PlainZIP

Marathon, IA

Single-footprint Census roll-up for Marathon, IA: 1 USPS ZIP, population 468. 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 MARATHON-IA · Marathon, IA 1 ZIPs · 468 pop · #21143/25278 · Buena Vista County

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

  • INC-MID $51,875
  • RANK-BOTTOM #21143/25278
  • BELOW-PEER under Linn Grove
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 89% owners
  • POP-VILLAGE 468
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $59,700

Nearest income peer: Linn Grove, IA (+ $8,750 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 Marathon

Lowest/highest poles plus county-sharing cities nearest Marathon 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, Marathon, IA 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.

16th pct
household income vs 25,278 US cities
468
city population (Census)
1
USPS ZIP codes covered
$51,875
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 ($51,875 average) · poverty 19.7%. The primary code (50565) carries the ACS household fields that matter.

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, Oran is the closest lower-income city and Promise City the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Marathon.

Population concentration

Marathon reads through its lone ZIP, 50565

468 ACS residents, one ZIP: 50565 is not the leading code inside Marathon, 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

Sparse ZBP book inside single-ZIP Marathon

Citywide ZBP: 5 establishments, 12 employees , annual payroll $566k (~11 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 50565 (5 units) .

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ZIP Codes in Marathon, IA

These ZIP codes sit in Buena Vista County, which covers 8 ZIP codes in all; 1 of them fall in Marathon. See the Buena Vista County roll-up →

Every one of the 7 cities sharing Buena Vista County reports a higher average ZIP median income than Marathon, Storm Lake, Alta and Newell among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Albert City marks the far end of that range at $76,397, 47% above Marathon.

ZIP Code Population Median income Establishments Density
50565 468 $51,875 5 4
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Marathon 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 Marathon, .