlainZIP

Sumner, IA

Single-footprint Census roll-up for Sumner, IA: 1 USPS ZIP, population 3,555. 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 SUMNER-IA · Sumner, IA 1 ZIPs · 3,555 pop · #12065/25278 · Bremer County

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

  • INC-MID $72,794
  • RANK-MID #12065/25278
  • BELOW-PEER under Plainfield
  • BOOK-ONE 1 ZIP
  • OWN-MID 83% owners
  • POP-VILLAGE 3,555
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $174,100

Nearest income peer: Plainfield, IA (+ $7,073 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 Sumner

Lowest/highest poles plus county-sharing cities nearest Sumner 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, Sumner, IA 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
3,555
city population (Census)
1
USPS ZIP codes covered
$72,794
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 50674 (3,555 residents). Household income $72,794 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (82.7%) - check the ZIP page's tenure split before treating Sumner as a pure owner town.

Within Iowa, Waterville is the closest lower-income city and Strawberry Point the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Sumner.

Population concentration

One ZIP, 50674, is all of Sumner

There is no split to weigh here: 50674 holds every one of Sumner's 3,555 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

Mid-pack ZBP load on Sumner's one ZIP

Citywide ZBP: 86 establishments, 1,231 employees , annual payroll $55,898k (~24 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 50674 (86 units) ; leading NAICS Health care and social assistance (13) · also Other services (except public administration) · Retail trade .

View your shortlist →

ZIP Codes in Sumner, IA

These ZIP codes sit in Bremer County, which covers 7 ZIP codes in all; 1 of them fall in Sumner. See the Bremer County roll-up →

Every one of the 6 cities sharing Bremer County reports a higher average ZIP median income than Sumner, Waverly, Denver and Tripoli among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Janesville marks the far end of that range at $104,063, 43% above Sumner.

ZIP Code Population Median income Establishments Density
50674 3,555 $72,794 86 9
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Sumner 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 Sumner, .